21018602332

Names of 21018602332

• Cardinal: 21018602332 can be written as Twenty-one billion, eighteen million, six hundred two thousand, three hundred thirty-two.

Scientific notation

• Scientific notation: 2.1018602332 × 10¹⁰

Factors of 21018602332

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 408

Divisors of 21018602332

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 13 14 19 26 28 38 49 52 76 91 98 133 169 182 196 247 266 338 343 364 367 494 532 637 676 686 734 931 988 1183 1274 1372 1468 1729 1862 2197 2366 2548 2569 3211 3458 3724 4394 4459 4732 4771 5138 6422 6517 6916 6973 8281 8788 8918 9542 10276 12103 12844 13034 13946 15379 16562 17836 17983 19084 22477 24206 26068 27892 30758 33124 33397 35966 41743 44954 48412 48811 57967 61516 62023 66794 71932 83486 84721 89908 90649 97622 107653 115934 124046 125881 133588 157339 166972 169442 181298 195244 215306 231868 233779 248092 251762 292201 314678 338884 341677 362596 430612 434161 467558 503524 584402 629356 634543 683354 753571 806299 868322 935116 1101373 1168804 1178437 1269086 1366708 1507142 1612598 1636453 1736644 2045407 2202746 2356874 2391739 2538172 3014284 3039127 3225196 3272906 4090814 4405492 4441801 4713748 4783478 5644093 6078254 6545812 8181628 8249059 8883602 9566956 11288186 12156508 14317849 15319681 16498118 17767204 21273889 22576372 28635698 30639362 31092607 32996236 39508651 42547778 57271396 57743413 61278724 62185214 79017302 85095556 107237767 115486826 124370428 158034604 214475534 230973652 276560557 404203891 428951068 553121114 750664369 808407782 1106242228 1501328738 1616815564 3002657476 5254650583 10509301166 21018602332
• Sum of all divisors σ(n): 49047040000
• Sum of proper divisors (its aliquot sum) s(n): 28028437668
• 21018602332 is an abundant number, because the sum of its proper divisors (28028437668) is greater than itself. Its abundance is 7009835336

Bases of 21018602332

• Binary: 10011100100110011100110101101011100₂
• Hexadecimal: 0x4E4CE6B5C
• Base-36: 9NLXLCS

Squares and roots of 21018602332

• 21018602332 squared (21018602332²) is 441781643990755838224
• 21018602332 cubed (21018602332³) is 9285632692618894447737581138368
• The square root of 21018602332 is 144977.9373973847
• The cube root of 21018602332 is 2759.7385775989

Scales and comparisons

• 21,018,602,332 seconds is equal to 668 years, 16 weeks, 6 days, 20 hours, 38 minutes, 52 seconds.
• To count from 1 to 21,018,602,332 would take you about one thousand, three hundred thirty-six 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 21018602332 cubic inches would be around 230 feet tall.

Recreational maths with 21018602332

• 21018602332 backwards is 23320681012
• 21018602332 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21018602332's digits is 28
• More coming soon!