42138728172
42,138,728,172 is an even composite number composed of five prime numbers multiplied together.
42138728172 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred fifty-two divisors.
Prime factorization of 42138728172:
22 × 36 × 172 × 31 × 1613
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 17 × 17 × 31 × 1613)See below for interesting mathematical facts about the number 42138728172 from the Numbermatics database.
Names of 42138728172
- Cardinal: 42138728172 can be written as Forty-two billion, one hundred thirty-eight million, seven hundred twenty-eight thousand, one hundred seventy-two.
Scientific notation
- Scientific notation: 4.2138728172 × 1010
Factors of 42138728172
Divisors of 42138728172
- Number of divisors d(n): 252
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Complete list of divisors:
1 2 3 4 6 9 12 17 18 27 31 34 36 51 54 62 68 81 93 102 108 124 153 162 186 204 243 279 289 306 324 372 459 486 527 558 578 612 729 837 867 918 972 1054 1116 1156 1377 1458 1581 1613 1674 1734 1836 2108 2511 2601 2754 2916 3162 3226 3348 3468 4131 4743 4839 5022 5202 5508 6324 6452 7533 7803 8262 8959 9486 9678 10044 10404 12393 14229 14517 15066 15606 16524 17918 18972 19356 22599 23409 24786 26877 27421 28458 29034 30132 31212 35836 42687 43551 45198 46818 49572 50003 53754 54842 56916 58068 70227 80631 82263 85374 87102 90396 93636 100006 107508 109684 128061 130653 140454 150009 161262 164526 170748 174204 200012 210681 241893 246789 256122 261306 280908 300018 322524 329052 384183 391959 421362 450027 466157 483786 493578 512244 522612 600036 725679 740367 768366 783918 842724 850051 900054 932314 967572 987156 1175877 1350081 1398471 1451358 1480734 1536732 1567836 1700102 1800108 1864628 2177037 2221101 2351754 2550153 2700162 2796942 2902716 2961468 3400204 4050243 4195413 4354074 4442202 4703508 5100306 5400324 5593884 6531111 6663303 7650459 8100486 8390826 8708148 8884404 10200612 12150729 12586239 13062222 13326606 14450867 15300918 16200972 16781652 19989909 22951377 24301458 25172478 26124444 26653212 28901734 30601836 36452187 37758717 39979818 43352601 45902754 48602916 50344956 57803468 68854131 72904374 75517434 79959636 86705202 91805508 113276151 130057803 137708262 145808748 151034868 173410404 206562393 226552302 260115606 275416524 339828453 390173409 413124786 453104604 520231212 619687179 679656906 780346818 826249572 1170520227 1239374358 1359313812 1560693636 2341040454 2478748716 3511560681 4682080908 7023121362 10534682043 14046242724 21069364086 42138728172
- Sum of all divisors σ(n): 121313766336
- Sum of proper divisors (its aliquot sum) s(n): 79175038164
- 42138728172 is an abundant number, because the sum of its proper divisors (79175038164) is greater than itself. Its abundance is 37036309992
Bases of 42138728172
- Binary: 1001110011111010100111110110111011002
- Hexadecimal: 0x9CFA9F6EC
- Base-36: JCWB6R0
Squares and roots of 42138728172
- 42138728172 squared (421387281722) is 1775672411953706461584
- 42138728172 cubed (421387281723) is 74824577089836840032568136544448
-
The
square root of 42138728172 is 205277.1983733215 -
The
cube root of 42138728172 is 3479.8496040831
Scales and comparisons
How big is 42138728172?- 42,138,728,172 seconds is equal to 1,339 years, 45 weeks, 5 days, 18 hours, 16 minutes, 12 seconds.
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To count from 1 to 42,138,728,172 would take you about two thousand, six hundred seventy-nine 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 42138728172 cubic inches would be around 290 feet tall.
Recreational maths with 42138728172
- 42138728172 backwards is 27182783124
- The number of decimal digits it has is: 11
- The sum of 42138728172's digits is 45
- More coming soon!
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