21017380800
21,017,380,800 is an even composite number composed of five prime numbers multiplied together.
21017380800 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 21017380800:
26 × 3 × 52 × 133 × 1993
(2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 5 × 13 × 13 × 13 × 1993)See below for interesting mathematical facts about the number 21017380800 from the Numbermatics database.
Names of 21017380800
- Cardinal: 21017380800 can be written as Twenty-one billion, seventeen million, three hundred eighty thousand, eight hundred.
Scientific notation
- Scientific notation: 2.10173808 × 1010
Factors of 21017380800
Divisors of 21017380800
- Number of divisors d(n): 336
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 25 26 30 32 39 40 48 50 52 60 64 65 75 78 80 96 100 104 120 130 150 156 160 169 192 195 200 208 240 260 300 312 320 325 338 390 400 416 480 507 520 600 624 650 676 780 800 832 845 960 975 1014 1040 1200 1248 1300 1352 1560 1600 1690 1950 1993 2028 2080 2197 2400 2496 2535 2600 2704 3120 3380 3900 3986 4056 4160 4225 4394 4800 5070 5200 5408 5979 6240 6591 6760 7800 7972 8112 8450 8788 9965 10140 10400 10816 10985 11958 12480 12675 13182 13520 15600 15944 16224 16900 17576 19930 20280 20800 21970 23916 25350 25909 26364 27040 29895 31200 31888 32448 32955 33800 35152 39860 40560 43940 47832 49825 50700 51818 52728 54080 54925 59790 62400 63776 65910 67600 70304 77727 79720 81120 87880 95664 99650 101400 103636 105456 109850 119580 127552 129545 131820 135200 140608 149475 155454 159440 162240 164775 175760 191328 199300 202800 207272 210912 219700 239160 259090 263640 270400 298950 310908 318880 329550 336817 351520 382656 388635 398600 405600 414544 421824 439400 478320 518180 527280 597900 621816 637760 647725 659100 673634 703040 777270 797200 811200 829088 878800 956640 1010451 1036360 1054560 1195800 1243632 1295450 1318200 1347268 1554540 1594400 1658176 1684085 1757600 1913280 1943175 2020902 2072720 2109120 2391600 2487264 2590900 2636400 2694536 3109080 3188800 3368170 3515200 3886350 4041804 4145440 4378621 4783200 4974528 5052255 5181800 5272800 5389072 6218160 6736340 7772700 8083608 8290880 8420425 8757242 9566400 10104510 10363600 10545600 10778144 12436320 13135863 13472680 15545400 16167216 16840850 17514484 20209020 20727200 21556288 21893105 24872640 25261275 26271726 26945360 31090800 32334432 33681700 35028968 40418040 41454400 43786210 50522550 52543452 53890720 62181600 64668864 65679315 67363400 70057936 80836080 87572420 101045100 105086904 107781440 109465525 124363200 131358630 134726800 140115872 161672160 175144840 202090200 210173808 218931050 262717260 269453600 280231744 323344320 328396575 350289680 404180400 420347616 437862100 525434520 538907200 656793150 700579360 808360800 840695232 875724200 1050869040 1313586300 1401158720 1616721600 1751448400 2101738080 2627172600 3502896800 4203476160 5254345200 7005793600 10508690400 21017380800
- Sum of all divisors σ(n): 74735598560
- Sum of proper divisors (its aliquot sum) s(n): 53718217760
- 21017380800 is an abundant number, because the sum of its proper divisors (53718217760) is greater than itself. Its abundance is 32700836960
Bases of 21017380800
- Binary: 100111001001011101111000111110000002
- Hexadecimal: 0x4E4BBC7C0
- Base-36: 9NL7ETC
Squares and roots of 21017380800
- 21017380800 squared (210173808002) is 441730295692208640000
- 21017380800 cubed (210173808003) is 9284013835459748579930112000000
-
The
square root of 21017380800 is 144973.7245158583 -
The
cube root of 21017380800 is 2759.6851142547
Scales and comparisons
How big is 21017380800?- 21,017,380,800 seconds is equal to 668 years, 14 weeks, 6 days, 17 hours, 20 minutes.
-
To count from 1 to 21,017,380,800 would take you about one thousand, three hundred thirty-six 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 21017380800 cubic inches would be around 230 feet tall.
Recreational maths with 21017380800
- 21017380800 backwards is 00808371012
- 21017380800 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21017380800's digits is 30
- More coming soon!
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