21162147569728

Names of 21162147569728

• Cardinal: 21162147569728 can be written as Twenty-one trillion, one hundred sixty-two billion, one hundred forty-seven million, five hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.1162147569728 × 10¹³

Factors of 21162147569728

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 926

Divisors of 21162147569728

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 8 11 16 17 19 22 32 34 38 44 64 68 76 88 121 136 152 176 187 209 242 272 304 323 352 374 418 484 544 608 646 704 748 836 877 968 1088 1216 1292 1331 1496 1672 1754 1936 2057 2299 2584 2662 2992 3344 3508 3553 3872 4114 4598 5168 5324 5984 6688 7016 7106 7744 8228 9196 9647 10336 10648 11968 13376 14032 14212 14909 16456 16663 18392 19294 20672 21296 22627 25289 28064 28424 29818 32912 33326 36784 38588 39083 42592 45254 50578 56128 56848 59636 65824 66652 73568 77176 78166 85184 90508 101156 106117 113696 119272 131648 133304 147136 154352 156332 163999 181016 183293 202312 212234 227392 238544 266608 283271 308704 312664 327998 362032 366586 404624 424468 429913 477088 533216 566542 617408 625328 655996 724064 733172 769129 809248 848936 859826 954176 1066432 1133084 1167287 1250656 1311992 1448128 1466344 1538258 1618496 1697872 1719652 1803989 2016223 2266168 2334574 2501312 2623984 2932688 3076516 3115981 3395744 3439304 3607978 4032446 4532336 4669148 5247968 5865376 6153032 6231962 6791488 6878608 7215956 8064892 8460419 9064672 9338296 10495936 11730752 12306064 12463924 13075193 13757216 14431912 14613451 16129784 16920838 18129344 18676592 19843879 22178453 24612128 24927848 26150386 27514432 28863824 29226902 32259568 33841676 34275791 37353184 39687758 44356906 49224256 49855696 52300772 57727648 58453804 64519136 67683352 68551582 74706368 79375516 88713812 93064609 99711392 104601544 115455296 116907608 129038272 135366704 137103164 143827123 158751032 160747961 177427624 186129218 199422784 209203088 233815216 248428667 270733408 274206328 287654246 317502064 321495922 354855248 372258436 377033701 418406176 467630432 496857334 541466816 548412656 575308492 635004128 642991844 709710496 744516872 754067402 836812352 935260864 993714668 1023710699 1096825312 1150616984 1270008256 1285983688 1419420992 1489033744 1508134804 1582098353 1768227571 1987429336 2047421398 2193650624 2301233968 2571967376 2732715337 2978067488 3016269608 3164196706 3536455142 3974858672 4094842796 4602467936 5143934752 5465430674 5956134976 6032539216 6328393412 7072910284 7949717344 8189685592 9204935872 10287869504 10930861348 12065078432 12656786824 14145820568 15899434688 16379371184 17403081883 19450503281 21861722696 24130156864 25313573648 28291641136 30059868707 32758742368 34806163766 38901006562 43723445392 50627147296 56583282272 60119737414 65517484736 69612327532 77802013124 87446890784 101254294592 113166564544 120239474828 139224655064 155604026248 174893781568 240478949656 278449310128 311208052496 330658555777 480957899312 556898620256 622416104992 661317111554 961915798624 1113797240512 1244832209984 1322634223108 1923831597248 2645268446216 5290536892432 10581073784864 21162147569728
• Sum of all divisors σ(n): 51539710138560
• Sum of proper divisors (its aliquot sum) s(n): 30377562568832
• 21162147569728 is an abundant number, because the sum of its proper divisors (30377562568832) is greater than itself. Its abundance is 9215414999104

Bases of 21162147569728

• Binary: 100110011111100110010010010011110000001000000₂
• Hexadecimal: 0x133F3249E040
• Base-36: 7I1R89T8G

Squares and roots of 21162147569728

• 21162147569728 squared (21162147569728²) is 447836489762944696621993984
• 21162147569728 cubed (21162147569728³) is 9477181883472418462447996239579036516352
• The square root of 21162147569728 is 4600233.4255696199
• The cube root of 21162147569728 is 27660.0681733685

Scales and comparisons

• 21,162,147,569,728 seconds is equal to 672,890 years, 43 weeks, 2 days, 12 hours, 55 minutes, 28 seconds.
• To count from 1 to 21,162,147,569,728 would take you about one million, six hundred eighty-two thousand, two hundred twenty-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 21162147569728 cubic inches would be around 2305 feet tall.

Recreational maths with 21162147569728

• 21162147569728 backwards is 82796574126112
• The number of decimal digits it has is: 14
• The sum of 21162147569728's digits is 61
• More coming soon!