72197009955

Names of 72197009955

• Cardinal: 72197009955 can be written as Seventy-two billion, one hundred ninety-seven million, nine thousand, nine hundred fifty-five.

Scientific notation

• Scientific notation: 7.2197009955 × 10¹⁰

Factors of 72197009955

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 999

Divisors of 72197009955

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 15 21 31 35 45 53 63 93 105 155 159 199 217 265 279 315 371 465 477 597 651 701 795 995 1085 1113 1393 1395 1643 1791 1855 1953 2103 2385 2985 3255 3339 3505 4179 4907 4929 5565 6169 6309 6965 8215 8955 9765 10515 10547 11501 12537 14721 14787 16695 18507 20895 21731 24535 24645 30845 31545 31641 34503 37153 43183 44163 52735 55521 57505 62685 65193 73605 73829 73935 92535 94923 103509 108655 111459 129549 139499 152117 158205 172515 185765 195579 215915 220815 221487 260071 277605 325965 326957 334377 369145 388647 418497 456351 474615 517545 557295 647745 664461 697495 760585 780213 976493 977895 980871 1107435 1151743 1255491 1300355 1369053 1634785 1671885 1943235 2092485 2281755 2288699 2340639 2929479 2942613 3322305 3455229 3901065 4324469 4882465 4904355 5758715 6277455 6845265 6866097 7393447 8062201 8788437 10365687 11443495 11703195 12973407 14647395 14713065 17276145 20598291 21622345 22180341 24186603 30271283 34330485 36967235 38920221 40311005 43942185 51754129 51828435 64867035 66541023 72559809 90813849 102991455 110901705 120933015 151356415 155262387 194601105 229196857 258770645 272441547 332705115 362799045 454069245 465787161 687590571 776311935 1145984285 1362207735 1604377999 2062771713 2328935805 3437952855 4813133997 8021889995 10313858565 14439401991 24065669985 72197009955
• Sum of all divisors σ(n): 151389388800
• Sum of proper divisors (its aliquot sum) s(n): 79192378845
• 72197009955 is an abundant number, because the sum of its proper divisors (79192378845) is greater than itself. Its abundance is 6995368890

Bases of 72197009955

• Binary: 1000011001111010001101111001000100011₂
• Hexadecimal: 0x10CF46F223
• Base-36: X608HER

Squares and roots of 72197009955

• 72197009955 squared (72197009955²) is 5212408246442369102025
• 72197009955 cubed (72197009955³) is 376320290057923815392683335658875
• The square root of 72197009955 is 268695.0128956621
• The cube root of 72197009955 is 4163.9586092371

Scales and comparisons

• 72,197,009,955 seconds is equal to 2,295 years, 33 weeks, 2 days, 12 hours, 59 minutes, 15 seconds.
• To count from 1 to 72,197,009,955 would take you about four thousand, five hundred ninety-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 72197009955 cubic inches would be around 347 feet tall.

Recreational maths with 72197009955

• 72197009955 backwards is 55990079127
• The number of decimal digits it has is: 11
• The sum of 72197009955's digits is 54
• More coming soon!