21276336640
21,276,336,640 is an even composite number composed of six prime numbers multiplied together.
21276336640 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 21276336640:
29 × 5 × 13 × 31 × 41 × 503
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 31 × 41 × 503)See below for interesting mathematical facts about the number 21276336640 from the Numbermatics database.
Names of 21276336640
- Cardinal: 21276336640 can be written as Twenty-one billion, two hundred seventy-six million, three hundred thirty-six thousand, six hundred forty.
Scientific notation
- Scientific notation: 2.127633664 × 1010
Factors of 21276336640
Divisors of 21276336640
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 31 32 40 41 52 62 64 65 80 82 104 124 128 130 155 160 164 205 208 248 256 260 310 320 328 403 410 416 496 503 512 520 533 620 640 656 806 820 832 992 1006 1040 1066 1240 1271 1280 1312 1612 1640 1664 1984 2012 2015 2080 2132 2480 2515 2542 2560 2624 2665 3224 3280 3328 3968 4024 4030 4160 4264 4960 5030 5084 5248 5330 6355 6448 6539 6560 6656 7936 8048 8060 8320 8528 9920 10060 10168 10496 10660 12710 12896 13078 13120 15593 15872 16096 16120 16523 16640 17056 19840 20120 20336 20623 20992 21320 25420 25792 26156 26240 31186 32192 32240 32695 33046 33280 34112 39680 40240 40672 41246 42640 50840 51584 52312 52480 62372 64384 64480 65390 66092 68224 77965 79360 80480 81344 82492 82615 85280 101680 103115 103168 104624 104960 124744 128768 128960 130780 132184 136448 155930 160960 162688 164984 165230 170560 202709 203360 206230 206336 209248 249488 257536 257920 261560 264368 268099 272896 311860 321920 325376 329968 330460 341120 405418 406720 412460 418496 498976 515840 523120 528736 536198 623720 639313 643840 650752 659936 660920 682240 810836 813440 824920 836992 997952 1013545 1031680 1046240 1057472 1072396 1247440 1278626 1287680 1319872 1321840 1340495 1364480 1621672 1626880 1649840 1673984 1995904 2027090 2092480 2114944 2144792 2494880 2557252 2639744 2643680 2680990 3196565 3243344 3253760 3299680 3347968 3991808 4054180 4184960 4229888 4289584 4989760 5114504 5279488 5287360 5361980 6393130 6486688 6599360 7983616 8108360 8311069 8369920 8459776 8579168 9979520 10229008 10558976 10574720 10723960 12786260 12973376 13198720 16216720 16622138 16739840 17158336 19959040 20458016 21149440 21447920 25572520 25946752 26397440 32433440 33244276 34316672 39918080 40916032 41555345 42298880 42895840 51145040 51893504 52794880 64866880 66488552 68633344 81832064 83110690 85791680 102290080 103787008 129733760 132977104 137266688 163664128 166221380 171583360 204580160 259467520 265954208 327328256 332442760 343166720 409160320 518935040 531908416 664885520 686333440 818320640 1063816832 1329771040 1636641280 2127633664 2659542080 4255267328 5319084160 10638168320 21276336640
- Sum of all divisors σ(n): 58208274432
- Sum of proper divisors (its aliquot sum) s(n): 36931937792
- 21276336640 is an abundant number, because the sum of its proper divisors (36931937792) is greater than itself. Its abundance is 15655601152
Bases of 21276336640
- Binary: 100111101000010101100100010000000002
- Hexadecimal: 0x4F42B2200
- Base-36: 9RVDQF4
Squares and roots of 21276336640
- 21276336640 squared (212763366402) is 452682500818606489600
- 21276336640 cubed (212763366403) is 9631425278453747248418258944000
-
The
square root of 21276336640 is 145864.1033290917 -
The
cube root of 21276336640 is 2770.9729382093
Scales and comparisons
How big is 21276336640?- 21,276,336,640 seconds is equal to 676 years, 27 weeks, 21 hours, 30 minutes, 40 seconds.
-
To count from 1 to 21,276,336,640 would take you about one thousand, three hundred fifty-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 21276336640 cubic inches would be around 230.9 feet tall.
Recreational maths with 21276336640
- 21276336640 backwards is 04663367212
- 21276336640 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 21276336640's digits is 40
- More coming soon!
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