21262680768

Names of 21262680768

• Cardinal: 21262680768 can be written as Twenty-one billion, two hundred sixty-two million, six hundred eighty thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 2.1262680768 × 10¹⁰

Factors of 21262680768

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 9725

Divisors of 21262680768

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 53 56 62 64 84 93 96 106 112 124 159 168 186 192 212 217 224 248 318 336 371 372 424 434 448 496 636 651 672 742 744 848 868 992 1113 1272 1302 1344 1484 1488 1643 1696 1736 1984 2226 2544 2604 2968 2976 3286 3392 3472 4452 4929 5088 5208 5936 5952 6572 6944 8904 9629 9858 10176 10416 11501 11872 13144 13888 17808 19258 19716 20832 23002 23744 26288 28887 34503 35616 38516 39432 41664 46004 52576 57774 67403 69006 71232 77032 78864 92008 105152 115548 134806 138012 154064 157728 184016 202209 231096 269612 276024 298499 308128 315456 368032 404418 462192 510337 539224 552048 596998 616256 736064 808836 895497 924384 1020674 1078448 1104096 1193996 1531011 1617672 1790994 1848768 2041348 2089493 2156896 2208192 2387992 3062022 3235344 3572359 3581988 4082696 4178986 4313792 4775984 6124044 6268479 6470688 7144718 7163976 8165392 8357972 9551968 10717077 12248088 12536958 12941376 14289436 14327952 15820447 16330784 16715944 19103936 21434154 24496176 25073916 28578872 28655904 31640894 32661568 33431888 42868308 47461341 48992352 50147832 57157744 57311808 63281788 66863776 85736616 94922682 97984704 100295664 110743129 114315488 126563576 133727552 171473232 189845364 200591328 221486258 228630976 253127152 332229387 342946464 379690728 401182656 442972516 506254304 664458774 685892928 759381456 885945032 1012508608 1328917548 1518762912 1771890064 2657835096 3037525824 3543780128 5315670192 7087560256 10631340384 21262680768
• Sum of all divisors σ(n): 67627560960
• Sum of proper divisors (its aliquot sum) s(n): 46364880192
• 21262680768 is an abundant number, because the sum of its proper divisors (46364880192) is greater than itself. Its abundance is 25102199424

Bases of 21262680768

• Binary: 10011110011010110101100001011000000₂
• Hexadecimal: 0x4F35AC2C0
• Base-36: 9RN91HC

Squares and roots of 21262680768

• 21262680768 squared (21262680768²) is 452101593441877069824
• 21262680768 cubed (21262680768³) is 9612891856058754498366957944832
• The square root of 21262680768 is 145817.2855597031
• The cube root of 21262680768 is 2770.3799766333

Scales and comparisons

• 21,262,680,768 seconds is equal to 676 years, 4 weeks, 3 days, 20 hours, 12 minutes, 48 seconds.
• To count from 1 to 21,262,680,768 would take you about one thousand, three hundred fifty-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 21262680768 cubic inches would be around 230.9 feet tall.

Recreational maths with 21262680768

• 21262680768 backwards is 86708626212
• 21262680768 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21262680768's digits is 48
• More coming soon!