813397980
813,397,980 is an even composite number composed of six prime numbers multiplied together.
813397980 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred sixteen divisors.
Prime factorization of 813397980:
22 × 3 × 5 × 17 × 192 × 472
(2 × 2 × 3 × 5 × 17 × 19 × 19 × 47 × 47)See below for interesting mathematical facts about the number 813397980 from the Numbermatics database.
Names of 813397980
- Cardinal: 813397980 can be written as Eight hundred thirteen million, three hundred ninety-seven thousand, nine hundred eighty.
Scientific notation
- Scientific notation: 8.1339798 × 108
Factors of 813397980
Divisors of 813397980
- Number of divisors d(n): 216
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Complete list of divisors:
1 2 3 4 5 6 10 12 15 17 19 20 30 34 38 47 51 57 60 68 76 85 94 95 102 114 141 170 188 190 204 228 235 255 282 285 323 340 361 380 470 510 564 570 646 705 722 799 893 940 969 1020 1083 1140 1292 1410 1444 1598 1615 1786 1805 1938 2166 2209 2397 2679 2820 3196 3230 3572 3610 3876 3995 4332 4418 4465 4794 4845 5358 5415 6137 6460 6627 7220 7990 8836 8930 9588 9690 10716 10830 11045 11985 12274 13254 13395 15181 15980 16967 17860 18411 19380 21660 22090 23970 24548 26508 26790 30362 30685 33135 33934 36822 37553 41971 44180 45543 47940 50901 53580 60724 61370 66270 67868 73644 75106 75905 83942 84835 91086 92055 101802 112659 122740 125913 132540 150212 151810 167884 169670 182172 184110 187765 203604 209855 225318 227715 251826 254505 288439 303620 339340 368220 375530 419710 450636 455430 503652 509010 563295 576878 629565 713507 751060 797449 839420 865317 910860 1018020 1126590 1153756 1259130 1427014 1442195 1594898 1730634 2140521 2253180 2392347 2518260 2854028 2884390 3189796 3461268 3567535 3987245 4281042 4326585 4784694 5768780 7135070 7974490 8562084 8653170 9569388 10702605 11961735 13556633 14270140 15948980 17306340 21405210 23923470 27113266 40669899 42810420 47846940 54226532 67783165 81339798 135566330 162679596 203349495 271132660 406698990 813397980
- Sum of all divisors σ(n): 2600389008
- Sum of proper divisors (its aliquot sum) s(n): 1786991028
- 813397980 is an abundant number, because the sum of its proper divisors (1786991028) is greater than itself. Its abundance is 973593048
Bases of 813397980
- Binary: 1100000111101101110111110111002
- Hexadecimal: 0x307B77DC
- Base-36: DG9XWC
Squares and roots of 813397980
- 813397980 squared (8133979802) is 661616273868080400
- 813397980 cubed (8133979803) is 538157340699423383837592000
-
The
square root of 813397980 is 28520.1328888909 -
The
cube root of 813397980 is 933.4714288295
Scales and comparisons
How big is 813397980?- 813,397,980 seconds is equal to 25 years, 44 weeks, 6 days, 7 hours, 53 minutes.
-
To count from 1 to 813,397,980 would take you about thirty-eight 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 813397980 cubic inches would be around 77.8 feet tall.
Recreational maths with 813397980
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