81164674080

Names of 81164674080

• Cardinal: 81164674080 can be written as Eighty-one billion, one hundred sixty-four million, six hundred seventy-four thousand and eighty.

Scientific notation

• Scientific notation: 8.116467408 × 10¹⁰

Factors of 81164674080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 338

Divisors of 81164674080

• Number of divisors d(n): 1152
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 37 40 42 43 45 48 49 54 56 60 63 70 72 74 80 84 86 90 96 98 105 108 111 112 120 126 129 135 140 144 147 148 160 168 172 180 185 189 196 210 215 216 222 224 240 241 245 252 258 259 270 280 288 294 296 301 315 333 336 344 360 370 378 387 392 420 430 432 441 444 480 482 490 504 516 518 540 555 560 588 592 602 630 645 666 672 688 720 723 735 740 756 774 777 784 840 860 864 882 888 903 945 964 980 999 1008 1032 1036 1080 1110 1120 1161 1176 1184 1204 1205 1260 1290 1295 1323 1332 1376 1440 1446 1470 1480 1505 1512 1548 1554 1568 1591 1665 1680 1687 1720 1764 1776 1806 1813 1890 1928 1935 1960 1998 2016 2064 2072 2107 2160 2169 2205 2220 2322 2331 2352 2408 2410 2520 2580 2590 2646 2664 2709 2892 2940 2960 3010 3024 3096 3108 3182 3330 3360 3374 3440 3528 3552 3612 3615 3626 3780 3856 3870 3885 3920 3996 4128 4144 4214 4320 4338 4410 4440 4515 4644 4662 4704 4773 4816 4820 4995 5040 5061 5160 5180 5292 5328 5418 5439 5784 5805 5880 5920 6020 6048 6192 6216 6321 6364 6507 6615 6660 6748 6880 6993 7056 7224 7230 7252 7560 7712 7740 7770 7840 7955 7992 8127 8288 8428 8435 8676 8820 8880 8917 9030 9065 9288 9324 9546 9632 9640 9990 10080 10122 10320 10360 10363 10535 10584 10656 10836 10845 10878 11137 11568 11610 11655 11760 11809 12040 12384 12432 12642 12728 13014 13230 13320 13496 13545 13986 14112 14319 14448 14460 14504 15120 15183 15480 15540 15910 15984 16254 16317 16856 16870 17352 17640 17760 17834 18060 18130 18576 18648 18963 19092 19280 19980 20244 20640 20720 20726 21070 21168 21672 21690 21756 22274 23136 23220 23310 23520 23618 23865 24080 24864 25284 25305 25456 26028 26460 26640 26751 26992 27090 27195 27972 28638 28896 28920 29008 30240 30366 30960 31080 31089 31605 31820 31968 32508 32535 32634 33411 33712 33740 34704 34965 35280 35427 35668 36120 36260 37152 37296 37926 38184 38560 39960 40488 40635 41440 41452 42140 42336 42957 43344 43380 43512 44548 44585 45549 46440 46620 47236 47730 48160 48951 50568 50610 50912 51815 52056 52920 53280 53502 53984 54180 54390 55685 55944 56889 57276 57840 58016 59045 60732 61920 62160 62178 62419 63210 63640 65016 65070 65268 66822 67424 67480 69408 69930 70560 70854 71336 71595 72240 72520 72541 74592 75852 75915 76368 77959 79920 80253 80976 81270 81585 82904 84280 85914 86688 86760 87024 89096 89170 91098 92880 93240 93267 94472 94815 95460 97902 100233 101136 101220 103630 104112 105840 106281 107004 108360 108780 111370 111888 113778 114552 115680 118090 121464 124320 124356 124838 126420 127280 130032 130140 130536 133644 133755 134960 139860 141708 142672 143190 144480 145040 145082 151704 151830 152736 155445 155918 159840 160506 161952 162540 163170 165808 167055 168560 171828 173520 174048 177135 178192 178340 182196 185760 186480 186534 187257 188944 189630 190920 195804 200466 202272 202440 207260 208224 211680 212562 214008 214785 216720 217560 217623 222740 223776 227556 227745 229104 233877 236180 240759 242928 244755 248712 249676 252840 254560 260064 260280 261072 267288 267510 269920 279720 279801 283416 284445 285344 286380 290080 290164 300699 303408 303660 310890 311836 312095 318843 321012 325080 326340 331616 334110 337120 343656 347040 354270 356384 356680 362705 364392 372960 373068 374514 377888 379260 381840 383431 389795 391608 400932 401265 404880 414520 425124 428016 429570 433440 435120 435246 436933 445480 455112 455490 458208 466335 467754 472360 481518 485856 489510 497424 499352 501165 505680 507787 520560 522144 531405 534576 535020 559440 559602 561771 566832 568890 572760 580328 601398 606816 607320 621780 623672 624190 637686 642024 650160 652680 652869 668220 687312 701631 708540 713360 725410 728784 746136 749028 758520 763680 766862 779590 783216 801864 802530 809760 829040 850248 856032 859140 870240 870492 873866 890960 910224 910980 932670 935508 936285 944720 963036 979020 994848 998704 1002330 1011360 1015574 1041120 1062810 1069152 1070040 1088115 1118880 1119204 1123542 1133664 1137780 1145520 1150293 1160656 1169385 1202796 1203795 1214640 1243560 1247344 1248380 1275372 1284048 1300320 1305360 1305738 1310799 1336440 1374624 1399005 1403262 1417080 1426720 1450820 1457568 1492272 1498056 1503495 1517040 1523361 1533724 1559180 1566432 1594215 1603728 1605060 1658080 1685313 1700496 1718280 1740984 1747732 1781920 1820448 1821960 1865340 1871016 1872570 1889440 