21642160848

Names of 21642160848

• Cardinal: 21642160848 can be written as Twenty-one billion, six hundred forty-two million, one hundred sixty thousand, eight hundred forty-eight.

Scientific notation

• Scientific notation: 2.1642160848 × 10¹⁰

Factors of 21642160848

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 836532

Divisors of 21642160848

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 49 56 66 77 84 88 98 112 132 147 154 168 176 196 231 264 294 308 336 392 462 528 539 588 616 784 924 1078 1176 1232 1617 1848 2156 2352 3234 3696 4312 6468 8624 12936 25872 836509 1673018 2509527 3346036 5019054 5855563 6692072 9201599 10038108 11711126 13384144 17566689 18403198 20076216 23422252 27604797 35133378 36806396 40152432 40988941 46844504 55209594 64411193 70266756 73612792 81977882 93689008 110419188 122966823 128822386 140533512 147225584 163955764 193233579 220838376 245933646 257644772 281067024 327911528 386467158 441676752 450878351 491867292 515289544 655823056 772934316 901756702 983734584 1030579088 1352635053 1545868632 1803513404 1967469168 2705270106 3091737264 3607026808 5410540212 7214053616 10821080424 21642160848
• Sum of all divisors σ(n): 70949432160
• Sum of proper divisors (its aliquot sum) s(n): 49307271312
• 21642160848 is an abundant number, because the sum of its proper divisors (49307271312) is greater than itself. Its abundance is 27665110464

Bases of 21642160848

• Binary: 10100001001111110010010101011010000₂
• Hexadecimal: 0x509F92AD0
• Base-36: 9XX6M6O

Squares and roots of 21642160848

• 21642160848 squared (21642160848²) is 468383126170704079104
• 21642160848 cubed (21642160848³) is 10136822955075455985378483720192
• The square root of 21642160848 is 147112.7487609419
• The cube root of 21642160848 is 2786.7640977155

Scales and comparisons

• 21,642,160,848 seconds is equal to 688 years, 7 weeks, 6 days, 23 hours, 20 minutes, 48 seconds.
• To count from 1 to 21,642,160,848 would take you about one thousand, three hundred seventy-six 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 21642160848 cubic inches would be around 232.2 feet tall.

Recreational maths with 21642160848

• 21642160848 backwards is 84806124612
• 21642160848 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21642160848's digits is 42
• More coming soon!