129138237440
129,138,237,440 is an even composite number composed of four prime numbers multiplied together.
129138237440 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of one hundred twelve divisors.
Prime factorization of 129138237440:
213 × 5 × 677 × 4657
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 677 × 4657)See below for interesting mathematical facts about the number 129138237440 from the Numbermatics database.
Names of 129138237440
- Cardinal: 129138237440 can be written as One hundred twenty-nine billion, one hundred thirty-eight million, two hundred thirty-seven thousand, four hundred forty.
Scientific notation
- Scientific notation: 1.2913823744 × 1011
Factors of 129138237440
Divisors of 129138237440
- Number of divisors d(n): 112
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Complete list of divisors:
1 2 4 5 8 10 16 20 32 40 64 80 128 160 256 320 512 640 677 1024 1280 1354 2048 2560 2708 3385 4096 4657 5120 5416 6770 8192 9314 10240 10832 13540 18628 20480 21664 23285 27080 37256 40960 43328 46570 54160 74512 86656 93140 108320 149024 173312 186280 216640 298048 346624 372560 433280 596096 693248 745120 866560 1192192 1386496 1490240 1733120 2384384 2772992 2980480 3152789 3466240 4768768 5545984 5960960 6305578 6932480 9537536 11921920 12611156 13864960 15763945 19075072 23843840 25222312 27729920 31527890 38150144 47687680 50444624 63055780 95375360 100889248 126111560 190750720 201778496 252223120 403556992 504446240 807113984 1008892480 1614227968 2017784960 3228455936 4035569920 6456911872 8071139840 12913823744 16142279680 25827647488 32284559360 64569118720 129138237440
- Sum of all divisors σ(n): 310437272952
- Sum of proper divisors (its aliquot sum) s(n): 181299035512
- 129138237440 is an abundant number, because the sum of its proper divisors (181299035512) is greater than itself. Its abundance is 52160798072
Bases of 129138237440
- Binary: 11110000100010011110100100000000000002
- Hexadecimal: 0x1E113D2000
- Base-36: 1NBPKLQ8
Squares and roots of 129138237440
- 129138237440 squared (1291382374402) is 16676684369109817753600
- 129138237440 cubed (1291382374403) is 2153597625770040246499524214784000
-
The
square root of 129138237440 is 359358.0908230675 -
The
cube root of 129138237440 is 5054.5785674649
Scales and comparisons
How big is 129138237440?- 129,138,237,440 seconds is equal to 4,106 years, 10 weeks, 1 day, 12 hours, 37 minutes, 20 seconds.
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To count from 1 to 129,138,237,440 would take you about eight thousand, two hundred twelve 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 129138237440 cubic inches would be around 421.2 feet tall.
Recreational maths with 129138237440
- 129138237440 backwards is 044732831921
- The number of decimal digits it has is: 12
- The sum of 129138237440's digits is 44
- More coming soon!
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Keywords: Divisors of 129138237440, math, Factors of 129138237440, curriculum, school, college, exams, university, Prime factorization of 129138237440, STEM, science, technology, engineering, physics, economics, calculator, one hundred twenty-nine billion, one hundred thirty-eight million, two hundred thirty-seven thousand, four hundred forty.