138997830720
138,997,830,720 is an even composite number composed of six prime numbers multiplied together.
138997830720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 138997830720:
26 × 3 × 5 × 7 × 2141 × 9661
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 7 × 2141 × 9661)See below for interesting mathematical facts about the number 138997830720 from the Numbermatics database.
Names of 138997830720
- Cardinal: 138997830720 can be written as One hundred thirty-eight billion, nine hundred ninety-seven million, eight hundred thirty thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.3899783072 × 1011
Factors of 138997830720
Divisors of 138997830720
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 140 160 168 192 210 224 240 280 320 336 420 448 480 560 672 840 960 1120 1344 1680 2141 2240 3360 4282 6423 6720 8564 9661 10705 12846 14987 17128 19322 21410 25692 28983 29974 32115 34256 38644 42820 44961 48305 51384 57966 59948 64230 67627 68512 74935 77288 85640 89922 96610 102768 115932 119896 128460 135254 137024 144915 149870 154576 171280 179844 193220 202881 205536 224805 231864 239792 256920 270508 289830 299740 309152 338135 342560 359688 386440 405762 411072 449610 463728 479584 513840 541016 579660 599480 618304 676270 685120 719376 772880 811524 899220 927456 959168 1014405 1027680 1082032 1159320 1198960 1352540 1438752 1545760 1623048 1798440 1854912 2028810 2055360 2164064 2318640 2397920 2705080 2877504 3091520 3246096 3596880 4057620 4328128 4637280 4795840 5410160 6492192 7193760 8115240 9274560 10820320 12984384 14387520 16230480 20684201 21640640 32460960 41368402 62052603 64921920 82736804 103421005 124105206 144789407 165473608 206842010 248210412 289578814 310263015 330947216 413684020 434368221 496420824 579157628 620526030 661894432 723947035 827368040 868736442 992841648 1158315256 1241052060 1323788864 1447894070 1654736080 1737472884 1985683296 2171841105 2316630512 2482104120 2895788140 3309472160 3474945768 3971366592 4343682210 4633261024 4964208240 5791576280 6618944320 6949891536 8687364420 9266522048 9928416480 11583152560 13899783072 17374728840 19856832960 23166305120 27799566144 34749457680 46332610240 69498915360 138997830720
- Sum of all divisors σ(n): 504651361536
- Sum of proper divisors (its aliquot sum) s(n): 365653530816
- 138997830720 is an abundant number, because the sum of its proper divisors (365653530816) is greater than itself. Its abundance is 226655700096
Bases of 138997830720
- Binary: 100000010111001110101010010100010000002
- Hexadecimal: 0x205CEA9440
- Base-36: 1RURPWLC
Squares and roots of 138997830720
- 138997830720 squared (1389978307202) is 19320396944865775718400
- 138997830720 cubed (1389978307203) is 2685493263985658266427649589248000
-
The
square root of 138997830720 is 372824.1284037289 -
The
cube root of 138997830720 is 5180.0745197809
Scales and comparisons
How big is 138997830720?- 138,997,830,720 seconds is equal to 4,419 years, 36 weeks, 3 days, 4 hours, 32 minutes.
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To count from 1 to 138,997,830,720 would take you about eight thousand, eight hundred thirty-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 138997830720 cubic inches would be around 431.7 feet tall.
Recreational maths with 138997830720
- 138997830720 backwards is 027038799831
- The number of decimal digits it has is: 12
- The sum of 138997830720's digits is 57
- More coming soon!
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