21328288960

Names of 21328288960

• Cardinal: 21328288960 can be written as Twenty-one billion, three hundred twenty-eight million, two hundred eighty-eight thousand, nine hundred sixty.

Scientific notation

• Scientific notation: 2.132828896 × 10¹⁰

Factors of 21328288960

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 203

Divisors of 21328288960

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 29 32 40 43 44 55 58 64 80 86 88 110 113 116 145 160 172 176 215 220 226 232 290 319 320 344 352 430 440 452 464 473 565 580 638 688 704 860 880 904 928 946 1130 1160 1243 1247 1276 1376 1595 1720 1760 1808 1849 1856 1892 2260 2320 2365 2486 2494 2552 2752 3190 3277 3440 3520 3616 3698 3784 4520 4640 4730 4859 4972 4988 5104 6215 6235 6380 6554 6880 7232 7396 7568 9040 9245 9280 9460 9718 9944 9976 10208 12430 12470 12760 13108 13717 13760 14792 15136 16385 18080 18490 18920 19436 19888 19952 20339 20416 24295 24860 24940 25520 26216 27434 29584 30272 32770 36047 36160 36980 37840 38872 39776 39904 40678 48590 49720 49880 51040 52432 53449 53621 54868 59168 65540 68585 72094 73960 75680 77744 79552 79808 81356 97180 99440 99760 101695 102080 104864 106898 107242 109736 118336 131080 137170 140911 144188 147920 151360 155488 162712 180235 194360 198880 199520 203390 208937 209728 213796 214484 219472 262160 267245 268105 274340 281822 288376 295840 310976 325424 360470 388720 397760 399040 406780 417874 427592 428968 438944 524320 534490 536210 548680 563644 576752 589831 591680 650848 704555 720940 777440 813560 835748 855184 857936 877888 1044685 1048640 1068980 1072420 1097360 1127288 1153504 1179662 1301696 1409110 1441880 1550021 1554880 1627120 1671496 1710368 1715872 2089370 2137960 2144840 2194720 2254576 2298307 2307008 2359324 2818220 2883760 2949155 3100042 3254240 3342992 3420736 3431744 4178740 4275920 4289680 4389440 4509152 4596614 4718648 5636440 5767520 5898310 6059173 6200084 6508480 6685984 7750105 8357480 8551840 8579360 9018304 9193228 9437296 11272880 11491535 11535040 11796620 12118346 12400168 13371968 15500210 16714960 17103680 17158720 18386456 18874592 22545760 22983070 23593240 24236692 24800336 30295865 31000420 33429920 36772912 37749184 45091520 45966140 47186480 48473384 49600672 60591730 62000840 66650903 66859840 73545824 91932280 94372960 96946768 99201344 121183460 124001680 133301806 147091648 183864560 188745920 193893536 242366920 248003360 266603612 333254515 367729120 387787072 484733840 496006720 533207224 666509030 735458240 969467680 1066414448 1333018060 1938935360 2132828896 2666036120 4265657792 5332072240 10664144480 21328288960
• Sum of all divisors σ(n): 59198804640
• Sum of proper divisors (its aliquot sum) s(n): 37870515680
• 21328288960 is an abundant number, because the sum of its proper divisors (37870515680) is greater than itself. Its abundance is 16542226720

Bases of 21328288960

• Binary: 10011110111010000111101110011000000₂
• Hexadecimal: 0x4F743DCC0
• Base-36: 9SQB934

Squares and roots of 21328288960

• 21328288960 squared (21328288960²) is 454895909961257881600
• 21328288960 cubed (21328288960³) is 9702151414375850503842267136000
• The square root of 21328288960 is 146042.0794154889
• The cube root of 21328288960 is 2773.2264818505

Scales and comparisons

• 21,328,288,960 seconds is equal to 678 years, 9 weeks, 4 hours, 42 minutes, 40 seconds.
• To count from 1 to 21,328,288,960 would take you about one thousand, three hundred fifty-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 21328288960 cubic inches would be around 231.1 feet tall.

Recreational maths with 21328288960

• 21328288960 backwards is 06988282312
• The number of decimal digits it has is: 11
• The sum of 21328288960's digits is 49
• More coming soon!