21104458172

Names of 21104458172

• Cardinal: 21104458172 can be written as Twenty-one billion, one hundred four million, four hundred fifty-eight thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 2.1104458172 × 10¹⁰

Factors of 21104458172

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1147

Divisors of 21104458172

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 14 17 28 34 49 53 68 98 106 119 127 196 212 238 254 371 476 508 742 833 889 901 941 1484 1666 1778 1802 1882 2159 2597 3332 3556 3604 3764 4318 5194 6223 6307 6587 6731 8636 10388 12446 12614 13174 13462 15113 15997 24892 25228 26348 26924 30226 31994 44149 46109 47117 49873 60452 63988 88298 92218 94234 99746 105791 111979 114427 119507 176596 184436 188468 199492 211582 223958 228854 239014 329819 349111 423164 447916 457708 478028 659638 698222 783853 800989 836549 847841 1319276 1396444 1567706 1601978 1673098 1695682 2031619 2443777 3135412 3203956 3346196 3391364 4063238 4887554 5606923 5855843 5934887 6333871 8126476 9775108 11213846 11711686 11869774 12667742 14221333 22427692 23423372 23739548 25335484 28442666 41544209 44337097 56885332 83088418 88674194 99549331 107675807 166176836 177348388 199098662 215351614 310359679 398197324 430703228 620719358 753730649 1241438716 1507461298 3014922596 5276114543 10552229086 21104458172
• Sum of all divisors σ(n): 46762748928
• Sum of proper divisors (its aliquot sum) s(n): 25658290756
• 21104458172 is an abundant number, because the sum of its proper divisors (25658290756) is greater than itself. Its abundance is 4553832584

Bases of 21104458172

• Binary: 10011101001111011000111100110111100₂
• Hexadecimal: 0x4E9EC79BC
• Base-36: 9P11S58

Squares and roots of 21104458172

• 21104458172 squared (21104458172²) is 445398154733697581584
• 21104458172 cubed (21104458172³) is 9399886726463304409437085504448
• The square root of 21104458172 is 145273.7353137175
• The cube root of 21104458172 is 2763.4910914695

Scales and comparisons

• 21,104,458,172 seconds is equal to 671 years, 2 weeks, 6 days, 13 hours, 29 minutes, 32 seconds.
• To count from 1 to 21,104,458,172 would take you about one thousand, three hundred forty-two 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 21104458172 cubic inches would be around 230.3 feet tall.

Recreational maths with 21104458172

• 21104458172 backwards is 27185440112
• The number of decimal digits it has is: 11
• The sum of 21104458172's digits is 35
• More coming soon!