21998298672

Names of 21998298672

• Cardinal: 21998298672 can be written as Twenty-one billion, nine hundred ninety-eight million, two hundred ninety-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.1998298672 × 10¹⁰

Factors of 21998298672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1447

Divisors of 21998298672

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 67 72 84 112 126 134 144 168 201 252 268 307 336 402 469 504 536 603 614 804 921 938 1008 1061 1072 1206 1228 1407 1608 1842 1876 2122 2149 2412 2456 2763 2814 3183 3216 3684 3752 4221 4244 4298 4824 4912 5526 5628 6366 6447 7368 7427 7504 8442 8488 8596 9549 9648 11052 11256 12732 12894 14736 14854 16884 16976 17192 19098 19341 20569 22104 22281 22512 25464 25788 29708 33768 34384 38196 38682 41138 44208 44562 50928 51576 59416 61707 66843 67536 71087 76392 77364 82276 89124 103152 118832 123414 133686 142174 143983 152784 154728 164552 178248 185121 213261 246828 267372 284348 287966 309456 325727 329104 356496 370242 426522 431949 493656 497609 534744 568696 575932 639783 651454 740484 853044 863898 977181 987312 995218 1069488 1137392 1151864 1279566 1295847 1302908 1480968 1492827 1706088 1727796 1954362 1990436 2280089 2303728 2559132 2591694 2605816 2931543 2961936 2985654 3412176 3455592 3908724 3980872 4478481 4560178 5118264 5183388 5211632 5863086 5971308 6840267 6911184 7817448 7961744 8956962 9120356 10236528 10366776 11726172 11942616 13680534 15634896 17913924 18240712 20520801 20733552 21823709 23452344 23885232 27361068 35827848 36481424 41041602 43647418 46904688 54722136 65471127 71655696 82083204 87294836 109444272 130942254 152765963 164166408 174589672 196413381 261884508 305531926 328332816 349179344 392826762 458297889 523769016 611063852 785653524 916595778 1047538032 1222127704 1374893667 1571307048 1833191556 2444255408 2749787334 3142614096 3666383112 5499574668 7332766224 10999149336 21998298672
• Sum of all divisors σ(n): 71709910272
• Sum of proper divisors (its aliquot sum) s(n): 49711611600
• 21998298672 is an abundant number, because the sum of its proper divisors (49711611600) is greater than itself. Its abundance is 27713312928

Bases of 21998298672

• Binary: 10100011111001100110110011000110000₂
• Hexadecimal: 0x51F336630
• Base-36: A3T7VW0

Squares and roots of 21998298672

• 21998298672 squared (21998298672²) is 483925144462516963584
• 21998298672 cubed (21998298672³) is 10645529862777195073787379560448
• The square root of 21998298672 is 148318.2344555115
• The cube root of 21998298672 is 2801.9670986727

Scales and comparisons

• 21,998,298,672 seconds is equal to 699 years, 24 weeks, 5 days, 22 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,998,298,672 would take you about one thousand, three hundred ninety-eight 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 21998298672 cubic inches would be around 233.5 feet tall.

Recreational maths with 21998298672

• 21998298672 backwards is 27689289912
• 21998298672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21998298672's digits is 63
• More coming soon!