21144832488

Names of 21144832488

• Cardinal: 21144832488 can be written as Twenty-one billion, one hundred forty-four million, eight hundred thirty-two thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1144832488 × 10¹⁰

Factors of 21144832488

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4706

Divisors of 21144832488

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 36 39 52 54 72 78 104 108 117 127 156 169 216 234 254 312 338 351 381 468 507 508 676 702 762 936 1014 1016 1143 1352 1404 1521 1524 1651 2028 2286 2808 3042 3048 3302 3429 4056 4561 4563 4572 4953 6084 6604 6858 9122 9126 9144 9906 12168 13208 13683 13716 14859 18244 18252 19812 21463 27366 27432 29718 36488 36504 39624 41049 42926 44577 54732 59293 59436 64389 82098 85852 89154 109464 118586 118872 123147 128778 164196 171704 177879 178308 193167 237172 246294 257556 328392 355758 356616 386334 474344 492588 515112 533637 579247 579501 711516 770809 772668 985176 1067274 1158494 1159002 1423032 1541618 1545336 1600911 1737741 2134548 2312427 2316988 2318004 3083236 3201822 3475482 4269096 4624854 4633976 4636008 5213223 6166472 6403644 6937281 6950964 7530211 9249708 10426446 12807288 13874562 13901928 15060422 15639669 18499416 20811843 20852892 22590633 27749124 30120844 31279338 41623686 41705784 45181266 55498248 60241688 62558676 67771899 83247372 90362532 97892743 125117352 135543798 166494744 180725064 195785486 203315697 271087596 293678229 391570972 406631394 542175192 587356458 783141944 813262788 881034687 1174712916 1626525576 1762069374 2349425832 2643104061 3524138748 5286208122 7048277496 10572416244 21144832488
• Sum of all divisors σ(n): 64116172800
• Sum of proper divisors (its aliquot sum) s(n): 42971340312
• 21144832488 is an abundant number, because the sum of its proper divisors (42971340312) is greater than itself. Its abundance is 21826507824

Bases of 21144832488

• Binary: 10011101100010101001000100111101000₂
• Hexadecimal: 0x4EC5489E8
• Base-36: 9PP3560

Squares and roots of 21144832488

• 21144832488 squared (21144832488²) is 447103940945580270144
• 21144832488 cubed (21144832488³) is 9453937936018939136152667638272
• The square root of 21144832488 is 145412.6283649395
• The cube root of 21144832488 is 2765.2522199717

Scales and comparisons

• 21,144,832,488 seconds is equal to 672 years, 17 weeks, 4 days, 20 hours, 34 minutes, 48 seconds.
• To count from 1 to 21,144,832,488 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 21144832488 cubic inches would be around 230.4 feet tall.

Recreational maths with 21144832488

• 21144832488 backwards is 88423844112
• The number of decimal digits it has is: 11
• The sum of 21144832488's digits is 45
• More coming soon!