72661390193372

Names of 72661390193372

• Cardinal: 72661390193372 can be written as Seventy-two trillion, six hundred sixty-one billion, three hundred ninety million, one hundred ninety-three thousand, three hundred seventy-two.

Scientific notation

• Scientific notation: 7.2661390193372 × 10¹³

Factors of 72661390193372

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 391140

Divisors of 72661390193372

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 4 19 38 76 881 1762 2801 3524 5602 11204 16739 33478 53219 66956 106438 212876 387437 774874 1549748 2467681 4935362 7361303 9870724 14722606 29445212 46885939 93771878 187543756 341331997 682663994 1085211037 1365327988 2170422074 4340844148 6485307943 12970615886 20619009703 25941231772 41238019406 82476038812 956070923597 1912141847194 3824283694388 18165347548343 36330695096686 72661390193372
• Sum of all divisors σ(n): 134050045560480
• Sum of proper divisors (its aliquot sum) s(n): 61388655367108
• 72661390193372 is a deficient number, because the sum of its proper divisors (61388655367108) is less than itself. Its deficiency is 11272734826264

Bases of 72661390193372

• Binary: 10000100001010111001100010110011111001011011100₂
• Hexadecimal: 0x4215CC59F2DC
• Base-36: PR86JNQVW

Squares and roots of 72661390193372

• 72661390193372 squared (72661390193372²) is 5279677624833456651552730384
• 72661390193372 cubed (72661390193372³) is 383628715993239300475862227620728339814848
• The square root of 72661390193372 is 8524165.0730949597
• The cube root of 72661390193372 is 41728.6723761415

Scales and comparisons

• 72,661,390,193,372 seconds is equal to 2,310,407 years, 23 weeks, 3 days, 10 hours, 9 minutes, 32 seconds.
• To count from 1 to 72,661,390,193,372 would take you about five million, seven hundred seventy-six thousand and eighteen 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 72661390193372 cubic inches would be around 3477.4 feet tall.

Recreational maths with 72661390193372

• 72661390193372 backwards is 27339109316627
• The number of decimal digits it has is: 14
• The sum of 72661390193372's digits is 59
• More coming soon!