21542809088

Names of 21542809088

• Cardinal: 21542809088 can be written as Twenty-one billion, five hundred forty-two million, eight hundred nine thousand and eighty-eight.

Scientific notation

• Scientific notation: 2.1542809088 × 10¹⁰

Factors of 21542809088

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 180

Divisors of 21542809088

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 16 17 32 34 41 53 64 67 68 82 106 128 134 136 164 212 256 268 272 289 328 424 512 536 544 578 656 697 848 901 1072 1088 1139 1156 1312 1394 1696 1802 2144 2173 2176 2278 2312 2624 2747 2788 3392 3551 3604 4288 4346 4352 4556 4624 5248 5494 5576 6784 7102 7208 8576 8692 8704 9112 9248 10496 10988 11152 11849 13568 14204 14416 15317 17152 17384 18224 18496 19363 20992 21976 22304 23698 27136 28408 28832 30634 34304 34768 36448 36941 36992 38726 43952 44608 46699 47396 56816 57664 60367 61268 69536 72896 73882 73984 77452 87904 89216 93398 94792 113632 115328 120734 122536 139072 145591 145792 147764 147968 154904 175808 178432 186796 189584 227264 230656 241468 245072 278144 291182 291584 295528 309808 351616 356864 373592 379168 454528 461312 482936 490144 556288 582364 583168 591056 619616 627997 703232 747184 758336 793883 909056 965872 980288 1026239 1112576 1164728 1182112 1239232 1255994 1406464 1494368 1516672 1587766 1818112 1931744 1960576 2052478 2329456 2364224 2475047 2478464 2511988 2988736 3033344 3175532 3863488 3921152 4104956 4658912 4728448 4950094 4956928 5023976 5977472 6066688 6351064 7726976 7842304 8209912 9317824 9456896 9900188 9913856 10047952 11954944 12702128 15453952 16419824 18635648 18913792 19800376 20095904 23909888 25404256 30907904 32839648 37271296 39600752 40191808 42075799 50808512 65679296 74542592 79201504 80383616 84151598 101617024 131358592 158403008 160767232 168303196 203234048 262717184 316806016 321534464 336606392 406468096 525434368 633612032 673212784 1267224064 1346425568 2692851136 5385702272 10771404544 21542809088
• Sum of all divisors σ(n): 48435743664
• Sum of proper divisors (its aliquot sum) s(n): 26892934576
• 21542809088 is an abundant number, because the sum of its proper divisors (26892934576) is greater than itself. Its abundance is 5350125488

Bases of 21542809088

• Binary: 10100000100000011010010111000000000₂
• Hexadecimal: 0x5040D2E00
• Base-36: 9WA15VK

Squares and roots of 21542809088

• 21542809088 squared (21542809088²) is 464092623402015391744
• 21542809088 cubed (21542809088³) is 9997858785098698658778523369472
• The square root of 21542809088 is 146774.6881720415
• The cube root of 21542809088 is 2782.4931952655

Scales and comparisons

• 21,542,809,088 seconds is equal to 684 years, 51 weeks, 5 days, 1 hour, 38 minutes, 8 seconds.
• To count from 1 to 21,542,809,088 would take you about one thousand, three hundred sixty-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 21542809088 cubic inches would be around 231.9 feet tall.

Recreational maths with 21542809088

• 21542809088 backwards is 88090824512
• The number of decimal digits it has is: 11
• The sum of 21542809088's digits is 47
• More coming soon!