81351117120
81,351,117,120 is an even composite number composed of seven prime numbers multiplied together.
81351117120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of six hundred seventy-two divisors.
Prime factorization of 81351117120:
26 × 3 × 5 × 72 × 13 × 151 × 881
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 7 × 13 × 151 × 881)See below for interesting mathematical facts about the number 81351117120 from the Numbermatics database.
Names of 81351117120
- Cardinal: 81351117120 can be written as Eighty-one billion, three hundred fifty-one million, one hundred seventeen thousand, one hundred twenty.
Scientific notation
- Scientific notation: 8.135111712 × 1010
Factors of 81351117120
Divisors of 81351117120
- Number of divisors d(n): 672
-
Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 49 52 56 60 64 65 70 78 80 84 91 96 98 104 105 112 120 130 140 147 151 156 160 168 182 192 195 196 208 210 224 240 245 260 273 280 294 302 312 320 336 364 390 392 416 420 448 453 455 480 490 520 546 560 588 604 624 637 672 728 735 755 780 784 832 840 881 906 910 960 980 1040 1057 1092 1120 1176 1208 1248 1274 1344 1365 1456 1470 1510 1560 1568 1680 1762 1812 1820 1911 1960 1963 2080 2114 2184 2240 2265 2352 2416 2496 2548 2643 2730 2912 2940 3020 3120 3136 3171 3185 3360 3524 3624 3640 3822 3920 3926 4160 4228 4368 4405 4530 4704 4832 5096 5285 5286 5460 5824 5880 5889 6040 6167 6240 6342 6370 6720 7048 7248 7280 7399 7644 7840 7852 8456 8736 8810 9060 9408 9555 9664 9815 10192 10570 10572 10920 11453 11760 11778 12080 12334 12480 12684 12740 13215 13741 14096 14496 14560 14798 15288 15680 15704 15855 16912 17472 17620 18120 18501 19110 19630 20384 21140 21144 21840 22197 22906 23520 23556 24160 24668 25368 25480 26430 27482 28192 28992 29120 29445 29596 30576 30835 31408 31710 33824 34359 35240 36240 36995 37002 38220 39260 40768 41223 42280 42288 43169 43680 44394 45812 47040 47112 48320 49336 50736 50960 52860 54964 56384 57265 58890 59192 61152 61670 62816 63420 67648 68705 68718 70480 72480 73990 74004 76440 78520 80171 82446 84560 84576 86338 87360 88788 91624 92505 94224 96187 98672 101472 101920 105720 109928 110985 114530 117780 118384 122304 123340 125632 126840 129507 133031 137410 137436 140960 144960 147980 148008 152880 157040 160342 164892 169120 169152 171795 172676 177576 183248 185010 188448 192374 197344 202944 203840 206115 211440 215845 219856 221970 229060 235560 236768 240513 246680 253680 259014 266062 274820 274872 281920 288561 295960 296016 305760 314080 320684 329784 338240 343590 345352 355152 366496 370020 376896 384748 394688 399093 400855 412230 422880 431690 439712 443940 458120 471120 473536 480935 481026 493360 507360 518028 532124 549640 549744 561197 577122 591920 592032 611520 628160 641368 647535 659568 665155 687180 690704 710304 732992 740040 769496 798186 801710 824460 845760 863380 879424 887880 916240 931217 942240 961870 962052 986720 1014720 1036056 1064248 1099280 1099488 1122394 1154244 1183840 1184064 1202565 1282736 1295070 1319136 1330310 1374360 1381408 1420608 1442805 1480080 1538992 1596372 1603420 1648920 1683591 1726760 1729403 1775760 1832480 1862434 1884480 1923740 1924104 1973440 1995465 2072112 2128496 2198560 2198976 2244788 2308488 2367680 2405130 2565472 2590140 2638272 2660620 2748720 2762816 2793651 2805985 2885610 2960160 3077984 3192744 3206840 3297840 3367182 3453520 3458806 3551520 3664960 3724868 3847480 3848208 3990930 4144224 4256992 4397120 4489576 4616976 4656085 4810260 5130944 5180280 5188209 5321240 5497440 5587302 5611970 5771220 5920320 6155968 6385488 6413680 6518519 6595680 6734364 6907040 6917612 7103040 7449736 7694960 7696416 7981860 8288448 8417955 8513984 8647015 8979152 9233952 9312170 9620520 10360560 10376418 10642480 10994880 11174604 11223940 11542440 12105821 12770976 12827360 13037038 13191360 13468728 13814080 13835224 13968255 14899472 15389920 15392832 15963720 16835910 17294030 17958304 18467904 18624340 19241040 19555557 20721120 20752836 21284960 22349208 22447880 23084880 24211642 25541952 25654720 25941045 26074076 26937456 27670448 27936510 29798944 30779840 31927440 32592595 33671820 34588060 35916608 36317463 37248680 38482080 39111114 41442240 41505672 42569920 44698416 44895760 46169760 48423284 51882090 52148152 53874912 55340896 55873020 59597888 60529105 63854880 65185190 67343640 69176120 72634926 74497360 76964160 78222228 83011344 84740747 89396832 89791520 92339520 96846568 97777785 103764180 104296304 107749824 110681792 111746040 121058210 127709760 130370380 134687280 138352240 145269852 148994720 156444456 166022688 169481494 178793664 179583040 181587315 193693136 195555570 207528360 208592608 223492080 242116420 254222241 260740760 269374560 276704480 290539704 297989440 312888912 332045376 338962988 363174630 387386272 391111140 415056720 417185216 423703735 446984160 484232840 508444482 521481520 538749120 553408960 581079408 625777824 677925976 726349260 774772544 782222280 830113440 847407470 893968320 968465680 1016888964 1042963040 1162158816 1251555648 1271111205 1355851952 1452698520 1564444560 1660226880 1694814940 1936931360 2033777928 2085926080 2324317632 2542222410 2711703904 2905397040 3128889120 3389629880 3873862720 4067555856 5084444820 5423407808 5810794080 6257778240 6779259760 8135111712 10168889640 11621588160 13558519520 16270223424 20337779280 27117039040 40675558560 81351117120
- Sum of all divisors σ(n): 326084403456
- Sum of proper divisors (its aliquot sum) s(n): 244733286336
- 81351117120 is an abundant number, because the sum of its proper divisors (244733286336) is greater than itself. Its abundance is 163382169216
Bases of 81351117120
- Binary: 10010111100001110011110001001010000002
- Hexadecimal: 0x12F0E78940
- Base-36: 11DECRPC
Squares and roots of 81351117120
- 81351117120 squared (813511171202) is 6618004256671957094400
- 81351117120 cubed (813511171203) is 538382039385178923006149296128000
-
The
square root of 81351117120 is 285221.1722856493 -
The
cube root of 81351117120 is 4332.9915326987
Scales and comparisons
How big is 81351117120?- 81,351,117,120 seconds is equal to 2,586 years, 37 weeks, 20 hours, 32 minutes.
-
To count from 1 to 81,351,117,120 would take you about five thousand, one hundred seventy-three 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 81351117120 cubic inches would be around 361.1 feet tall.
Recreational maths with 81351117120
- 81351117120 backwards is 02171115318
- 81351117120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81351117120's digits is 30
- More coming soon!
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The information we have on file for 81351117120 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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