21216648348

Names of 21216648348

• Cardinal: 21216648348 can be written as Twenty-one billion, two hundred sixteen million, six hundred forty-eight thousand, three hundred forty-eight.

Scientific notation

• Scientific notation: 2.1216648348 × 10¹⁰

Factors of 21216648348

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1486

Divisors of 21216648348

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 28 36 41 42 63 82 84 123 126 164 246 252 287 369 492 574 738 861 1148 1433 1476 1722 2583 2866 3444 4299 5166 5732 8598 10031 10332 12897 17196 20062 25794 30093 40124 51588 58753 60186 90279 117506 120372 176259 180558 235012 352518 361116 411271 528777 705036 822542 1057554 1233813 1645084 2053489 2115108 2467626 3701439 4106978 4935252 6160467 7402878 8213956 12320934 14374423 14805756 18481401 24641868 28748846 36962802 43123269 57497692 73925604 84193049 86246538 129369807 168386098 172493076 252579147 258739614 336772196 505158294 517479228 589351343 757737441 1010316588 1178702686 1515474882 1768054029 2357405372 3030949764 3536108058 5304162087 7072216116 10608324174 21216648348
• Sum of all divisors σ(n): 62831325648
• Sum of proper divisors (its aliquot sum) s(n): 41614677300
• 21216648348 is an abundant number, because the sum of its proper divisors (41614677300) is greater than itself. Its abundance is 20398028952

Bases of 21216648348

• Binary: 10011110000100111000101110010011100₂
• Hexadecimal: 0x4F09C5C9C
• Base-36: 9QVUEN0

Squares and roots of 21216648348

• 21216648348 squared (21216648348²) is 450146167122691129104
• 21216648348 cubed (21216648348³) is 9550592933042176657618636320192
• The square root of 21216648348 is 145659.3572277455
• The cube root of 21216648348 is 2768.3792970307

Scales and comparisons

• 21,216,648,348 seconds is equal to 674 years, 32 weeks, 3 days, 1 hour, 25 minutes, 48 seconds.
• To count from 1 to 21,216,648,348 would take you about one thousand, three hundred forty-nine 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 21216648348 cubic inches would be around 230.7 feet tall.

Recreational maths with 21216648348

• 21216648348 backwards is 84384661212
• The number of decimal digits it has is: 11
• The sum of 21216648348's digits is 45
• More coming soon!