20724921536

Names of 20724921536

• Cardinal: 20724921536 can be written as Twenty billion, seven hundred twenty-four million, nine hundred twenty-one thousand, five hundred thirty-six.

Scientific notation

• Scientific notation: 2.0724921536 × 10¹⁰

Factors of 20724921536

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 545

Divisors of 20724921536

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 8 11 16 19 22 31 32 38 44 62 64 76 88 124 151 152 176 209 248 302 304 331 341 352 418 496 589 604 608 662 682 704 836 992 1178 1208 1216 1324 1364 1661 1672 1984 2356 2416 2648 2728 2869 3322 3344 3641 4681 4712 4832 5296 5456 5738 6289 6479 6644 6688 7282 9362 9424 9664 10261 10592 10912 11476 12578 12958 13288 13376 14564 18724 18848 20522 21184 21824 22952 25156 25916 26576 29128 31559 37448 37696 41044 45904 49981 50312 51491 51832 53152 58256 63118 69179 74896 82088 88939 91808 99962 100624 102982 103664 106304 112871 116512 126236 138358 149792 164176 177878 183616 194959 199924 201248 205964 207328 225742 233024 252472 276716 299584 328352 355756 389918 399848 402496 411928 414656 451484 504944 549791 553432 656704 711512 779836 799696 823856 902968 949639 978329 1009888 1099582 1106864 1423024 1549411 1559672 1599392 1647712 1805936 1899278 1956658 2019776 2144549 2199164 2213728 2846048 3098822 3119344 3198784 3295424 3611872 3798556 3913316 4289098 4398328 4427456 5692096 6197644 6238688 7223744 7597112 7826632 8578196 8796656 10446029 12395288 12477376 15194224 15653264 17043521 17156392 17593312 20892058 24790576 29438809 30388448 31306528 34087042 34312784 35186624 41784116 49581152 58877618 60776896 62613056 68174084 68625568 83568232 99162304 117755236 136348168 137251136 167136464 235510472 272696336 323826899 334272928 471020944 545392672 647653798 668545856 942041888 1090785344 1295307596 1884083776 2590615192 5181230384 10362460768 20724921536
• Sum of all divisors σ(n): 49220567040
• Sum of proper divisors (its aliquot sum) s(n): 28495645504
• 20724921536 is an abundant number, because the sum of its proper divisors (28495645504) is greater than itself. Its abundance is 7770723968

Bases of 20724921536

• Binary: 10011010011010011010011010011000000₂
• Hexadecimal: 0x4D34D34C0
• Base-36: 9IR2ZSW

Squares and roots of 20724921536

• 20724921536 squared (20724921536²) is 429522372673356599296
• 20724921536 cubed (20724921536³) is 8901817471611866078157392838656
• The square root of 20724921536 is 143961.5279718855
• The cube root of 20724921536 is 2746.8248327977

Scales and comparisons

• 20,724,921,536 seconds is equal to 658 years, 51 weeks, 2 days, 18 hours, 38 minutes, 56 seconds.
• To count from 1 to 20,724,921,536 would take you about one thousand, three hundred seventeen 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 20724921536 cubic inches would be around 228.9 feet tall.

Recreational maths with 20724921536

• 20724921536 backwards is 63512942702
• The number of decimal digits it has is: 11
• The sum of 20724921536's digits is 41
• More coming soon!