72402989049

Names of 72402989049

• Cardinal: 72402989049 can be written as Seventy-two billion, four hundred two million, nine hundred eighty-nine thousand and forty-nine.

Scientific notation

• Scientific notation: 7.2402989049 × 10¹⁰

Factors of 72402989049

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 248

Divisors of 72402989049

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 9 27 43 53 129 149 159 387 447 477 1161 1341 1431 2279 2809 4023 6407 6837 7897 8427 19221 20511 22201 23691 25281 57663 61533 66603 71073 75843 120787 172989 199809 213219 339571 362361 418541 599427 954643 1018713 1087083 1176653 1255623 2863929 3056139 3261249 3529959 3766869 8591787 9168417 10589877 11300607 17997263 25775361 31769631 50596079 53991789 62362609 151788237 161975367 187087827 455364711 485926101 561263481 1366094133 1683790443 2681592187 8044776561 24134329683 72402989049
• Sum of all divisors σ(n): 112624006880
• Sum of proper divisors (its aliquot sum) s(n): 40221017831
• 72402989049 is a deficient number, because the sum of its proper divisors (40221017831) is less than itself. Its deficiency is 32181971218

Bases of 72402989049

• Binary: 1000011011011100011011110111111111001₂
• Hexadecimal: 0x10DB8DEFF9
• Base-36: X9EVBW9

Squares and roots of 72402989049

• 72402989049 squared (72402989049²) is 5242192823229613924401
• 72402989049 cubed (72402989049³) is 379550429573040129780903516884649
• The square root of 72402989049 is 269078.0352407085
• The cube root of 72402989049 is 4167.9147936043

Scales and comparisons

• 72,402,989,049 seconds is equal to 2,302 years, 9 weeks, 6 days, 13 hours, 24 minutes, 9 seconds.
• To count from 1 to 72,402,989,049 would take you about four thousand, six hundred 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 72402989049 cubic inches would be around 347.3 feet tall.

Recreational maths with 72402989049

• 72402989049 backwards is 94098920427
• The number of decimal digits it has is: 11
• The sum of 72402989049's digits is 54
• More coming soon!