39930645688718521

Names of 39930645688718521

• Cardinal: 39930645688718521 can be written as Thirty-nine quadrillion, nine hundred thirty trillion, six hundred forty-five billion, six hundred eighty-eight million, seven hundred eighteen thousand, five hundred twenty-one.

Scientific notation

• Scientific notation: 3.9930645688718521 × 10¹⁶

Factors of 39930645688718521

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 259

Divisors of 39930645688718521

• Number of divisors d(n): 75
• Complete list of divisors:
  1 11 109 121 139 1199 1331 1529 11881 13189 14641 15151 16819 19321 130691 145079 166661 185009 212531 1295029 1437601 1595869 1651459 1833271 2035099 2105989 2337841 14245319 15813611 18166049 20165981 23165879 25716251 141158161 156698509 173949721 180009031 199826539 221825791 229552801 254824669 282878761 1552739771 1723683599 1980099341 2198091929 2525080811 2803071359 17080137481 18960519589 19620984379 21781092751 24179011219 25021255309 27775888921 30833784949 187881512291 215830828169 239592020261 275233808399 305534778131 2066696635201 2374139109859 2635512222871 2727316828681 3027571892389 3360882559441 26115530208449 30000485115491 33303290816279 287270832292939 330005336270401 366336198979069 3630058698974411 39930645688718521
• Sum of all divisors σ(n): 44651352262237305
• Sum of proper divisors (its aliquot sum) s(n): 4720706573518784
• 39930645688718521 is a deficient number, because the sum of its proper divisors (4720706573518784) is less than itself. Its deficiency is 35209939115199737

Bases of 39930645688718521

• Binary: 10001101110111001011010111101111111011011001010010111001₂
• Hexadecimal: 0x8DDCB5EFED94B9
• Base-36: AX68DE0CCZD

Squares and roots of 39930645688718521

• 39930645688718521 squared (39930645688718521²) is 1594456465117975008285291168427441
• 39930645688718521 cubed (39930645688718521³) is 63667676174712441629651858589319834403154061334761
• 39930645688718521 is a perfect square number. Its square root is 199826539
• The cube root of 39930645688718521 is 341797.4179819775

Scales and comparisons

• 39,930,645,688,718,521 seconds is equal to 1,269,671,019 years, 15 weeks, 5 days, 20 hours, 2 minutes, 1 second.
• To count from 1 to 39,930,645,688,718,521 would take you about three billion, eight hundred nine million, thirteen thousand and fifty-seven 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 39930645688718521 cubic inches would be around 28483.1 feet tall.

Recreational maths with 39930645688718521

• 39930645688718521 backwards is 12581788654603993
• The number of decimal digits it has is: 17
• The sum of 39930645688718521's digits is 85
• More coming soon!