21222918184

Names of 21222918184

• Cardinal: 21222918184 can be written as Twenty-one billion, two hundred twenty-two million, nine hundred eighteen thousand, one hundred eighty-four.

Scientific notation

• Scientific notation: 2.1222918184 × 10¹⁰

Factors of 21222918184

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3239

Divisors of 21222918184

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 8 13 17 26 31 34 52 62 68 104 124 127 136 221 248 254 403 442 508 527 806 884 1016 1054 1612 1651 1768 2108 2159 3049 3224 3302 3937 4216 4318 6098 6604 6851 7874 8636 12196 13208 13702 15748 17272 24392 27404 28067 31496 39637 51181 51833 54808 56134 66929 79274 94519 102362 103666 112268 133858 158548 189038 204724 207332 224536 267716 317096 378076 387223 409448 414664 535432 673829 756152 774446 870077 1228747 1347658 1548892 1606823 1740154 2457494 2695316 3097784 3213646 3480308 4914988 5033899 5390632 6427292 6582791 6960616 9829976 10067798 12003913 12854584 13165582 20135596 20888699 24007826 26331164 40271192 41777398 48015652 52662328 83554796 85576283 96031304 156050869 167109592 171152566 204066521 312101738 342305132 408133042 624203476 684610264 816266084 1248406952 1632532168 2652864773 5305729546 10611459092 21222918184
• Sum of all divisors σ(n): 47222784000
• Sum of proper divisors (its aliquot sum) s(n): 25999865816
• 21222918184 is an abundant number, because the sum of its proper divisors (25999865816) is greater than itself. Its abundance is 4776947632

Bases of 21222918184

• Binary: 10011110000111111000000100000101000₂
• Hexadecimal: 0x4F0FC0828
• Base-36: 9QZKSH4

Squares and roots of 21222918184

• 21222918184 squared (21222918184²) is 450412256244757857856
• 21222918184 cubed (21222918184³) is 9559062463353339096168989653504
• The square root of 21222918184 is 145680.8778941149
• The cube root of 21222918184 is 2768.6519692957

Scales and comparisons

• 21,222,918,184 seconds is equal to 674 years, 42 weeks, 5 days, 15 hours, 3 minutes, 4 seconds.
• To count from 1 to 21,222,918,184 would take you about one thousand, three hundred forty-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 21222918184 cubic inches would be around 230.7 feet tall.

Recreational maths with 21222918184

• 21222918184 backwards is 48181922212
• The number of decimal digits it has is: 11
• The sum of 21222918184's digits is 40
• More coming soon!