138681229728
138,681,229,728 is an even composite number composed of six prime numbers multiplied together.
138681229728 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 138681229728:
25 × 3 × 37 × 53 × 263 × 2801
(2 × 2 × 2 × 2 × 2 × 3 × 37 × 53 × 263 × 2801)See below for interesting mathematical facts about the number 138681229728 from the Numbermatics database.
Names of 138681229728
- Cardinal: 138681229728 can be written as One hundred thirty-eight billion, six hundred eighty-one million, two hundred twenty-nine thousand, seven hundred twenty-eight.
Scientific notation
- Scientific notation: 1.38681229728 × 1011
Factors of 138681229728
Divisors of 138681229728
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 6 8 12 16 24 32 37 48 53 74 96 106 111 148 159 212 222 263 296 318 424 444 526 592 636 789 848 888 1052 1184 1272 1578 1696 1776 1961 2104 2544 2801 3156 3552 3922 4208 5088 5602 5883 6312 7844 8403 8416 9731 11204 11766 12624 13939 15688 16806 19462 22408 23532 25248 27878 29193 31376 33612 38924 41817 44816 47064 55756 58386 62752 67224 77848 83634 89632 94128 103637 111512 116772 134448 148453 155696 167268 188256 207274 223024 233544 268896 296906 310911 311392 334536 414548 445359 446048 467088 515743 593812 621822 669072 736663 829096 890718 934176 1031486 1187624 1243644 1338144 1473326 1547229 1658192 1781436 2062972 2209989 2375248 2487288 2946652 3094458 3316384 3562872 4125944 4419978 4750496 4974576 5492761 5893304 6188916 7125744 8251888 8839956 9949152 10985522 11786608 12377832 14251488 16478283 16503776 17679912 21971044 23573216 24755664 27256531 32956566 35359824 39043139 43942088 49511328 54513062 65913132 70719648 78086278 81769593 87884176 109026124 117129417 131826264 156172556 163539186 175768352 218052248 234258834 263652528 312345112 327078372 436104496 468517668 527305056 624690224 654156744 872208992 937035336 1249380448 1308313488 1444596143 1874070672 2616626976 2889192286 3748141344 4333788429 5778384572 8667576858 11556769144 17335153716 23113538288 34670307432 46227076576 69340614864 138681229728
- Sum of all divisors σ(n): 382516307712
- Sum of proper divisors (its aliquot sum) s(n): 243835077984
- 138681229728 is an abundant number, because the sum of its proper divisors (243835077984) is greater than itself. Its abundance is 105153848256
Bases of 138681229728
- Binary: 100000010010100000101110100001101000002
- Hexadecimal: 0x204A0BA1A0
- Base-36: 1RPJ81PC
Squares and roots of 138681229728
- 138681229728 squared (1386812297282) is 19232483478870310953984
- 138681229728 cubed (1386812297283) is 2667184459573178227328249940836352
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The
square root of 138681229728 is 372399.2880336911 -
The
cube root of 138681229728 is 5176.1385746929
Scales and comparisons
How big is 138681229728?- 138,681,229,728 seconds is equal to 4,409 years, 32 weeks, 6 days, 19 hours, 48 minutes, 48 seconds.
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To count from 1 to 138,681,229,728 would take you about eight thousand, eight hundred nineteen 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 138681229728 cubic inches would be around 431.3 feet tall.
Recreational maths with 138681229728
- 138681229728 backwards is 827922186831
- The number of decimal digits it has is: 12
- The sum of 138681229728's digits is 57
- More coming soon!
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