21722751072

Names of 21722751072

• Cardinal: 21722751072 can be written as Twenty-one billion, seven hundred twenty-two million, seven hundred fifty-one thousand and seventy-two.

Scientific notation

• Scientific notation: 2.1722751072 × 10¹⁰

Factors of 21722751072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 40134

Divisors of 21722751072

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 27 32 33 36 38 44 48 54 57 66 72 76 81 88 96 99 108 114 132 144 152 162 171 176 198 209 216 228 264 288 297 304 324 342 352 396 418 432 456 513 528 594 608 627 648 684 792 836 864 891 912 1026 1056 1188 1254 1296 1368 1539 1584 1672 1782 1824 1881 2052 2376 2508 2592 2736 3078 3168 3344 3564 3762 4104 4752 5016 5472 5643 6156 6688 7128 7524 8208 9504 10032 11286 12312 14256 15048 16416 16929 20064 22572 24624 28512 30096 33858 40099 45144 49248 60192 67716 80198 90288 120297 135432 160396 180576 240594 270864 320792 360891 441089 481188 541728 641584 721782 761881 882178 962376 1082673 1283168 1323267 1443564 1523762 1764356 1924752 2165346 2285643 2646534 2887128 3047524 3248019 3528712 3849504 3969801 4330692 4571286 5293068 5774256 6095048 6496038 6856929 7057424 7939602 8380691 8661384 9142572 10586136 11548512 11909403 12190096 12992076 13713858 14114848 15879204 16761382 17322768 18285144 20570787 21172272 23818806 24380192 25142073 25984152 27427716 31758408 33522764 34645536 35728209 36570288 41141574 42344544 47637612 50284146 51968304 54855432 61712361 63516816 67045528 71456418 73140576 75426219 82283148 95275224 100568292 103936608 109710864 123424722 127033632 134091056 142912836 150852438 164566296 190550448 201136584 219421728 226278657 246849444 268182112 285825672 301704876 329132592 381100896 402273168 452557314 493698888 571651344 603409752 658265184 678835971 804546336 905114628 987397776 1143302688 1206819504 1357671942 1810229256 1974795552 2413639008 2715343884 3620458512 5430687768 7240917024 10861375536 21722751072
• Sum of all divisors σ(n): 73363752000
• Sum of proper divisors (its aliquot sum) s(n): 51641000928
• 21722751072 is an abundant number, because the sum of its proper divisors (51641000928) is greater than itself. Its abundance is 29918249856

Bases of 21722751072

• Binary: 10100001110110001101110000001100000₂
• Hexadecimal: 0x50EC6E060
• Base-36: 9Z95Y00

Squares and roots of 21722751072

• 21722751072 squared (21722751072²) is 471877914136077149184
• 21722751072 cubed (21722751072³) is 10250486465152593846311439925248
• The square root of 21722751072 is 147386.4005666737
• The cube root of 21722751072 is 2790.2188936825

Scales and comparisons

• 21,722,751,072 seconds is equal to 690 years, 37 weeks, 1 day, 17 hours, 31 minutes, 12 seconds.
• To count from 1 to 21,722,751,072 would take you about one thousand, three hundred eighty-one 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 21722751072 cubic inches would be around 232.5 feet tall.

Recreational maths with 21722751072

• 21722751072 backwards is 27015722712
• 21722751072 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21722751072's digits is 36
• More coming soon!