81729041472
81,729,041,472 is an even composite number composed of five prime numbers multiplied together.
81729041472 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of five hundred eighty-eight divisors.
Prime factorization of 81729041472:
26 × 36 × 13 × 472 × 61
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 13 × 47 × 47 × 61)See below for interesting mathematical facts about the number 81729041472 from the Numbermatics database.
Names of 81729041472
- Cardinal: 81729041472 can be written as Eighty-one billion, seven hundred twenty-nine million, forty-one thousand, four hundred seventy-two.
Scientific notation
- Scientific notation: 8.1729041472 × 1010
Factors of 81729041472
Divisors of 81729041472
- Number of divisors d(n): 588
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Complete list of divisors:
1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 47 48 52 54 61 64 72 78 81 94 96 104 108 117 122 141 144 156 162 183 188 192 208 216 234 243 244 282 288 312 324 351 366 376 416 423 432 468 486 488 549 564 576 611 624 648 702 729 732 752 793 832 846 864 936 972 976 1053 1098 1128 1222 1248 1269 1296 1404 1458 1464 1504 1586 1647 1692 1728 1833 1872 1944 1952 2106 2196 2209 2256 2379 2444 2496 2538 2592 2808 2867 2916 2928 3008 3159 3172 3294 3384 3666 3744 3807 3888 3904 4212 4392 4418 4512 4758 4888 4941 5076 5184 5499 5616 5734 5832 5856 6318 6344 6588 6627 6768 7137 7332 7488 7614 7776 8424 8601 8784 8836 9024 9477 9516 9776 9882 10152 10998 11232 11421 11468 11664 11712 12636 12688 13176 13254 13536 14274 14664 14823 15228 15552 16497 16848 17202 17568 17672 18954 19032 19552 19764 19881 20304 21411 21996 22464 22842 22936 23328 25272 25376 25803 26352 26508 27072 28548 28717 29328 29646 30456 32994 33696 34263 34404 35136 35344 37271 37908 38064 39104 39528 39762 40608 42822 43992 44469 45684 45872 46656 49491 50544 50752 51606 52704 53016 57096 57434 58656 59292 59643 60912 64233 65988 67392 68526 68808 70688 74542 75816 76128 77409 79056 79524 81216 85644 86151 87984 88938 91368 91744 98982 101088 103212 105408 106032 111813 114192 114868 117312 118584 119286 121824 128466 131976 134749 137052 137616 141376 148473 149084 151632 152256 154818 158112 159048 171288 172302 175968 177876 178929 182736 183488 192699 197964 202176 206424 212064 223626 228384 229736 232227 237168 238572 243648 256932 258453 263952 269498 274104 275232 296946 298168 303264 309636 316224 318096 335439 342576 344604 351936 355752 357858 365472 385398 395928 404247 412848 424128 445419 447252 456768 459472 464454 474336 477144 513864 516906 527904 536787 538996 548208 550464 578097 593892 596336 606528 619272 636192 670878 685152 689208 696681 711504 715716 730944 770796 775359 791856 808494 825696 890838 894504 918944 928908 948672 954288 1006317 1027728 1033812 1055808 1073574 1077992 1096416 1156194 1187784 1192672 1212741 1238544 1272384 1341756 1370304 1378416 1393362 1423008 1431432 1541592 1550718 1583712 1610361 1616988 1651392 1751737 1781676 1789008 1837888 1857816 1908576 2012634 2055456 2067624 2090043 2147148 2155984 2192832 2312388 2326077 2375568 2385344 2425482 2477088 2683512 2756832 2786724 2846016 2862864 3018951 3083184 3101436 3167424 3220722 3233976 3503474 3563352 3578016 3638223 3715632 3817152 4025268 4110912 4135248 4180086 4294296 4311968 4624776 4652154 4751136 4850964 4954176 5255211 5367024 5513664 5573448 5725728 6037902 6166368 6202872 6441444 6467952 6978231 7006948 7126704 7156032 7276446 7431264 8050536 8270496 8360172 8588592 8623936 9056853 9249552 9304308 9502272 9701928 10510422 10734048 10914669 11146896 11451456 12075804 12332736 12405744 12882888 12935904 13956462 14013896 14253408 14552892 14862528 15765633 16101072 16540992 16720344 17177184 18113706 18499104 18608616 19403856 20934693 21020844 21468096 21829338 22293792 24151608 24811488 25765776 25871808 27170559 27912924 28027792 28506816 29105784 31531266 32202144 32744007 33440688 34354368 36227412 36998208 37217232 38807712 41869386 42041688 43658676 44587584 47296899 48303216 49622976 51531552 54341118 55825848 56055584 58211568 63062532 64404288 65488014 66881376 72454824 74434464 77615424 83738772 84083376 87317352 94593798 96606432 98232021 103063104 108682236 111651696 112111168 116423136 126125064 130976028 133762752 141890697 144909648 148868928 167477544 168166752 174634704 189187596 193212864 196464042 217364472 223303392 232846272 252250128 261952056 283781394 289819296 334955088 336333504 349269408 378375192 392928084 425672091 434728944 446606784 504500256 523904112 567562788 579638592 669910176 698538816 756750384 785856168 851344182 869457888 1009000512 1047808224 1135125576 1277016273 1339820352 1513500768 1571712336 1702688364 1738915776 2095616448 2270251152 2554032546 3027001536 3143424672 3405376728 4540502304 5108065092 6286849344 6810753456 9081004608 10216130184 13621506912 20432260368 27243013824 40864520736 81729041472
- Sum of all divisors σ(n): 271941298636
- Sum of proper divisors (its aliquot sum) s(n): 190212257164
- 81729041472 is an abundant number, because the sum of its proper divisors (190212257164) is greater than itself. Its abundance is 108483215692
Bases of 81729041472
- Binary: 10011000001110110111000110100010000002
- Hexadecimal: 0x13076E3440
- Base-36: 11JND000
Squares and roots of 81729041472
- 81729041472 squared (817290414722) is 6679636219931895926784
- 81729041472 cubed (817290414723) is 545920265636687235215717411586048
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The
square root of 81729041472 is 285882.9156700343 -
The
cube root of 81729041472 is 4339.6909438937
Scales and comparisons
How big is 81729041472?- 81,729,041,472 seconds is equal to 2,598 years, 37 weeks, 6 days, 23 hours, 31 minutes, 12 seconds.
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To count from 1 to 81,729,041,472 would take you about five thousand, one hundred ninety-seven 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 81729041472 cubic inches would be around 361.6 feet tall.
Recreational maths with 81729041472
- 81729041472 backwards is 27414092718
- The number of decimal digits it has is: 11
- The sum of 81729041472's digits is 45
- More coming soon!
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The information we have on file for 81729041472 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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