81342071616
81,342,071,616 is an even composite number composed of seven prime numbers multiplied together.
What does the number 81342071616 look like?
This visualization shows the relationship between its 7 prime factors (large circles) and 448 divisors.
81342071616 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of four hundred forty-eight divisors.
Prime factorization of 81342071616:
26 × 3 × 13 × 19 × 37 × 151 × 307
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 13 × 19 × 37 × 151 × 307)See below for interesting mathematical facts about the number 81342071616 from the Numbermatics database.
Names of 81342071616
- Cardinal: 81342071616 can be written as Eighty-one billion, three hundred forty-two million, seventy-one thousand, six hundred sixteen.
Scientific notation
- Scientific notation: 8.1342071616 × 1010
Factors of 81342071616
Divisors of 81342071616
- Number of divisors d(n): 448
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Complete list of divisors:
1 2 3 4 6 8 12 13 16 19 24 26 32 37 38 39 48 52 57 64 74 76 78 96 104 111 114 148 151 152 156 192 208 222 228 247 296 302 304 307 312 416 444 453 456 481 494 592 604 608 614 624 703 741 832 888 906 912 921 962 988 1184 1208 1216 1228 1248 1406 1443 1482 1776 1812 1824 1842 1924 1963 1976 2109 2368 2416 2456 2496 2812 2869 2886 2964 3552 3624 3648 3684 3848 3926 3952 3991 4218 4832 4912 5587 5624 5738 5772 5833 5889 5928 7104 7248 7368 7696 7852 7904 7982 8436 8607 9139 9664 9824 11174 11248 11359 11476 11544 11666 11778 11856 11973 14496 14736 15392 15704 15808 15964 16761 16872 17214 17499 18278 19648 22348 22496 22718 22952 23088 23332 23556 23712 23946 27417 28992 29472 30784 31408 31928 33522 33744 34077 34428 34998 36556 37297 44696 44992 45436 45904 46176 46357 46664 47112 47424 47892 54834 58944 62816 63856 67044 67488 68154 68856 69996 72631 73112 74594 75829 89392 90872 91808 92352 92714 93328 94224 95784 106153 109668 111891 125632 127712 134088 134976 136308 137712 139071 139992 145262 146224 147667 149188 151658 178784 181744 183616 185428 186656 188448 191568 212306 215821 217893 219336 223782 227487 255424 268176 272616 275424 278142 279984 290524 292448 295334 298376 303316 318459 357568 363488 370856 373312 376896 383136 424612 431642 435786 438672 443001 447564 454974 536352 545232 550848 556284 559968 581048 584896 590668 596752 602641 606632 636918 647463 726976 741712 766272 849224 863284 871572 877344 880783 886002 895128 909948 1072704 1090464 1112568 1119936 1162096 1181336 1193504 1205282 1213264 1273836 1294926 1379989 1483424 1698448 1715209 1726568 1743144 1754688 1761566 1772004 1790256 1807923 1819896 2180928 2225136 2324192 2362672 2387008 2410564 2426528 2547672 2589852 2642349 2759978 2805673 2966848 3396896 3430418 3453136 3486288 3523132 3544008 3580512 3615846 3639792 4139967 4450272 4648384 4725344 4821128 4853056 5095344 5145627 5179704 5284698 5519956 5611346 6793792 6860836 6906272 6972576 7046264 7088016 7161024 7231692 7279584 8279934 8417019 8900544 9450688 9642256 10190688 10291254 10359408 10569396 11039912 11222692 11450179 13721672 13812544 13945152 14092528 14176032 14463384 14559168 16559868 16834038 19284512 20381376 20582508 20718816 21138792 22079824 22297717 22445384 22900358 27443344 28185056 28352064 28926768 32588971 33119736 33668076 34350537 38569024 41165016 41437632 42277584 44159648 44595434 44890768 45800716 54886688 56370112 57853536 65177942 66239472 66893151 67336152 68701074 82330032 84555168 88319296 89190868 89781536 91601432 97766913 109773376 115707072 130355884 132478944 133786302 134672304 137402148 164660064 169110336 178381736 179563072 183202864 195533826 260711768 264957888 267572604 269344608 274804296 329320128 356763472 366405728 391067652 423656623 521423536 535145208 538689216 549608592 713526944 732811456 782135304 847313246 1042847072 1070290416 1099217184 1270969869 1427053888 1564270608 1694626492 2085694144 2140580832 2198434368 2541939738 3128541216 3389252984 4281161664 5083879476 6257082432 6778505968 10167758952 13557011936 20335517904 27114023872 40671035808 81342071616
- Sum of all divisors σ(n): 253046097920
- Sum of proper divisors (its aliquot sum) s(n): 171704026304
- 81342071616 is an abundant number, because the sum of its proper divisors (171704026304) is greater than itself. Its abundance is 90361954688
Bases of 81342071616
- Binary: 10010111100000101110110000011010000002
- Hexadecimal: 0x12F05D8340
- Base-36: 11D8YW5C
Squares and roots of 81342071616
- 81342071616 squared (813420716162) is 6616532614782472851456
- 81342071616 cubed (813420716163) is 538202469801235646944709681872896
-
The
square root of 81342071616 is 285205.3148452883 -
The
cube root of 81342071616 is 4332.8309303353
Scales and comparisons
How big is 81342071616?- 81,342,071,616 seconds is equal to 2,586 years, 22 weeks, 1 day, 3 hours, 53 minutes, 36 seconds.
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To count from 1 to 81,342,071,616 would take you about five thousand, one hundred seventy-two 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 81342071616 cubic inches would be around 361.1 feet tall.
Recreational maths with 81342071616
- 81342071616 backwards is 61617024318
- 81342071616 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 81342071616's digits is 39
- More coming soon!
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