129439869440
129,439,869,440 is an even composite number composed of five prime numbers multiplied together.
129439869440 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred sixty divisors.
Prime factorization of 129439869440:
29 × 5 × 7 × 79 × 91433
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 79 × 91433)See below for interesting mathematical facts about the number 129439869440 from the Numbermatics database.
Names of 129439869440
- Cardinal: 129439869440 can be written as One hundred twenty-nine billion, four hundred thirty-nine million, eight hundred sixty-nine thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2943986944 × 1011
Factors of 129439869440
Divisors of 129439869440
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 79 80 112 128 140 158 160 224 256 280 316 320 395 448 512 553 560 632 640 790 896 1106 1120 1264 1280 1580 1792 2212 2240 2528 2560 2765 3160 3584 4424 4480 5056 5530 6320 8848 8960 10112 11060 12640 17696 17920 20224 22120 25280 35392 40448 44240 50560 70784 88480 91433 101120 141568 176960 182866 202240 283136 353920 365732 457165 640031 707840 731464 914330 1280062 1415680 1462928 1828660 2560124 2925856 3200155 3657320 5120248 5851712 6400310 7223207 7314640 10240496 11703424 12800620 14446414 14629280 20480992 23406848 25601240 28892828 29258560 36116035 40961984 46813696 50562449 51202480 57785656 58517120 72232070 81923968 101124898 102404960 115571312 117034240 144464140 163847936 202249796 204809920 231142624 234068480 252812245 288928280 327695872 404499592 409619840 462285248 505624490 577856560 808999184 819239680 924570496 1011248980 1155713120 1617998368 1638479360 1849140992 2022497960 2311426240 3235996736 3698281984 4044995920 4622852480 6471993472 8089991840 9245704960 12943986944 16179983680 18491409920 25887973888 32359967360 64719934720 129439869440
- Sum of all divisors σ(n): 359182010880
- Sum of proper divisors (its aliquot sum) s(n): 229742141440
- 129439869440 is an abundant number, because the sum of its proper divisors (229742141440) is greater than itself. Its abundance is 100302272000
Bases of 129439869440
- Binary: 11110001000110011011110101010000000002
- Hexadecimal: 0x1E2337AA00
- Base-36: 1NGP5MGW
Squares and roots of 129439869440
- 129439869440 squared (1294398694402) is 16754679800644245913600
- 129439869440 cubed (1294398694403) is 2168723565904396418943637520384000
-
The
square root of 129439869440 is 359777.5277028849 -
The
cube root of 129439869440 is 5058.5108836535
Scales and comparisons
How big is 129439869440?- 129,439,869,440 seconds is equal to 4,115 years, 40 weeks, 6 days, 15 hours, 17 minutes, 20 seconds.
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To count from 1 to 129,439,869,440 would take you about eight thousand, two hundred thirty-one 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 129439869440 cubic inches would be around 421.5 feet tall.
Recreational maths with 129439869440
- 129439869440 backwards is 044968934921
- The number of decimal digits it has is: 12
- The sum of 129439869440's digits is 59
- More coming soon!
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