21290509848

Names of 21290509848

• Cardinal: 21290509848 can be written as Twenty-one billion, two hundred ninety million, five hundred nine thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1290509848 × 10¹⁰

Factors of 21290509848

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 17469

Divisors of 21290509848

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 6 8 12 24 29 41 43 58 82 86 87 116 123 129 164 172 174 232 246 258 328 344 348 492 516 696 984 1032 1189 1247 1763 2378 2494 3526 3567 3741 4756 4988 5289 7052 7134 7482 9512 9976 10578 14104 14268 14964 17351 21156 28536 29928 34702 42312 51127 52053 69404 102254 104106 138808 153381 204508 208212 306762 409016 416424 503179 613524 711391 746093 1006358 1227048 1422782 1492186 1509537 2012716 2134173 2238279 2845564 2984372 3019074 4025432 4268346 4476558 5691128 5968744 6038148 8536692 8953116 12076296 17073384 17906232 20630339 21636697 30589813 41260678 43273394 61179626 61891017 64910091 82521356 86546788 91769439 122359252 123782034 129820182 165042712 173093576 183538878 244718504 247564068 259640364 367077756 495128136 519280728 734155512 887104577 1774209154 2661313731 3548418308 5322627462 7096836616 10645254924 21290509848
• Sum of all divisors σ(n): 57719692800
• Sum of proper divisors (its aliquot sum) s(n): 36429182952
• 21290509848 is an abundant number, because the sum of its proper divisors (36429182952) is greater than itself. Its abundance is 15138673104

Bases of 21290509848

• Binary: 10011110101000000110110011000011000₂
• Hexadecimal: 0x4F5036618
• Base-36: 9S3TIJC

Squares and roots of 21290509848

• 21290509848 squared (21290509848²) is 453285809587784983104
• 21290509848 cubed (21290509848³) is 9650685992987389003282225608192
• The square root of 21290509848 is 145912.6788459453
• The cube root of 21290509848 is 2771.5880951483

Scales and comparisons

• 21,290,509,848 seconds is equal to 676 years, 50 weeks, 3 days, 22 hours, 30 minutes, 48 seconds.
• To count from 1 to 21,290,509,848 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 21290509848 cubic inches would be around 231 feet tall.

Recreational maths with 21290509848

• 21290509848 backwards is 84890509212
• The number of decimal digits it has is: 11
• The sum of 21290509848's digits is 48
• More coming soon!