31217799990
31,217,799,990 is an even composite number composed of six prime numbers multiplied together.
31217799990 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31217799990:
2 × 3 × 5 × 132 × 239 × 25763
(2 × 3 × 5 × 13 × 13 × 239 × 25763)See below for interesting mathematical facts about the number 31217799990 from the Numbermatics database.
Names of 31217799990
- Cardinal: 31217799990 can be written as Thirty-one billion, two hundred seventeen million, seven hundred ninety-nine thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 3.121779999 × 1010
Factors of 31217799990
Divisors of 31217799990
- Number of divisors d(n): 96
-
Complete list of divisors:
1 2 3 5 6 10 13 15 26 30 39 65 78 130 169 195 239 338 390 478 507 717 845 1014 1195 1434 1690 2390 2535 3107 3585 5070 6214 7170 9321 15535 18642 25763 31070 40391 46605 51526 77289 80782 93210 121173 128815 154578 201955 242346 257630 334919 386445 403910 605865 669838 772890 1004757 1211730 1674595 2009514 3349190 4353947 5023785 6157357 8707894 10047570 12314714 13061841 18472071 21769735 26123682 30786785 36944142 43539470 61573570 65309205 80045641 92360355 130618410 160091282 184720710 240136923 400228205 480273846 800456410 1040593333 1200684615 2081186666 2401369230 3121779999 5202966665 6243559998 10405933330 15608899995 31217799990
- Sum of all divisors σ(n): 81471951360
- Sum of proper divisors (its aliquot sum) s(n): 50254151370
- 31217799990 is an abundant number, because the sum of its proper divisors (50254151370) is greater than itself. Its abundance is 19036351380
Bases of 31217799990
- Binary: 111010001001011100111010011001101102
- Hexadecimal: 0x744B9D336
- Base-36: ECA9SMU
Squares and roots of 31217799990
- 31217799990 squared (312177999902) is 974551036215644000100
- 31217799990 cubed (312177999903) is 30423339328627220904165339999000
-
The
square root of 31217799990 is 176685.5964418153 -
The
cube root of 31217799990 is 3148.7204003997
Scales and comparisons
How big is 31217799990?- 31,217,799,990 seconds is equal to 992 years, 32 weeks, 5 days, 3 hours, 6 minutes, 30 seconds.
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To count from 1 to 31,217,799,990 would take you about one thousand, nine hundred eighty-five 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 31217799990 cubic inches would be around 262.4 feet tall.
Recreational maths with 31217799990
- 31217799990 backwards is 09999771213
- The number of decimal digits it has is: 11
- The sum of 31217799990's digits is 57
- More coming soon!
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