72684963988

Names of 72684963988

• Cardinal: 72684963988 can be written as Seventy-two billion, six hundred eighty-four million, nine hundred sixty-three thousand, nine hundred eighty-eight.

Scientific notation

• Scientific notation: 7.2684963988 × 10¹⁰

Factors of 72684963988

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 131

Divisors of 72684963988

• Number of divisors d(n): 126
• Complete list of divisors:
  1 2 4 7 13 14 26 28 49 52 91 98 109 182 196 218 343 364 436 637 686 763 1274 1372 1417 1526 2401 2548 2834 3052 4459 4802 5341 5668 8918 9604 9919 10682 11881 16807 17836 19838 21364 23762 31213 33614 37387 39676 47524 62426 67228 69433 74774 83167 117649 124852 138866 149548 154453 166334 218491 235298 261709 277732 308906 332668 436982 470596 486031 523418 582169 617812 873964 972062 1046836 1081171 1164338 1529437 1831963 1944124 2162342 2328676 3058874 3402217 3663926 4075183 4324684 6117748 6804434 7327852 7568197 8150366 12823741 13608868 15136394 16300732 23815519 25647482 28526281 30272788 47631038 51294964 52977379 57052562 95262076 105954758 114105124 166708633 199683967 211909516 333417266 370841653 399367934 666834532 741683306 798735868 1397787769 1483366612 2595891571 2795575538 5191783142 5591151076 10383566284 18171240997 36342481994 72684963988
• Sum of all divisors σ(n): 161293171326
• Sum of proper divisors (its aliquot sum) s(n): 88608207338
• 72684963988 is an abundant number, because the sum of its proper divisors (88608207338) is greater than itself. Its abundance is 15923243350

Bases of 72684963988

• Binary: 1000011101100010111001000100010010100₂
• Hexadecimal: 0x10EC5C8894
• Base-36: XE2R15G

Squares and roots of 72684963988

• 72684963988 squared (72684963988²) is 5283103989936856864144
• 72684963988 cubed (72684963988³) is 384002223253419555564217248446272
• The square root of 72684963988 is 269601.4910715441
• The cube root of 72684963988 is 4173.3184615663

Scales and comparisons

• 72,684,963,988 seconds is equal to 2,311 years, 8 weeks, 1 day, 3 hours, 46 minutes, 28 seconds.
• To count from 1 to 72,684,963,988 would take you about four thousand, six hundred twenty-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 72684963988 cubic inches would be around 347.8 feet tall.

Recreational maths with 72684963988

• 72684963988 backwards is 88936948627
• The number of decimal digits it has is: 11
• The sum of 72684963988's digits is 70
• More coming soon!