72149965965

Names of 72149965965

• Cardinal: 72149965965 can be written as Seventy-two billion, one hundred forty-nine million, nine hundred sixty-five thousand, nine hundred sixty-five.

Scientific notation

• Scientific notation: 7.2149965965 × 10¹⁰

Factors of 72149965965

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3614

Divisors of 72149965965

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 11 15 17 21 33 35 45 49 51 55 63 77 85 99 105 119 147 153 165 187 231 245 255 315 343 357 385 441 495 539 561 595 693 735 765 833 935 1029 1071 1155 1309 1617 1683 1715 1785 2205 2401 2499 2695 2805 3087 3465 3571 3773 3927 4165 4851 5145 5355 5831 6545 7203 7497 8085 8415 9163 10713 11319 11781 12005 12495 15435 17493 17855 18865 19635 21609 24255 24997 26411 27489 29155 32139 33957 36015 37485 39281 40817 45815 52479 53565 56595 58905 60707 64141 74991 79233 82467 87465 108045 117843 122451 124985 132055 137445 160695 169785 174979 182121 192423 196405 204085 224973 237699 262395 274967 303535 320705 353529 367353 374955 396165 412335 424949 448987 524937 546363 577269 589215 612255 667777 824901 874895 910605 962115 1124865 1188495 1224853 1274847 1346961 1374835 1574811 1767645 1836765 1924769 2003331 2124745 2244935 2474703 2624685 2731815 2886345 2974643 3338885 3674559 3824541 4040883 4124505 4674439 5774307 6009993 6124265 6374235 6734805 7874055 8573971 8923929 9623845 10016655 11023677 12373515 13473383 14023317 14873215 17322921 18372795 19122705 20204415 20822501 23372195 25721913 26771787 28871535 30049965 32721073 40420149 42069951 42869855 44619645 55118385 62467503 67366915 70116585 77165739 86614605 94313681 98163219 104112505 121260447 128609565 133858935 145757507 163605365 187402509 202100745 210349755 229047511 282941043 294489657 312337515 385828695 437272521 471568405 490816095 606302235 687142533 728787535 848823129 937012545 1145237555 1311817563 1414705215 1472448285 1603332577 2061427599 2186362605 3435712665 4244115645 4809997731 6559087815 8016662885 10307137995 14429993193 24049988655 72149965965
• Sum of all divisors σ(n): 168567137856
• Sum of proper divisors (its aliquot sum) s(n): 96417171891
• 72149965965 is an abundant number, because the sum of its proper divisors (96417171891) is greater than itself. Its abundance is 24267205926

Bases of 72149965965

• Binary: 1000011001100011110010001110010001101₂
• Hexadecimal: 0x10CC791C8D
• Base-36: X588619

Squares and roots of 72149965965

• 72149965965 squared (72149965965²) is 5205617588750658381225
• 72149965965 cubed (72149965965³) is 375585131855165369076725745007125
• The square root of 72149965965 is 268607.4570167403
• The cube root of 72149965965 is 4163.0539928723

Scales and comparisons

• 72,149,965,965 seconds is equal to 2,294 years, 7 weeks, 4 days, 1 hour, 12 minutes, 45 seconds.
• To count from 1 to 72,149,965,965 would take you about four thousand, five hundred eighty-eight 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 72149965965 cubic inches would be around 346.9 feet tall.

Recreational maths with 72149965965

• 72149965965 backwards is 56956994127
• 72149965965 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72149965965's digits is 63
• More coming soon!