31307471390
31,307,471,390 is an even composite number composed of five prime numbers multiplied together.
31307471390 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of ninety-six divisors.
Prime factorization of 31307471390:
2 × 5 × 132 × 433 × 233
(2 × 5 × 13 × 13 × 43 × 43 × 43 × 233)See below for interesting mathematical facts about the number 31307471390 from the Numbermatics database.
Names of 31307471390
- Cardinal: 31307471390 can be written as Thirty-one billion, three hundred seven million, four hundred seventy-one thousand, three hundred ninety.
Scientific notation
- Scientific notation: 3.130747139 × 1010
Factors of 31307471390
Divisors of 31307471390
- Number of divisors d(n): 96
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Complete list of divisors:
1 2 5 10 13 26 43 65 86 130 169 215 233 338 430 466 559 845 1118 1165 1690 1849 2330 2795 3029 3698 5590 6058 7267 9245 10019 14534 15145 18490 20038 24037 30290 36335 39377 48074 50095 72670 78754 79507 100190 120185 130247 159014 196885 240370 260494 312481 393770 397535 430817 624962 651235 795070 861634 1033591 1302470 1562405 1693211 2067182 2154085 3124810 3386422 4308170 5167955 5600621 8466055 10335910 11201242 13436683 16932110 18525131 26873366 28003105 37050262 56006210 67183415 72808073 92625655 134366830 145616146 185251310 240826703 364040365 481653406 728080730 1204133515 2408267030 3130747139 6261494278 15653735695 31307471390
- Sum of all divisors σ(n): 62742794400
- Sum of proper divisors (its aliquot sum) s(n): 31435323010
- 31307471390 is an abundant number, because the sum of its proper divisors (31435323010) is greater than itself. Its abundance is 127851620
Bases of 31307471390
- Binary: 111010010100001001000011010000111102
- Hexadecimal: 0x74A121A1E
- Base-36: EDRNRJ2
Squares and roots of 31307471390
- 31307471390 squared (313074713902) is 980157764835668532100
- 31307471390 cubed (313074713903) is 30686261180279040620244046619000
-
The
square root of 31307471390 is 176939.1742661867 -
The
cube root of 31307471390 is 3151.7323599457
Scales and comparisons
How big is 31307471390?- 31,307,471,390 seconds is equal to 995 years, 24 weeks, 6 days, 23 hours, 49 minutes, 50 seconds.
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To count from 1 to 31,307,471,390 would take you about one thousand, nine hundred ninety 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 31307471390 cubic inches would be around 262.6 feet tall.
Recreational maths with 31307471390
- 31307471390 backwards is 09317470313
- The number of decimal digits it has is: 11
- The sum of 31307471390's digits is 38
- More coming soon!
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