21275688448

Names of 21275688448

• Cardinal: 21275688448 can be written as Twenty-one billion, two hundred seventy-five million, six hundred eighty-eight thousand, four hundred forty-eight.

Scientific notation

• Scientific notation: 2.1275688448 × 10¹⁰

Factors of 21275688448

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 712

Divisors of 21275688448

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 79 112 128 158 163 224 256 316 326 448 461 512 553 632 652 896 922 1106 1141 1264 1304 1792 1844 2212 2282 2528 2608 3227 3584 3688 4424 4564 5056 5216 6454 7376 8848 9128 10112 10432 12877 12908 14752 17696 18256 20224 20864 25754 25816 29504 35392 36419 36512 40448 41728 51508 51632 59008 70784 72838 73024 75143 83456 90139 103016 103264 118016 141568 145676 146048 150286 180278 206032 206528 236032 254933 283136 291352 292096 300572 360556 412064 413056 509866 526001 582704 584192 601144 721112 824128 826112 1019732 1052002 1165408 1202288 1442224 1648256 1652224 2039464 2104004 2330816 2404576 2884448 3296512 4078928 4208008 4661632 4809152 5768896 5936297 6593024 8157856 8416016 9323264 9618304 11537792 11872594 16315712 16832032 18646528 19236608 23075584 23745188 32631424 33664064 38473216 41554079 46151168 47490376 65262848 67328128 83108158 94980752 130525696 134656256 166216316 189961504 269312512 332432632 379923008 664865264 759846016 1329730528 1519692032 2659461056 3039384064 5318922112 10637844224 21275688448
• Sum of all divisors σ(n): 49606824960
• Sum of proper divisors (its aliquot sum) s(n): 28331136512
• 21275688448 is an abundant number, because the sum of its proper divisors (28331136512) is greater than itself. Its abundance is 7055448064

Bases of 21275688448

• Binary: 10011110100001000010011111000000000₂
• Hexadecimal: 0x4F4213E00
• Base-36: 9RUZU9S

Squares and roots of 21275688448

• 21275688448 squared (21275688448²) is 452654918936360648704
• 21275688448 cubed (21275688448³) is 9630545029744704700793478971392
• The square root of 21275688448 is 145861.8814084063
• The cube root of 21275688448 is 2770.9447983285

Scales and comparisons

• 21,275,688,448 seconds is equal to 676 years, 26 weeks, 9 hours, 27 minutes, 28 seconds.
• To count from 1 to 21,275,688,448 would take you about one thousand, three hundred fifty-three 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 21275688448 cubic inches would be around 230.9 feet tall.

Recreational maths with 21275688448

• 21275688448 backwards is 84488657212
• The number of decimal digits it has is: 11
• The sum of 21275688448's digits is 55
• More coming soon!