31971990120
31,971,990,120 is an even composite number composed of seven prime numbers multiplied together.
31971990120 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of two hundred fifty-six divisors.
Prime factorization of 31971990120:
23 × 3 × 5 × 7 × 31 × 71 × 17293
(2 × 2 × 2 × 3 × 5 × 7 × 31 × 71 × 17293)See below for interesting mathematical facts about the number 31971990120 from the Numbermatics database.
Names of 31971990120
- Cardinal: 31971990120 can be written as Thirty-one billion, nine hundred seventy-one million, nine hundred ninety thousand, one hundred twenty.
Scientific notation
- Scientific notation: 3.197199012 × 1010
Factors of 31971990120
Divisors of 31971990120
- Number of divisors d(n): 256
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Complete list of divisors:
1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 31 35 40 42 56 60 62 70 71 84 93 105 120 124 140 142 155 168 186 210 213 217 248 280 284 310 355 372 420 426 434 465 497 568 620 651 710 744 840 852 868 930 994 1065 1085 1240 1302 1420 1491 1704 1736 1860 1988 2130 2170 2201 2485 2604 2840 2982 3255 3720 3976 4260 4340 4402 4970 5208 5964 6510 6603 7455 8520 8680 8804 9940 11005 11928 13020 13206 14910 15407 17293 17608 19880 22010 26040 26412 29820 30814 33015 34586 44020 46221 51879 52824 59640 61628 66030 69172 77035 86465 88040 92442 103758 121051 123256 132060 138344 154070 172930 184884 207516 231105 242102 259395 264120 308140 345860 363153 369768 415032 462210 484204 518790 536083 605255 616280 691720 726306 924420 968408 1037580 1072166 1210510 1227803 1452612 1608249 1815765 1848840 2075160 2144332 2421020 2455606 2680415 2905224 3216498 3631530 3683409 3752581 4288664 4842040 4911212 5360830 6139015 6432996 7263060 7366818 7505162 8041245 8594621 9822424 10721660 11257743 12278030 12865992 14526120 14733636 15010324 16082490 17189242 18417045 18762905 21443320 22515486 24556060 25783863 29467272 30020648 32164980 34378484 36834090 37525810 38061893 42973105 45030972 49112120 51567726 56288715 64329960 68756968 73668180 75051620 76123786 85946210 90061944 103135452 112577430 114185679 128919315 147336360 150103240 152247572 171892420 190309465 206270904 225154860 228371358 257838630 266433251 304495144 343784840 380618930 450309720 456742716 515677260 532866502 570928395 761237860 799299753 913485432 1031354520 1065733004 1141856790 1332166255 1522475720 1598599506 2131466008 2283713580 2664332510 3197199012 3996498765 4567427160 5328665020 6394398024 7992997530 10657330040 15985995060 31971990120
- Sum of all divisors σ(n): 114754682880
- Sum of proper divisors (its aliquot sum) s(n): 82782692760
- 31971990120 is an abundant number, because the sum of its proper divisors (82782692760) is greater than itself. Its abundance is 50810702640
Bases of 31971990120
- Binary: 111011100011010110111011010011010002
- Hexadecimal: 0x771ADDA68
- Base-36: EORAPGO
Squares and roots of 31971990120
- 31971990120 squared (319719901202) is 1022208152233377614400
- 31971990120 cubed (319719901203) is 32682028943789005021825969728000
-
The
square root of 31971990120 is 178807.1310658499 -
The
cube root of 31971990120 is 3173.8755228487
Scales and comparisons
How big is 31971990120?- 31,971,990,120 seconds is equal to 1,016 years, 31 weeks, 5 days, 4 hours, 22 minutes.
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To count from 1 to 31,971,990,120 would take you about two thousand and thirty-three 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 31971990120 cubic inches would be around 264.5 feet tall.
Recreational maths with 31971990120
- 31971990120 backwards is 02109917913
- 31971990120 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 31971990120's digits is 42
- More coming soon!
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