21393316800

Names of 21393316800

• Cardinal: 21393316800 can be written as Twenty-one billion, three hundred ninety-three million, three hundred sixteen thousand, eight hundred.

Scientific notation

• Scientific notation: 2.13933168 × 10¹⁰

Factors of 21393316800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 619

Divisors of 21393316800

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 25 30 32 34 36 40 45 48 50 51 60 64 68 72 75 80 85 90 96 100 102 120 136 144 150 153 160 170 180 192 200 204 225 240 255 272 281 288 300 306 311 320 340 360 400 408 425 450 480 510 544 562 576 600 612 622 680 720 765 800 816 843 850 900 933 960 1020 1088 1124 1200 1224 1244 1275 1360 1405 1440 1530 1555 1600 1632 1686 1700 1800 1866 2040 2248 2400 2448 2488 2529 2550 2720 2799 2810 2880 3060 3110 3264 3372 3400 3600 3732 3825 4080 4215 4496 4665 4777 4800 4896 4976 5058 5100 5287 5440 5598 5620 6120 6220 6744 6800 7025 7200 7464 7650 7775 8160 8430 8992 9330 9554 9792 9952 10116 10200 10574 11196 11240 12240 12440 12645 13488 13600 13995 14050 14331 14400 14928 15300 15550 15861 16320 16860 17984 18660 19108 19904 20232 20400 21075 21148 22392 22480 23325 23885 24480 24880 25290 26435 26976 27200 27990 28100 28662 29856 30600 31100 31722 33720 37320 38216 40464 40800 42150 42296 42993 44784 44960 46650 47583 47770 48960 49760 50580 52870 53952 55980 56200 57324 59712 61200 62200 63225 63444 67440 69975 71655 74640 76432 79305 80928 81600 84300 84592 85986 87391 89568 89920 93300 95166 95540 99520 101160 105740 111960 112400 114648 119425 122400 124400 126450 126888 132175 134880 139950 143310 149280 152864 158610 161856 168600 169184 171972 174782 179136 186600 190332 191080 202320 211480 214965 223920 224800 229296 237915 238850 244800 248800 252900 253776 262173 264350 269760 279900 286620 298560 305728 317220 337200 338368 343944 349564 358275 373200 380664 382160 396525 404640 422960 429930 436955 447840 449600 458592 475830 477700 497600 505800 507552 524346 528700 559800 573240 634440 674400 687888 699128 716550 746400 761328 764320 786519 793050 809280 845920 859860 873910 895680 917184 951660 955400 1011600 1015104 1048692 1057400 1074825 1119600 1146480 1189575 1268880 1310865 1348800 1375776 1398256 1433100 1485647 1492800 1522656 1528640 1573038 1586100 1691840 1719720 1747820 1903320 1910800 2023200 2097384 2114800 2149650 2184775 2239200 2292960 2379150 2537760 2621730 2751552 2796512 2866200 2971294 3045312 3146076 3172200 3439440 3495640 3806640 3821600 3932595 4046400 4194768 4229600 4299300 4369550 4456941 4478400 4585920 4758300 5075520 5243460 5593024 5732400 5942588 6292152 6344400 6554325 6878880 6991280 7428235 7613280 7643200 7865190 8389536 8459200 8598600 8739100 8913882 9516600 10486920 11464800 11885176 12584304 12688800 13108650 13370823 13757760 13982560 14856470 15226560 15730380 16779072 17197200 17478200 17827764 19033200 19662975 20973840 22284705 22929600 23770352 25168608 25377600 26217300 26741646 27965120 29712940 31460760 34394400 34956400 35655528 37141175 38066400 39325950 41947680 44569410 47540704 50337216 52434600 53483292 59425880 62921520 66854115 68788800 69912800 71311056 74282350 76132800 78651900 83895360 89138820 95081408 104869200 106966584 111423525 118851760 125843040 133708230 139825600 142622112 148564700 157303800 178277640 209738400 213933168 222847050 237703520 251686080 267416460 285244224 297129400 314607600 334270575 356555280 419476800 427866336 445694100 475407040 534832920 594258800 629215200 668541150 713110560 855732672 891388200 1069665840 1188517600 1258430400 1337082300 1426221120 1782776400 2139331680 2377035200 2674164600 3565552800 4278663360 5348329200 7131105600 10696658400 21393316800
• Sum of all divisors σ(n): 81055963872
• Sum of proper divisors (its aliquot sum) s(n): 59662647072
• 21393316800 is an abundant number, because the sum of its proper divisors (59662647072) is greater than itself. Its abundance is 38269330272

Bases of 21393316800

• Binary: 10011111011001001000001101111000000₂
• Hexadecimal: 0x4FB241BC0
• Base-36: 9TT10W0

Squares and roots of 21393316800

• 21393316800 squared (21393316800²) is 457674003705162240000
• 21393316800 cubed (21393316800³) is 9791164952388909595717632000000
• The square root of 21393316800 is 146264.5438922229
• The cube root of 21393316800 is 2776.0420532515

Scales and comparisons

• 21,393,316,800 seconds is equal to 680 years, 12 weeks, 3 days, 20 hours.
• To count from 1 to 21,393,316,800 would take you about one thousand, three hundred sixty 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 21393316800 cubic inches would be around 231.3 feet tall.

Recreational maths with 21393316800

• 21393316800 backwards is 00861339312
• 21393316800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21393316800's digits is 36
• More coming soon!