81272673216
81,272,673,216 is an even composite number composed of five prime numbers multiplied together.
81272673216 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of four hundred twenty divisors.
Prime factorization of 81272673216:
26 × 34 × 72 × 31 × 10321
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 31 × 10321)See below for interesting mathematical facts about the number 81272673216 from the Numbermatics database.
Names of 81272673216
- Cardinal: 81272673216 can be written as Eighty-one billion, two hundred seventy-two million, six hundred seventy-three thousand, two hundred sixteen.
Scientific notation
- Scientific notation: 8.1272673216 × 1010
Factors of 81272673216
Divisors of 81272673216
- Number of divisors d(n): 420
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Complete list of divisors:
1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 31 32 36 42 48 49 54 56 62 63 64 72 81 84 93 96 98 108 112 124 126 144 147 162 168 186 189 192 196 216 217 224 248 252 279 288 294 324 336 372 378 392 432 434 441 448 496 504 558 567 576 588 648 651 672 744 756 784 837 864 868 882 992 1008 1116 1134 1176 1296 1302 1323 1344 1488 1512 1519 1568 1674 1728 1736 1764 1953 1984 2016 2232 2268 2352 2511 2592 2604 2646 2976 3024 3038 3136 3348 3472 3528 3906 3969 4032 4464 4536 4557 4704 5022 5184 5208 5292 5859 5952 6048 6076 6696 6944 7056 7812 7938 8928 9072 9114 9408 10044 10321 10416 10584 11718 12096 12152 13392 13671 13888 14112 15624 15876 17577 17856 18144 18228 20088 20642 20832 21168 23436 24304 26784 27342 28224 30963 31248 31752 35154 36288 36456 40176 41013 41284 41664 42336 46872 48608 53568 54684 61926 62496 63504 70308 72247 72912 80352 82026 82568 84672 92889 93744 97216 109368 123039 123852 124992 127008 140616 144494 145824 160704 164052 165136 185778 187488 216741 218736 246078 247704 254016 278667 281232 288988 291648 319951 328104 330272 371556 374976 433482 437472 492156 495408 505729 557334 562464 577976 639902 650223 656208 660544 743112 836001 866964 874944 959853 984312 990816 1011458 1114668 1124928 1155952 1279804 1300446 1312416 1486224 1517187 1672002 1733928 1919706 1950669 1968624 1981632 2022916 2229336 2239657 2311904 2559608 2600892 2624832 2879559 2972448 3034374 3344004 3467856 3839412 3901338 3937248 4045832 4458672 4479314 4551561 4623808 5119216 5201784 5759118 5852007 5944896 6068748 6688008 6718971 6935712 7678824 7802676 7874496 8091664 8638677 8917344 8958628 9103122 10238432 10403568 11518236 11704014 12137496 13376016 13437942 13654683 13871424 15357648 15605352 15677599 16183328 17277354 17834688 17917256 18206244 20156913 20476864 20807136 23036472 23408028 24274992 25916031 26752032 26875884 27309366 30715296 31210704 31355198 32366656 34554708 35834512 36412488 40313826 40964049 41614272 46072944 46816056 47032797 48549984 51832062 53504064 53751768 54618732 60470739 61430592 62421408 62710396 69109416 71669024 72824976 80627652 81928098 92145888 93632112 94065594 97099968 103664124 107503536 109237464 120941478 124842816 125420792 138218832 141098391 143338048 145649952 161255304 163856196 181412217 184291776 187264224 188131188 207328248 215007072 218474928 241882956 250841584 276437664 282196782 291299904 322510608 327712392 362824434 374528448 376262376 414656496 423295173 430014144 436949856 483765912 501683168 552875328 564393564 645021216 655424784 725648868 752524752 829312992 846590346 873899712 967531824 1003366336 1128787128 1269885519 1290042432 1310849568 1451297736 1505049504 1658625984 1693180692 1935063648 2257574256 2539771038 2621699136 2902595472 3010099008 3386361384 3870127296 4515148512 5079542076 5805190944 6772722768 9030297024 10159084152 11610381888 13545445536 20318168304 27090891072 40636336608 81272673216
- Sum of all divisors σ(n): 289319549376
- Sum of proper divisors (its aliquot sum) s(n): 208046876160
- 81272673216 is an abundant number, because the sum of its proper divisors (208046876160) is greater than itself. Its abundance is 126774202944
Bases of 81272673216
- Binary: 10010111011000011101010010011110000002
- Hexadecimal: 0x12EC3A93C0
- Base-36: 11C3NG00
Squares and roots of 81272673216
- 81272673216 squared (812726732162) is 6605247411674723782656
- 81272673216 cubed (812726732163) is 536826114399869649274864496541696
-
The
square root of 81272673216 is 285083.6249523989 -
The
cube root of 81272673216 is 4331.5983697755
Scales and comparisons
How big is 81272673216?- 81,272,673,216 seconds is equal to 2,584 years, 11 weeks, 2 days, 22 hours, 33 minutes, 36 seconds.
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To count from 1 to 81,272,673,216 would take you about five thousand, one hundred sixty-eight 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 81272673216 cubic inches would be around 361 feet tall.
Recreational maths with 81272673216
- 81272673216 backwards is 61237627218
- The number of decimal digits it has is: 11
- The sum of 81272673216's digits is 45
- More coming soon!
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The information we have on file for 81272673216 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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