21422979144

Names of 21422979144

• Cardinal: 21422979144 can be written as Twenty-one billion, four hundred twenty-two million, nine hundred seventy-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 2.1422979144 × 10¹⁰

Factors of 21422979144

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1192

Divisors of 21422979144

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 27 28 36 42 49 54 56 63 72 81 84 98 108 126 147 162 168 189 196 216 239 243 252 294 324 378 392 441 478 486 504 567 588 648 717 756 882 941 956 972 1134 1176 1323 1434 1512 1673 1701 1764 1882 1912 1944 2151 2268 2646 2823 2868 3346 3402 3528 3764 3969 4302 4536 5019 5292 5646 5736 6453 6587 6692 6804 7528 7938 8469 8604 10038 10584 11292 11711 11907 12906 13174 13384 13608 15057 15876 16938 17208 19359 19761 20076 22584 23422 23814 25407 25812 26348 30114 31752 33876 35133 38718 39522 40152 45171 46109 46844 47628 50814 51624 52696 58077 59283 60228 67752 70266 76221 77436 79044 90342 92218 93688 95256 101628 105399 116154 118566 120456 135513 138327 140532 152442 154872 158088 177849 180684 184436 203256 210798 224899 228663 232308 237132 271026 276654 281064 304884 316197 355698 361368 368872 406539 414981 421596 449798 457326 464616 474264 533547 542052 553308 609768 632394 674697 711396 813078 829962 843192 899596 914652 948591 1067094 1084104 1106616 1244943 1264788 1349394 1422792 1574293 1600641 1626156 1659924 1799192 1829304 1897182 2024091 2134188 2489886 2529576 2698788 2845773 3148586 3201282 3252312 3319848 3734829 3794364 4048182 4268376 4722879 4979772 5397576 5691546 6072273 6297172 6402564 7469658 7588728 8096364 9445758 9959544 11020051 11204487 11383092 12144546 12594344 12805128 14168637 14939316 16192728 18216819 18891516 22040102 22408974 22766184 24289092 28337274 29878632 33060153 36433638 37783032 42505911 44080204 44817948 48578184 54650457 56674548 66120306 72867276 85011822 88160408 89635896 99180459 109300914 113349096 127517733 132240612 145734552 170023644 198360918 218601828 255035466 264481224 297541377 340047288 382553199 396721836 437203656 510070932 595082754 765106398 793443672 892624131 1020141864 1190165508 1530212796 1785248262 2380331016 2677872393 3060425592 3570496524 5355744786 7140993048 10711489572 21422979144
• Sum of all divisors σ(n): 70360617600
• Sum of proper divisors (its aliquot sum) s(n): 48937638456
• 21422979144 is an abundant number, because the sum of its proper divisors (48937638456) is greater than itself. Its abundance is 27514659312

Bases of 21422979144

• Binary: 10011111100111010001011100001001000₂
• Hexadecimal: 0x4FCE8B848
• Base-36: 9UAOSI0

Squares and roots of 21422979144

• 21422979144 squared (21422979144²) is 458944035404258972736
• 21422979144 cubed (21422979144³) is 9831948498728637581698192617984
• The square root of 21422979144 is 146365.9084076617
• The cube root of 21422979144 is 2777.3244769033

Scales and comparisons

• 21,422,979,144 seconds is equal to 681 years, 9 weeks, 4 days, 3 hours, 32 minutes, 24 seconds.
• To count from 1 to 21,422,979,144 would take you about one thousand, three hundred sixty-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 21422979144 cubic inches would be around 231.4 feet tall.

Recreational maths with 21422979144

• 21422979144 backwards is 44197922412
• The number of decimal digits it has is: 11
• The sum of 21422979144's digits is 45
• More coming soon!