72085657338

Names of 72085657338

• Cardinal: 72085657338 can be written as Seventy-two billion, eighty-five million, six hundred fifty-seven thousand, three hundred thirty-eight.

Scientific notation

• Scientific notation: 7.2085657338 × 10¹⁰

Factors of 72085657338

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 10004

Divisors of 72085657338

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 9 18 29 58 87 174 261 503 522 841 1006 1509 1682 2523 3018 4527 5046 7569 9054 9467 14587 15138 18934 28401 29174 43761 56802 85203 87522 131283 170406 262566 274543 423023 549086 823629 846046 1269069 1647258 2470887 2538138 3807207 4761901 4941774 7614414 7961747 9523802 14285703 15923494 23885241 28571406 42857109 47770482 71655723 85714218 138095129 143311446 276190258 414285387 828570774 1242856161 2485712322 4004758741 8009517482 12014276223 24028552446 36042828669 72085657338
• Sum of all divisors σ(n): 162095719968
• Sum of proper divisors (its aliquot sum) s(n): 90010062630
• 72085657338 is an abundant number, because the sum of its proper divisors (90010062630) is greater than itself. Its abundance is 17924405292

Bases of 72085657338

• Binary: 1000011001000101000111101011011111010₂
• Hexadecimal: 0x10C8A3D6FA
• Base-36: X45XT6I

Squares and roots of 72085657338

• 72085657338 squared (72085657338²) is 5196341993851553246244
• 72085657338 cubed (72085657338³) is 374581728379842770147806519538472
• The square root of 72085657338 is 268487.7228813267
• The cube root of 72085657338 is 4161.8167556649

Scales and comparisons

• 72,085,657,338 seconds is equal to 2,292 years, 5 weeks, 1 day, 17 hours, 42 minutes, 18 seconds.
• To count from 1 to 72,085,657,338 would take you about four thousand, five hundred eighty-four 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 72085657338 cubic inches would be around 346.8 feet tall.

Recreational maths with 72085657338

• 72085657338 backwards is 83375658027
• The number of decimal digits it has is: 11
• The sum of 72085657338's digits is 54
• More coming soon!