21072275189183808

Names of 21072275189183808

• Cardinal: 21072275189183808 can be written as Twenty-one quadrillion, seventy-two trillion, two hundred seventy-five billion, one hundred eighty-nine million, one hundred eighty-three thousand, eight hundred eight.

Scientific notation

• Scientific notation: 2.1072275189183808 × 10¹⁶

Factors of 21072275189183808

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 104824673971

Divisors of 21072275189183808

• Number of divisors d(n): 84
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 349 576 698 1047 1396 2094 2792 3141 4188 5584 6282 8376 11168 12564 16752 22336 25128 33504 50256 67008 100512 201024 104824673617 209649347234 314474020851 419298694468 628948041702 838597388936 943422062553 1257896083404 1677194777872 1886844125106 2515792166808 3354389555744 3773688250212 5031584333616 6708779111488 7547376500424 10063168667232 15094753000848 20126337334464 30189506001696 36583811092333 60379012003392 73167622184666 109751433276999 146335244369332 219502866553998 292670488738664 329254299830997 439005733107996 585340977477328 658508599661994 878011466215992 1170681954954656 1317017199323988 1756022932431984 2341363909909312 2634034398647976 3512045864863968 5268068797295952 7024091729727936 10536137594591904 21072275189183808
• Sum of all divisors σ(n): 60572937650161300
• Sum of proper divisors (its aliquot sum) s(n): 39500662460977492
• 21072275189183808 is an abundant number, because the sum of its proper divisors (39500662460977492) is greater than itself. Its abundance is 18428387271793684

Bases of 21072275189183808

• Binary: 1001010110111010001111101100101010000101011010101000000₂
• Hexadecimal: 0x4ADD1F6542B540
• Base-36: 5RHHXKXM8G0

Squares and roots of 21072275189183808

• 21072275189183808 squared (21072275189183808²) is 444040781648691491236913209380864
• 21072275189183808 cubed (21072275189183808³) is 9356949546121506473100299828604017061773173850112
• The square root of 21072275189183808 is 145162926.3592595395
• The cube root of 21072275189183808 is 276208.5659626361

Scales and comparisons

• 21,072,275,189,183,808 seconds is equal to 670,033,170 years, 9 weeks, 5 days, 21 hours, 16 minutes, 48 seconds.
• To count from 1 to 21,072,275,189,183,808 would take you about two billion, ten million, ninety-nine thousand, five hundred ten 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 21072275189183808 cubic inches would be around 23017.4 feet tall.

Recreational maths with 21072275189183808

• 21072275189183808 backwards is 80838198157227012
• 21072275189183808 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21072275189183808's digits is 72
• More coming soon!