1917155 1926072 1958040 1958607 1997408 2004660 2031148 2104893 2125620 2140080 2176230 2184665 2238408 2247084 2275560 2291040 2300586 2321312 2338770 2405592 2407590 2429280 2487120 2494688 2496760 2538935 2550744 2568096 2610720 2611476 2621598 2672880 2684017 2798010 2806524 2808855 2834160 2901640 2984544 2996112 3006990 3034080 3046722 3067448 3118360 3188430 3207456 3210120 3264345 3370626 3400992 3436560 3450879 3481968 3495464 3508155 3643920 3730680 3742032 3745140 3834310 3852144 3916080 3917214 3932397 4009320 4062296 4209786 4251240 4280160 4352460 4369330 4476816 4494168 4551120 4570083 4601172 4677540 4811184 4815180 4974240 4993520 5077870 5101488 5222952 5243196 5345760 5368034 5596020 5613048 5617710 5668320 5751465 5803280 5992224 6013980 6093444 6134896 6236720 6376860 6420240 6528690 6553995 6741252 6873120 6901758 6963936 6990928 7016310 7287840 7461360 7484064 7490280 7616805 7668620 7704288 7832160 7834428 7864794 8018640 8052051 8124592 8419572 8426565 8502480 8704920 8738660 8953632 8988336 9102240 9140166 9202344 9355080 9622368 9630360 9793035 9987040 10155740 10202976 10352637 10445904 10486392 10524465 10736068 11192040 11226096 11235420 11502930 11606560 11797191 12027960 12186888 12269792 12473440 12753720 12840480 13057380 13107990 13420085 13482504 13710249 13803516 13981856 14032620 14922720 14980560 15233610 15337240 15668856 15729588 16037280 16104102 16249184 16839144 16853130 17004960 17254395 17409840 17477320 17976672 18280332 18404688 18710160 18788119 19260720 19586070 19661985 20311480 20705274 20891808 20972784 21048930 21472136 22384080 22452192 22470840 22850415 23005860 23594382 24055920 24156153 24373776 25507440 26114760 26215980 26840170 26965008 27420498 27607032 28065240 29961120 30467220 30674480 31337712 31459176 32208204 33678288 33706260 34508790 34819680 34954640 36560664 36809376 37420320 37576238 38521440 39172140 39323970 40260255 40622960 41410548 41945568 42097860 42944272 44768160 44941680 45700830 46011720 47188764 48111840 48312306 48747552 51014880 51763185 52229520 52431960 53680340 53930016 54840996 55214064 56130480 56364357 58985955 60934440 61348960 62675424 62918352 64416408 67356576 67412520 68551245 69017580 69909280 72468459 73121328 75152476 78344280 78647940 80520510 81245920 82821096 84195720 85888544 89883360 91401660 92023440 93940595 94377528 96624612 103526370 104459040 104863920 107360680 109681992 110428128 112260960 112728714 117971910 120780765 121868880 125836704 128832816 134825040 137102490 138035160 144936918 146242656 150304952 156688560 157295880 161041020 165642192 168391440 169093071 182803320 184046880 187881190 188755056 193249224 207052740 209727840 214721360 219363984 225457428 235943820 241561530 243737760 257665632 269650080 274204980 276070320 281821785 289873836 300609904 313377120 314591760 322082040 331284384 336782880 338186142 362342295 365606640 375762380 377510112 386498448 414105480 429442720 438727968 450914856 471887640 483123060 507279213 548409960 552140640 563643570 579747672 601219808 629183520 644164080 676372284 724684590 731213280 751524760 772996896 828210960 845465355 901829712 943775280 966246120 1014558426 1096819920 1127287140 1159495344 1288328160 1352744568 1449369180 1503049520 1656421920 1690930710 1803659424 1887550560 1932492240 2029116852 2193639840 2254574280 2318990688 2536396065 2705489136 2898738360 3006099040 3381861420 3864984480 4058233704 4509148560 5072792130 5410978272 5797476720 6763722840 8116467408 9018297120 10145584260 11594953440 13527445680 16232934816 20291168520 27054891360 40582337040 81164674080
• Sum of all divisors σ(n): 348721148160
• Sum of proper divisors (its aliquot sum) s(n): 267556474080
• 81164674080 is an abundant number, because the sum of its proper divisors (267556474080) is greater than itself. Its abundance is 186391800000

Bases of 81164674080

• Binary: 1001011100101110010101010010000100000₂
• Hexadecimal: 0x12E5CAA420
• Base-36: 11ABCNC0

Squares and roots of 81164674080

• 81164674080 squared (81164674080²) is 6587704318512623846400
• 81164674080 cubed (81164674080³) is 534688873947485624858691981312000
• The square root of 81164674080 is 284894.1453943903
• The cube root of 81164674080 is 4329.6788387617

Scales and comparisons

• 81,164,674,080 seconds is equal to 2,580 years, 40 weeks, 5 days, 22 hours, 48 minutes.
• To count from 1 to 81,164,674,080 would take you about five thousand, one hundred sixty-one years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 81164674080 cubic inches would be around 360.8 feet tall.

Recreational maths with 81164674080

• 81164674080 backwards is 08047646118
• 81164674080 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81164674080's digits is 45
• More coming soon!