72221808087

Names of 72221808087

• Cardinal: 72221808087 can be written as Seventy-two billion, two hundred twenty-one million, eight hundred eight thousand and eighty-seven.

Scientific notation

• Scientific notation: 7.2221808087 × 10¹⁰

Factors of 72221808087

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 545

Divisors of 72221808087

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 9 11 13 27 33 39 61 99 117 121 143 183 297 351 363 429 457 549 671 793 1089 1287 1371 1573 1647 2013 2379 3267 3721 3861 4113 4719 5027 5941 6039 7137 7381 8723 11163 12339 14157 15081 17823 18117 21411 22143 26169 27877 33489 40931 42471 45243 48373 53469 55297 65351 66429 78507 83631 95953 100467 122793 135729 145119 160407 165891 196053 199287 235521 250893 287859 306647 362401 368379 435357 450241 497673 532103 588159 718861 752679 863577 919941 1087203 1105137 1306071 1350723 1493019 1596309 1700497 1764477 2156583 2590731 2759823 3261609 3373117 3986411 4052169 4788927 5101491 5853133 6469749 8279469 9784827 10119351 11959233 12156507 14366781 15304473 17559399 18705467 19409247 22106461 30358053 35877699 43850521 45913419 52678197 56116401 66319383 91074159 107633097 131551563 158034591 168349203 198958149 205760137 243171071 394654689 505047609 596874447 617280411 729513213 1183964067 1851841233 2188539639 2674881781 5555523699 6565618917 8024645343 24073936029 72221808087
• Sum of all divisors σ(n): 129045090720
• Sum of proper divisors (its aliquot sum) s(n): 56823282633
• 72221808087 is a deficient number, because the sum of its proper divisors (56823282633) is less than itself. Its deficiency is 15398525454

Bases of 72221808087

• Binary: 1000011010000110000010101010111010111₂
• Hexadecimal: 0x10D0C155D7
• Base-36: X6EZZRR

Squares and roots of 72221808087

• 72221808087 squared (72221808087²) is 5215989563355458599569
• 72221808087 cubed (72221808087³) is 376708197228452858741946098914503
• The square root of 72221808087 is 268741.1544348949
• The cube root of 72221808087 is 4164.4352983003

Scales and comparisons

• 72,221,808,087 seconds is equal to 2,296 years, 22 weeks, 2 days, 13 hours, 21 minutes, 27 seconds.
• To count from 1 to 72,221,808,087 would take you about four thousand, five hundred ninety-two 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 72221808087 cubic inches would be around 347 feet tall.

Recreational maths with 72221808087

• 72221808087 backwards is 78080812227
• The number of decimal digits it has is: 11
• The sum of 72221808087's digits is 45
• More coming soon!