21349399552

Names of 21349399552

• Cardinal: 21349399552 can be written as Twenty-one billion, three hundred forty-nine million, three hundred ninety-nine thousand, five hundred fifty-two.

Scientific notation

• Scientific notation: 2.1349399552 × 10¹⁰

Factors of 21349399552

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 228

Divisors of 21349399552

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 43 52 64 76 86 104 128 151 152 169 172 208 247 256 302 304 338 344 416 494 512 559 604 608 676 688 817 832 988 1024 1118 1208 1216 1352 1376 1634 1664 1963 1976 2236 2416 2432 2704 2752 2869 3211 3268 3328 3926 3952 4472 4832 4864 5408 5504 5738 6422 6493 6536 6656 7267 7852 7904 8944 9664 9728 10621 10816 11008 11476 12844 12986 13072 13312 14534 15704 15808 17888 19328 19456 21242 21632 22016 22952 25519 25688 25972 26144 29068 31408 31616 35776 37297 38656 42484 43264 44032 45904 51038 51376 51944 52288 58136 62816 63232 71552 74594 77312 84409 84968 86528 91808 102076 102752 103888 104576 116272 123367 125632 126464 138073 143104 149188 154624 168818 169936 173056 183616 204152 205504 207776 209152 232544 246734 251264 252928 276146 286208 298376 337636 339872 367232 408304 411008 415552 418304 465088 484861 493468 502528 552292 572416 596752 675272 679744 734464 816608 822016 831104 836608 930176 969722 986936 1005056 1097317 1104584 1193504 1350544 1359488 1468928 1603771 1633216 1644032 1662208 1860352 1939444 1973872 2010112 2194634 2209168 2387008 2701088 2718976 2937856 3207542 3266432 3288064 3324416 3720704 3878888 3947744 4389268 4418336 4774016 5402176 5437952 6415084 6532864 6648832 7441408 7757776 7895488 8778536 8836672 9548032 10804352 10875904 12830168 13065728 15515552 15790976 17557072 17673344 19096064 20849023 21608704 25660336 26131456 31031104 31581952 35114144 35346688 38192128 41698046 43217408 51320672 62062208 63163904 70228288 70693376 83396092 86434816 102641344 124124416 126327808 140456576 141386752 166792184 205282688 248248832 280913152 333584368 410565376 496497664 561826304 667168736 821130752 1123652608 1334337472 1642261504 2668674944 5337349888 10674699776 21349399552
• Sum of all divisors σ(n): 50106629760
• Sum of proper divisors (its aliquot sum) s(n): 28757230208
• 21349399552 is an abundant number, because the sum of its proper divisors (28757230208) is greater than itself. Its abundance is 7407830656

Bases of 21349399552

• Binary: 10011111000100001011111110000000000₂
• Hexadecimal: 0x4F885FC00
• Base-36: 9T2VQ4G

Squares and roots of 21349399552

• 21349399552 squared (21349399552²) is 455796861230937800704
• 21349399552 cubed (21349399552³) is 9730989304966789650889842884608
• The square root of 21349399552 is 146114.3372568207
• The cube root of 21349399552 is 2774.1411535631

Scales and comparisons

• 21,349,399,552 seconds is equal to 678 years, 43 weeks, 6 days, 12 hours, 45 minutes, 52 seconds.
• To count from 1 to 21,349,399,552 would take you about one thousand, three hundred fifty-seven 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 21349399552 cubic inches would be around 231.2 feet tall.

Recreational maths with 21349399552

• 21349399552 backwards is 25599394312
• 21349399552 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21349399552's digits is 52
• More coming soon!