72738693225

Names of 72738693225

• Cardinal: 72738693225 can be written as Seventy-two billion, seven hundred thirty-eight million, six hundred ninety-three thousand, two hundred twenty-five.

Scientific notation

• Scientific notation: 7.2738693225 × 10¹⁰

Factors of 72738693225

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2505

Divisors of 72738693225

• Number of divisors d(n): 216
• Complete list of divisors:
  1 3 5 9 11 15 19 25 27 33 45 55 57 75 95 99 121 135 165 171 209 225 275 285 297 361 363 475 495 513 605 627 675 825 855 1045 1083 1089 1425 1485 1805 1815 1881 2299 2467 2475 2565 3025 3135 3249 3267 3971 4275 5225 5415 5445 5643 6897 7401 7425 9025 9075 9405 9747 11495 11913 12335 12825 15675 16245 16335 19855 20691 22203 27075 27137 27225 28215 34485 35739 37005 43681 46873 47025 48735 57475 59565 61675 62073 66609 81225 81411 81675 99275 103455 107217 111015 131043 135685 140619 141075 172425 178695 185025 218405 234365 243675 244233 297825 298507 310365 333045 393129 407055 421857 515603 517275 536085 555075 655215 678425 703095 732699 890587 893475 895521 1092025 1171825 1179387 1221165 1265571 1492535 1546809 1551825 1665225 1965645 2035275 2109285 2578015 2671761 2680425 2686563 3276075 3515475 3663495 4452935 4477605 4640427 5671633 5896935 6105825 6327855 7462675 7734045 8015283 8059689 9796457 9828225 10546425 12890075 13358805 13432815 13921281 17014899 18317475 22264675 22388025 23202135 24045849 28358165 29389371 29484675 31639275 38670225 40076415 40298445 48982285 51044697 66794025 67164075 69606405 85074495 88168113 107761027 116010675 120229245 141790825 146946855 153134091 200382075 201492225 244911425 255223485 264504339 323283081 348032025 425372475 440840565 538805135 601146225 734734275 765670455 969849243 1276117425 1322521695 1616415405 2204202825 2694025675 2909547729 3828352275 4849246215 6612608475 8082077025 14547738645 24246231075 72738693225
• Sum of all divisors σ(n): 155075595360
• Sum of proper divisors (its aliquot sum) s(n): 82336902135
• 72738693225 is an abundant number, because the sum of its proper divisors (82336902135) is greater than itself. Its abundance is 9598208910

Bases of 72738693225

• Binary: 1000011101111100100000110000001101001₂
• Hexadecimal: 0x10EF906069
• Base-36: XEYQMW9

Squares and roots of 72738693225

• 72738693225 squared (72738693225²) is 5290917492080660900625
• 72738693225 cubed (72738693225³) is 384854424335241560205814085765625
• The square root of 72738693225 is 269701.1183235991
• The cube root of 72738693225 is 4174.3465237517

Scales and comparisons

• 72,738,693,225 seconds is equal to 2,312 years, 45 weeks, 33 minutes, 45 seconds.
• To count from 1 to 72,738,693,225 would take you about four thousand, six hundred twenty-five 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 72738693225 cubic inches would be around 347.9 feet tall.

Recreational maths with 72738693225

• 72738693225 backwards is 52239683727
• The number of decimal digits it has is: 11
• The sum of 72738693225's digits is 54
• More coming soon!