12447447984

Names of 12447447984

• Cardinal: 12447447984 can be written as Twelve billion, four hundred forty-seven million, four hundred forty-seven thousand, nine hundred eighty-four.

Scientific notation

• Scientific notation: 1.2447447984 × 10¹⁰

Factors of 12447447984

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 78883

Divisors of 12447447984

• Number of divisors d(n): 80
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 367 432 734 1101 1468 2202 2936 3303 4404 5872 6606 8808 9909 13212 17616 19818 26424 39636 52848 78511 79272 157022 158544 235533 314044 471066 628088 706599 942132 1256176 1413198 1884264 2119797 2826396 3768528 4239594 5652792 8479188 11305584 16958376 28813537 33916752 57627074 86440611 115254148 172881222 230508296 259321833 345762444 461016592 518643666 691524888 777965499 1037287332 1383049776 1555930998 2074574664 3111861996 4149149328 6223723992 12447447984
• Sum of all divisors σ(n): 35826595840
• Sum of proper divisors (its aliquot sum) s(n): 23379147856
• 12447447984 is an abundant number, because the sum of its proper divisors (23379147856) is greater than itself. Its abundance is 10931699872

Bases of 12447447984

• Binary: 1011100101111011001111101110110000₂
• Hexadecimal: 0x2E5ECFBB0
• Base-36: 5PUW0C0

Squares and roots of 12447447984

• 12447447984 squared (12447447984²) is 154938961314385664256
• 12447447984 cubed (12447447984³) is 1928594661655803826741848059904
• The square root of 12447447984 is 111568.1315788697
• The cube root of 12447447984 is 2317.5375170139

Scales and comparisons

• 12,447,447,984 seconds is equal to 395 years, 41 weeks, 16 hours, 26 minutes, 24 seconds.
• To count from 1 to 12,447,447,984 would take you about seven hundred ninety-one 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 12447447984 cubic inches would be around 193.1 feet tall.

Recreational maths with 12447447984

• 12447447984 backwards is 48974474421
• 12447447984 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12447447984's digits is 54
• More coming soon!