231378420
231,378,420 is an even composite number composed of seven prime numbers multiplied together.
231378420 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of one hundred ninety-two divisors.
Prime factorization of 231378420:
22 × 3 × 5 × 7 × 13 × 31 × 1367
(2 × 2 × 3 × 5 × 7 × 13 × 31 × 1367)See below for interesting mathematical facts about the number 231378420 from the Numbermatics database.
Names of 231378420
- Cardinal: 231378420 can be written as Two hundred thirty-one million, three hundred seventy-eight thousand, four hundred twenty.
Scientific notation
- Scientific notation: 2.3137842 × 108
Factors of 231378420
Divisors of 231378420
- Number of divisors d(n): 192
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Complete list of divisors:
1 2 3 4 5 6 7 10 12 13 14 15 20 21 26 28 30 31 35 39 42 52 60 62 65 70 78 84 91 93 105 124 130 140 155 156 182 186 195 210 217 260 273 310 364 372 390 403 420 434 455 465 546 620 651 780 806 868 910 930 1085 1092 1209 1302 1365 1367 1612 1820 1860 2015 2170 2418 2604 2730 2734 2821 3255 4030 4101 4340 4836 5460 5468 5642 6045 6510 6835 8060 8202 8463 9569 11284 12090 13020 13670 14105 16404 16926 17771 19138 20505 24180 27340 28210 28707 33852 35542 38276 41010 42315 42377 47845 53313 56420 57414 71084 82020 84630 84754 88855 95690 106626 114828 124397 127131 143535 169260 169508 177710 191380 211885 213252 248794 254262 266565 287070 296639 355420 373191 423770 497588 508524 533130 550901 574140 593278 621985 635655 746382 847540 889917 1066260 1101802 1186556 1243970 1271310 1483195 1492764 1652703 1779834 1865955 2203604 2487940 2542620 2754505 2966390 3305406 3559668 3731910 3856307 4449585 5509010 5932780 6610812 7463820 7712614 8263515 8899170 11018020 11568921 15425228 16527030 17798340 19281535 23137842 33054060 38563070 46275684 57844605 77126140 115689210 231378420
- Sum of all divisors σ(n): 823689216
- Sum of proper divisors (its aliquot sum) s(n): 592310796
- 231378420 is an abundant number, because the sum of its proper divisors (592310796) is greater than itself. Its abundance is 360932376
Bases of 231378420
- Binary: 11011100101010001101111101002
- Hexadecimal: 0xDCA8DF4
- Base-36: 3TR8QC
Squares and roots of 231378420
- 231378420 squared (2313784202) is 53535973241696400
- 231378420 cubed (2313784203) is 12387068901825991151688000
-
The
square root of 231378420 is 15211.1281632889 -
The
cube root of 231378420 is 613.9141126281
Scales and comparisons
How big is 231378420?- 231,378,420 seconds is equal to 7 years, 18 weeks, 3 days, 23 hours, 47 minutes.
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To count from 1 to 231,378,420 would take you about eleven 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 231378420 cubic inches would be around 51.2 feet tall.
Recreational maths with 231378420
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