21370359808

Names of 21370359808

• Cardinal: 21370359808 can be written as Twenty-one billion, three hundred seventy million, three hundred fifty-nine thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1370359808 × 10¹⁰

Factors of 21370359808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 103

Divisors of 21370359808

• Number of divisors d(n): 260
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 41 49 53 56 64 82 98 106 112 128 164 196 212 224 256 287 328 343 371 392 424 448 512 574 656 686 742 784 848 896 1024 1148 1312 1372 1484 1568 1696 1792 2009 2048 2173 2296 2401 2597 2624 2744 2968 3136 3392 3584 4018 4096 4346 4592 4802 5194 5248 5488 5936 6272 6784 7168 8036 8692 9184 9604 10388 10496 10976 11872 12544 13568 14063 14336 15211 16072 17384 18179 18368 19208 20776 20992 21952 23744 25088 27136 28126 28672 30422 32144 34768 36358 36736 38416 41552 41984 43904 47488 50176 54272 56252 60844 64288 69536 72716 73472 76832 83104 83968 87808 94976 98441 100352 106477 108544 112504 121688 127253 128576 139072 145432 146944 153664 166208 167936 175616 189952 196882 200704 212954 217088 225008 243376 254506 257152 278144 290864 293888 307328 332416 351232 379904 393764 425908 450016 486752 509012 514304 556288 581728 587776 614656 664832 702464 745339 759808 787528 851816 900032 973504 1018024 1028608 1112576 1163456 1175552 1229312 1329664 1404928 1490678 1519616 1575056 1703632 1800064 1947008 2036048 2057216 2225152 2326912 2458624 2659328 2981356 3150112 3407264 3600128 3894016 4072096 4114432 4450304 4653824 4917248 5217373 5318656 5962712 6300224 6814528 7200256 7788032 8144192 8228864 8900608 9307648 9834496 10434746 10637312 11925424 12600448 13629056 14400512 15576064 16288384 18615296 20869492 23850848 25200896 27258112 28801024 31152128 32576768 37230592 41738984 47701696 50401792 54516224 57602048 62304256 65153536 74461184 83477968 95403392 100803584 109032448 130307072 166955936 190806784 201607168 218064896 260614144 333911872 381613568 403214336 436129792 521228288 667823744 763227136 1335647488 1526454272 2671294976 3052908544 5342589952 10685179904 21370359808
• Sum of all divisors σ(n): 52034703588
• Sum of proper divisors (its aliquot sum) s(n): 30664343780
• 21370359808 is an abundant number, because the sum of its proper divisors (30664343780) is greater than itself. Its abundance is 9293983972

Bases of 21370359808

• Binary: 10011111001110001011101000000000000₂
• Hexadecimal: 0x4F9C5D000
• Base-36: 9TFCZ5S

Squares and roots of 21370359808

• 21370359808 squared (21370359808²) is 456692278323381796864
• 21370359808 cubed (21370359808³) is 9759678309305947978341246042112
• The square root of 21370359808 is 146186.0451889989
• The cube root of 21370359808 is 2775.0487152335

Scales and comparisons

• 21,370,359,808 seconds is equal to 679 years, 26 weeks, 4 days, 3 hours, 3 minutes, 28 seconds.
• To count from 1 to 21,370,359,808 would take you about one thousand, three hundred fifty-nine 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 21370359808 cubic inches would be around 231.3 feet tall.

Recreational maths with 21370359808

• 21370359808 backwards is 80895307312
• The number of decimal digits it has is: 11
• The sum of 21370359808's digits is 46
• More coming soon!