20896722728

Names of 20896722728

• Cardinal: 20896722728 can be written as Twenty billion, eight hundred ninety-six million, seven hundred twenty-two thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.0896722728 × 10¹⁰

Factors of 20896722728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 556

Divisors of 20896722728

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 17 19 28 34 38 43 56 67 68 76 86 119 133 134 136 152 172 238 266 268 301 323 344 401 469 476 532 536 602 646 731 802 817 938 952 1064 1139 1204 1273 1292 1462 1604 1634 1876 2261 2278 2408 2546 2584 2807 2881 2924 3208 3268 3752 4522 4556 5092 5117 5614 5719 5762 5848 6536 6817 7619 7973 8911 9044 9112 10184 10234 11228 11438 11524 13634 13889 15238 15946 17243 17822 18088 20167 20468 21641 22456 22876 23048 26867 27268 27778 30476 31892 34486 35644 40334 40936 43282 45752 47719 48977 53333 53734 54536 54739 55556 60952 63784 68972 71288 80668 86564 95438 97223 97954 106666 107468 109478 111112 120701 129523 137944 151487 161336 173128 188069 190876 194446 195908 213332 214936 218956 241402 259046 293131 302974 327617 342839 376138 381752 383173 388892 391816 426664 437912 456739 482804 510473 518092 586262 605948 655234 685678 752276 766346 777784 906661 913478 930563 965608 1020946 1036184 1155281 1172524 1211896 1310468 1371356 1504552 1532692 1813322 1826956 1861126 2041892 2051917 2293319 2310562 2345048 2620936 2742712 3065384 3197173 3573311 3626644 3653912 3722252 4083784 4103834 4586638 4621124 5569489 6394346 6513941 7146622 7253288 7444504 8086967 8207668 8678041 9173276 9242248 11138978 12788692 13027882 14293244 16173934 16415336 17356082 18346552 19639777 21950339 22277956 25577384 26055764 28586488 32347868 34712164 38986423 39279554 43900678 44555912 52111528 60746287 64695736 69424328 77972846 78559108 87801356 121492574 137478439 153652373 155945692 157118216 175602712 242985148 274956878 307304746 311891384 373155763 485970296 549913756 614609492 746311526 1099827512 1229218984 1492623052 2612090341 2985246104 5224180682 10448361364 20896722728
• Sum of all divisors σ(n): 51960268800
• Sum of proper divisors (its aliquot sum) s(n): 31063546072
• 20896722728 is an abundant number, because the sum of its proper divisors (31063546072) is greater than itself. Its abundance is 10166823344

Bases of 20896722728

• Binary: 10011011101100010101010111100101000₂
• Hexadecimal: 0x4DD8AAF28
• Base-36: 9LLDAG8

Squares and roots of 20896722728

• 20896722728 squared (20896722728²) is 436673020770911761984
• 20896722728 cubed (20896722728³) is 9125035037847927897933579172352
• The square root of 20896722728 is 144556.9878214125
• The cube root of 20896722728 is 2754.3939773053

Scales and comparisons

• 20,896,722,728 seconds is equal to 664 years, 23 weeks, 3 days, 5 hours, 12 minutes, 8 seconds.
• To count from 1 to 20,896,722,728 would take you about one thousand, three hundred twenty-eight 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 20896722728 cubic inches would be around 229.5 feet tall.

Recreational maths with 20896722728

• 20896722728 backwards is 82722769802
• The number of decimal digits it has is: 11
• The sum of 20896722728's digits is 53
• More coming soon!