129426984
129,426,984 is an even composite number composed of five prime numbers multiplied together.
129426984 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 129426984:
23 × 34 × 17 × 31 × 379
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 17 × 31 × 379)See below for interesting mathematical facts about the number 129426984 from the Numbermatics database.
Names of 129426984
- Cardinal: 129426984 can be written as One hundred twenty-nine million, four hundred twenty-six thousand, nine hundred eighty-four.
Scientific notation
- Scientific notation: 1.29426984 × 108
Factors of 129426984
Divisors of 129426984
- Number of divisors d(n): 160
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Complete list of divisors:
1 2 3 4 6 8 9 12 17 18 24 27 31 34 36 51 54 62 68 72 81 93 102 108 124 136 153 162 186 204 216 248 279 306 324 372 379 408 459 527 558 612 648 744 758 837 918 1054 1116 1137 1224 1377 1516 1581 1674 1836 2108 2232 2274 2511 2754 3032 3162 3348 3411 3672 4216 4548 4743 5022 5508 6324 6443 6696 6822 9096 9486 10044 10233 11016 11749 12648 12886 13644 14229 18972 19329 20088 20466 23498 25772 27288 28458 30699 35247 37944 38658 40932 42687 46996 51544 56916 57987 61398 70494 77316 81864 85374 93992 105741 113832 115974 122796 140988 154632 170748 173961 199733 211482 231948 245592 281976 317223 341496 347922 399466 422964 463896 521883 599199 634446 695844 798932 845928 951669 1043766 1198398 1268892 1391688 1597864 1797597 1903338 2087532 2396796 2537784 3595194 3806676 4175064 4793592 5392791 7190388 7613352 10785582 14380776 16178373 21571164 32356746 43142328 64713492 129426984
- Sum of all divisors σ(n): 397267200
- Sum of proper divisors (its aliquot sum) s(n): 267840216
- 129426984 is an abundant number, because the sum of its proper divisors (267840216) is greater than itself. Its abundance is 138413232
Bases of 129426984
- Binary: 1111011011011100110001010002
- Hexadecimal: 0x7B6E628
- Base-36: 2522I0
Squares and roots of 129426984
- 129426984 squared (1294269842) is 16751344187336256
- 129426984 cubed (1294269843) is 2168075956112862607931904
-
The
square root of 129426984 is 11376.5980855439 -
The
cube root of 129426984 is 505.8343023725
Scales and comparisons
How big is 129426984?- 129,426,984 seconds is equal to 4 years, 5 weeks, 6 days, 23 hours, 56 minutes, 24 seconds.
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To count from 1 to 129,426,984 would take you about six 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 129426984 cubic inches would be around 42.2 feet tall.
Recreational maths with 129426984
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