1216973340

Names of 1216973340

• Cardinal: 1216973340 can be written as One billion, two hundred sixteen million, nine hundred seventy-three thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.21697334 × 10⁹

Factors of 1216973340

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 614654

Divisors of 1216973340

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 30 33 36 44 45 55 60 66 90 99 110 132 165 180 198 220 330 396 495 660 990 1980 614633 1229266 1843899 2458532 3073165 3687798 5531697 6146330 6760963 7375596 9219495 11063394 12292660 13521926 18438990 20282889 22126788 27043852 27658485 33804815 36877980 40565778 55316970 60848667 67609630 81131556 101414445 110633940 121697334 135219260 202828890 243394668 304243335 405657780 608486670 1216973340
• Sum of all divisors σ(n): 4027081968
• Sum of proper divisors (its aliquot sum) s(n): 2810108628
• 1216973340 is an abundant number, because the sum of its proper divisors (2810108628) is greater than itself. Its abundance is 1593135288

Bases of 1216973340

• Binary: 1001000100010011000101000011100₂
• Hexadecimal: 0x48898A1C
• Base-36: K4JYN0

Squares and roots of 1216973340

• 1216973340 squared (1216973340²) is 1481024110270755600
• 1216973340 cubed (1216973340³) is 1802366858096729746855704000
• The square root of 1216973340 is 34885.1449760493
• The cube root of 1216973340 is 1067.6453710437

Scales and comparisons

• 1,216,973,340 seconds is equal to 38 years, 36 weeks, 1 day, 8 hours, 9 minutes.
• To count from 1 to 1,216,973,340 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 1216973340 cubic inches would be around 89 feet tall.

Recreational maths with 1216973340

• 1216973340 backwards is 0433796121
• 1216973340 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1216973340's digits is 36
• More coming soon!