38721554560805968

Names of 38721554560805968

• Cardinal: 38721554560805968 can be written as Thirty-eight quadrillion, seven hundred twenty-one trillion, five hundred fifty-four billion, five hundred sixty million, eight hundred five thousand, nine hundred sixty-eight.

Scientific notation

• Scientific notation: 3.8721554560805968 × 10¹⁶

Factors of 38721554560805968

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 138794

Divisors of 38721554560805968

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 4 8 16 73 146 292 584 1168 8329 16658 33316 48761 66632 81629 97522 133264 163258 195044 326516 390088 608017 653032 780176 1216034 1306064 2432068 3559553 4864136 5958917 7119106 9728272 11917834 14238212 23835668 28476424 47671336 56952848 95342672 406130369 679887941 812260738 1359775882 1624521476 2719551764 3249042952 3980311669 5439103528 6498085904 7960623338 10878207056 15921246676 29647516937 31842493352 49631819693 59295033874 63684986704 99263639386 118590067748 198527278772 237180135496 290562751837 397054557544 474360270992 581125503674 794109115088 1162251007348 2324502014696 4649004029392 33152015891101 66304031782202 132608063564404 265216127128808 530432254257616 2420097160050373 4840194320100746 9680388640201492 19360777280402984 38721554560805968
• Sum of all divisors σ(n): 76062346933381200
• Sum of proper divisors (its aliquot sum) s(n): 37340792372575232
• 38721554560805968 is a deficient number, because the sum of its proper divisors (37340792372575232) is less than itself. Its deficiency is 1380762188230736

Bases of 38721554560805968

• Binary: 10001001100100010000110001111000101111110110110001010000₂
• Hexadecimal: 0x89910C78BF6C50
• Base-36: AL9N8LCLB9S

Squares and roots of 38721554560805968

• 38721554560805968 squared (38721554560805968²) is 1499358787605473461371877744417024
• 38721554560805968 cubed (38721554560805968³) is 58057503100489227592472024764808499770741739999232
• The square root of 38721554560805968 is 196777932.0981038463
• The cube root of 38721554560805968 is 338312.1498102359

Scales and comparisons

• 38,721,554,560,805,968 seconds is equal to 1,231,225,661 years, 20 weeks, 6 days, 1 hour, 39 minutes, 28 seconds.
• To count from 1 to 38,721,554,560,805,968 would take you about three billion, six hundred ninety-three million, six hundred seventy-six thousand, nine 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 38721554560805968 cubic inches would be around 28192.7 feet tall.

Recreational maths with 38721554560805968

• 38721554560805968 backwards is 86950806545512783
• The number of decimal digits it has is: 17
• The sum of 38721554560805968's digits is 82
• More coming soon!