81614197140

Names of 81614197140

• Cardinal: 81614197140 can be written as Eighty-one billion, six hundred fourteen million, one hundred ninety-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 8.161419714 × 10¹⁰

Factors of 81614197140

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 755

Divisors of 81614197140

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 29 30 35 38 42 49 57 58 60 70 76 83 84 87 95 98 105 114 116 133 140 145 147 166 174 190 196 203 210 228 245 249 266 285 290 294 332 348 380 399 406 415 420 435 490 498 532 551 570 580 581 588 607 609 665 735 798 812 830 870 931 980 996 1015 1102 1140 1162 1214 1218 1245 1330 1421 1470 1577 1596 1653 1660 1740 1743 1821 1862 1995 2030 2204 2324 2407 2428 2436 2490 2660 2755 2793 2842 2905 2940 3035 3045 3154 3306 3486 3642 3724 3857 3990 4060 4067 4249 4263 4655 4731 4814 4980 5510 5586 5684 5810 6070 6090 6308 6612 6972 7105 7221 7284 7714 7885 7980 8134 8265 8498 8526 8715 9105 9310 9462 9628 11020 11039 11172 11533 11571 11620 12035 12140 12180 12201 12747 13965 14210 14442 15428 15770 16268 16530 16849 16996 17052 17430 17603 18210 18620 18924 19285 20335 21245 21315 22078 23066 23142 23655 24070 24402 25494 26999 27930 28420 28884 29743 31540 33060 33117 33698 34599 34860 35206 36105 36420 38570 40670 42490 42630 44156 45733 46132 46284 47310 48140 48804 50381 50547 50988 52809 53998 55195 55860 57665 57855 59486 61005 63735 66234 67396 69198 70412 72210 77140 77273 80731 80997 81340 84245 84980 85260 88015 89229 91466 94620 100762 101094 105618 107996 110390 115330 115710 117943 118972 122010 123221 127470 132468 134995 137199 138396 144420 148715 151143 154546 161462 161994 165585 168490 172995 176030 178458 182932 201524 202188 211236 220780 228665 230660 231420 231819 235886 242193 244020 246442 251905 252735 254940 264045 269990 274398 297430 302286 309092 320131 322924 323988 331170 334457 336980 345990 352060 352667 353829 356916 369663 386365 403655 404985 446145 457330 463638 471772 484386 492884 503810 505470 528090 539980 548796 565117 589715 594860 604572 616105 640262 662340 668914 685995 691980 705334 707658 739326 755715 772730 807310 809970 862547 892290 914660 927276 957239 960393 968772 1003371 1007620 1010940 1056180 1058001 1130234 1159095 1179430 1210965 1232210 1280524 1337828 1371990 1410668 1415316 1461049 1478652 1511430 1545460 1600655 1614620 1619940 1672285 1695351 1725094 1763335 1769145 1784580 1848315 1914478 1920786 2006742 2116002 2240917 2260468 2318190 2341199 2358860 2421930 2464420 2468669 2587641 2743980 2825585 2871717 2922098 3022860 3201310 3344570 3390702 3450188 3526670 3538290 3696630 3828956 3841572 4013484 4232004 4312735 4383147 4481834 4636380 4682398 4786195 4801965 4843860 4937338 5016855 5175282 5290005 5651170 5743434 5844196 6402620 6689140 6700673 6722751 6781404 7023597 7053340 7076580 7305245 7393260 7406007 8476755 8625470 8766294 8963668 9364796 9572390 9603930 9874676 10033710 10227343 10350564 10580010 11204585 11302340 11486868 11705995 12343345 12938205 13401346 13445502 14047194 14358585 14610490 14812014 16388393 16953510 17250940 17532588 19144780 19207860 20067420 20102019 20454686 21160020 21915735 22409170 23411990 24686690 25876410 26802692 26891004 27759931 28094388 28717170 29220980 29624028 30682029 32776786 33503365 33613755 33907020 35117985 37030035 40204038 40909372 43831470 44818340 46823980 46904711 49165179 49373380 51136715 51752820 55519862 57434340 61364058 65553572 67006730 67227510 70235970 71591401 74060070 80408076 81941965 83279793 87662940 93809422 98330358 100510095 102273430 111039724 122728116 134013460 134455020 138799655 140471940 140714133 143182802 148120140 153410145 163883930 166559586 187618844 194319517 196660716 201020190 204546860 214774203 234523555 245825895 277599310 281428266 286365604 306820290 327767860 333119172 357957005 388639034 402040380 416398965 429548406 469047110 491651790 555198620 562856532 582958551 613640580 703570665 715914010 777278068 832797930 859096812 938094220 971597585 983303580 1073871015 1165917102 1360236619 1407141330 1431828020 1665595860 1943195170 2147742030 2331834204 2720473238 2814282660 2914792755 3886390340 4080709857 4295484060 5440946476 5829585510 6801183095 8161419714 11659171020 13602366190 16322839428 20403549285 27204732380 40807098570 81614197140
• Sum of all divisors σ(n): 293439283200
• Sum of proper divisors (its aliquot sum) s(n): 211825086060
• 81614197140 is an abundant number, because the sum of its proper divisors (211825086060) is greater than itself. Its abundance is 130210888920

Bases of 81614197140

• Binary: 1001100000000100101011101000110010100₂
• Hexadecimal: 0x130095D194
• Base-36: 11HQZHJO

Squares and roots of 81614197140

• 81614197140 squared (81614197140²) is 6660877174806784179600
• 81614197140 cubed (81614197140³) is 543622142870007125443307566344000
• The square root of 81614197140 is 285681.9860264207
• The cube root of 81614197140 is 4337.6573031231

Scales and comparisons

• 81,614,197,140 seconds is equal to 2,595 years, 4 weeks, 18 hours, 19 minutes.
• To count from 1 to 81,614,197,140 would take you about five thousand, one hundred ninety 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 81614197140 cubic inches would be around 361.5 feet tall.

Recreational maths with 81614197140

• 81614197140 backwards is 04179141618
• 81614197140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 81614197140's digits is 42
• More coming soon!