21137439576

Names of 21137439576

• Cardinal: 21137439576 can be written as Twenty-one billion, one hundred thirty-seven million, four hundred thirty-nine thousand, five hundred seventy-six.

Scientific notation

• Scientific notation: 2.1137439576 × 10¹⁰

Factors of 21137439576

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 441

Divisors of 21137439576

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 11 12 22 23 24 33 44 46 66 69 88 92 109 132 138 184 218 253 264 276 293 327 436 506 552 586 654 759 872 879 1012 1172 1199 1308 1518 1758 2024 2344 2398 2507 2616 3036 3223 3516 3597 4796 5014 6072 6446 6739 7032 7194 7521 9592 9669 10028 11881 12892 13478 14388 15042 19338 20056 20217 23762 25784 26956 27577 28776 30084 31937 35643 38676 40434 47524 53912 55154 60168 63874 71286 74129 77352 80868 82731 95048 95811 110308 127748 130691 142572 148258 161736 165462 191622 220616 222387 255496 261382 273263 285144 296516 330924 351307 383244 392073 444774 522764 546526 593032 661848 702614 734551 766488 784146 819789 889548 1045528 1053921 1093052 1405228 1469102 1568292 1639578 1779096 2107842 2186104 2203653 2810456 2938204 3005893 3136584 3279156 3481133 4215684 4407306 5876408 6011786 6558312 6962266 8080061 8431368 8814612 9017679 10443399 12023572 13924532 16160122 17629224 18035358 20886798 24047144 24240183 27849064 32320244 36070716 38292463 41773596 48480366 64640488 72141432 76584926 80066059 83547192 96960732 114877389 153169852 160132118 193921464 229754778 240198177 306339704 320264236 459509556 480396354 640528472 880726649 919019112 960792708 1761453298 1921585416 2642179947 3522906596 5284359894 7045813192 10568719788 21137439576
• Sum of all divisors σ(n): 60918117120
• Sum of proper divisors (its aliquot sum) s(n): 39780677544
• 21137439576 is an abundant number, because the sum of its proper divisors (39780677544) is greater than itself. Its abundance is 18643237968

Bases of 21137439576

• Binary: 10011101011111000111011101101011000₂
• Hexadecimal: 0x4EBE3BB58
• Base-36: 9PKOORC

Squares and roots of 21137439576

• 21137439576 squared (21137439576²) is 446791351829051059776
• 21137439576 cubed (21137439576³) is 9444025202365923857433964094976
• The square root of 21137439576 is 145387.2056819307
• The cube root of 21137439576 is 2764.9299087665

Scales and comparisons

• 21,137,439,576 seconds is equal to 672 years, 5 weeks, 3 days, 6 hours, 59 minutes, 36 seconds.
• To count from 1 to 21,137,439,576 would take you about one thousand, three hundred forty-four 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 21137439576 cubic inches would be around 230.4 feet tall.

Recreational maths with 21137439576

• 21137439576 backwards is 67593473112
• The number of decimal digits it has is: 11
• The sum of 21137439576's digits is 48
• More coming soon!