129431133440
129,431,133,440 is an even composite number composed of four prime numbers multiplied together.
129431133440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of seventy-two divisors.
Prime factorization of 129431133440:
28 × 5 × 7 × 14445439
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 7 × 14445439)See below for interesting mathematical facts about the number 129431133440 from the Numbermatics database.
Names of 129431133440
- Cardinal: 129431133440 can be written as One hundred twenty-nine billion, four hundred thirty-one million, one hundred thirty-three thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2943113344 × 1011
Factors of 129431133440
Divisors of 129431133440
- Number of divisors d(n): 72
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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 80 112 128 140 160 224 256 280 320 448 560 640 896 1120 1280 1792 2240 4480 8960 14445439 28890878 57781756 72227195 101118073 115563512 144454390 202236146 231127024 288908780 404472292 462254048 505590365 577817560 808944584 924508096 1011180730 1155635120 1617889168 1849016192 2022361460 2311270240 3235778336 3698032384 4044722920 4622540480 6471556672 8089445840 9245080960 12943113344 16178891680 18490161920 25886226688 32357783360 64715566720 129431133440
- Sum of all divisors σ(n): 354317752320
- Sum of proper divisors (its aliquot sum) s(n): 224886618880
- 129431133440 is an abundant number, because the sum of its proper divisors (224886618880) is greater than itself. Its abundance is 95455485440
Bases of 129431133440
- Binary: 11110001000101011001001011101000000002
- Hexadecimal: 0x1E22B25D00
- Base-36: 1NGJYDQ8
Squares and roots of 129431133440
- 129431133440 squared (1294311334402) is 16752418303563086233600
- 129431133440 cubed (1294311334403) is 2168284488891172241759308611584000
-
The
square root of 129431133440 is 359765.3866619189 -
The
cube root of 129431133440 is 5058.3970801157
Scales and comparisons
How big is 129431133440?- 129,431,133,440 seconds is equal to 4,115 years, 26 weeks, 3 days, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 129,431,133,440 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 129431133440 cubic inches would be around 421.5 feet tall.
Recreational maths with 129431133440
- 129431133440 backwards is 044331134921
- 129431133440 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 129431133440's digits is 35
- More coming soon!
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