21113442944

Names of 21113442944

• Cardinal: 21113442944 can be written as Twenty-one billion, one hundred thirteen million, four hundred forty-two thousand, nine hundred forty-four.

Scientific notation

• Scientific notation: 2.1113442944 × 10¹⁰

Factors of 21113442944

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 172

Divisors of 21113442944

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 11 16 17 22 32 34 44 53 64 68 88 89 106 121 128 136 176 178 187 212 242 272 289 352 356 374 424 484 544 578 583 704 712 748 848 901 968 979 1088 1156 1166 1408 1424 1496 1513 1696 1802 1936 1958 2057 2176 2312 2332 2848 2992 3026 3179 3392 3604 3872 3916 4114 4624 4664 4717 5696 5984 6052 6358 6413 6784 7208 7744 7832 8228 9248 9328 9434 9911 10769 11392 11968 12104 12716 12826 14416 15317 15488 15664 16456 16643 18496 18656 18868 19822 21538 23936 24208 25432 25652 25721 28832 30634 31328 32912 33286 34969 36992 37312 37736 39644 43076 48416 50864 51304 51442 51887 57664 61268 62656 65824 66572 69938 74624 75472 79288 80189 86152 96832 101728 102608 102884 103774 109021 115328 122536 125312 131648 133144 139876 150944 158576 160378 168487 172304 183073 193664 203456 205216 205768 207548 218042 245072 263296 266288 279752 282931 301888 317152 320756 336974 344608 366146 406912 410432 411536 415096 436084 490144 532576 559504 565862 570757 603776 634304 641512 673948 689216 732292 820864 823072 830192 872168 882079 980288 1065152 1119008 1131724 1141514 1268608 1283024 1347896 1363213 1378432 1464584 1646144 1660384 1744336 1764158 1853357 1960576 2130304 2238016 2263448 2283028 2566048 2695792 2726426 2929168 3112241 3292288 3320768 3488672 3528316 3706714 4476032 4526896 4566056 5132096 5391584 5452852 5858336 6224482 6641536 6977344 7056632 7413428 9053792 9132112 9702869 10264192 10783168 10905704 11716672 12448964 13954688 14113264 14826856 14995343 18107584 18264224 19405738 21566336 21811408 23433344 24897928 28226528 29653712 29990686 36215168 36528448 38811476 43622816 49795856 56453056 59307424 59981372 73056896 77622952 87245632 99591712 112906112 118614848 119962744 155245904 164948773 174491264 199183424 237229696 239925488 310491808 329897546 398366848 479850976 620983616 659795092 959701952 1241967232 1319590184 1919403904 2639180368 5278360736 10556721472 21113442944
• Sum of all divisors σ(n): 50601858300
• Sum of proper divisors (its aliquot sum) s(n): 29488415356
• 21113442944 is an abundant number, because the sum of its proper divisors (29488415356) is greater than itself. Its abundance is 8374972412

Bases of 21113442944

• Binary: 10011101010011101011001001010000000₂
• Hexadecimal: 0x4EA759280
• Base-36: 9P6ECU8

Squares and roots of 21113442944

• 21113442944 squared (21113442944²) is 445777472949543387136
• 21113442944 cubed (21113442944³) is 9411897240840687695148439568384
• The square root of 21113442944 is 145304.6556170863
• The cube root of 21113442944 is 2763.8832015865

Scales and comparisons

• 21,113,442,944 seconds is equal to 671 years, 17 weeks, 5 days, 13 hours, 15 minutes, 44 seconds.
• To count from 1 to 21,113,442,944 would take you about one thousand, three hundred forty-two 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 21113442944 cubic inches would be around 230.3 feet tall.

Recreational maths with 21113442944

• 21113442944 backwards is 44924431112
• The number of decimal digits it has is: 11
• The sum of 21113442944's digits is 35
• More coming soon!