1216323225

Names of 1216323225

• Cardinal: 1216323225 can be written as One billion, two hundred sixteen million, three hundred twenty-three thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 1.216323225 × 10⁹

Factors of 1216323225

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 500

Divisors of 1216323225

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 9 13 15 17 25 39 45 51 61 65 75 85 117 153 183 195 221 225 255 305 325 401 425 549 585 663 765 793 915 975 1037 1105 1203 1275 1525 1989 2005 2379 2745 2925 3111 3315 3609 3825 3965 4575 5185 5213 5525 6015 6817 7137 9333 9945 10025 11895 13481 13725 15555 15639 16575 18045 19825 20451 24461 25925 26065 30075 34085 35685 40443 46665 46917 49725 59475 61353 67405 73383 77775 78195 88621 90225 102255 121329 122305 130325 170425 178425 202215 220149 233325 234585 265863 306765 317993 337025 366915 390975 415837 443105 511275 606645 611525 797589 953979 1011075 1100745 1172925 1247511 1329315 1533825 1589965 1834575 2079185 2215525 2861937 3033225 3742533 3987945 4769895 5405881 5503725 6237555 6646575 7949825 10395925 14309685 16217643 18712665 19939725 23849475 27029405 31187775 48652929 71548425 81088215 93563325 135147025 243264645 405441075 1216323225
• Sum of all divisors σ(n): 2531181744
• Sum of proper divisors (its aliquot sum) s(n): 1314858519
• 1216323225 is an abundant number, because the sum of its proper divisors (1314858519) is greater than itself. Its abundance is 98535294

Bases of 1216323225

• Binary: 1001000011111111001111010011001₂
• Hexadecimal: 0x487F9E99
• Base-36: K46109

Squares and roots of 1216323225

• 1216323225 squared (1216323225²) is 1479442187674400625
• 1216323225 cubed (1216323225³) is 1799479892913182218142015625
• The square root of 1216323225 is 34875.8257966745
• The cube root of 1216323225 is 1067.4552228347

Scales and comparisons

• 1,216,323,225 seconds is equal to 38 years, 35 weeks, 19 hours, 33 minutes, 45 seconds.
• To count from 1 to 1,216,323,225 would take you about seventy-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 1216323225 cubic inches would be around 89 feet tall.

Recreational maths with 1216323225

• 1216323225 backwards is 5223236121
• The number of decimal digits it has is: 10
• The sum of 1216323225's digits is 27
• More coming soon!