30749766915

Names of 30749766915

• Cardinal: 30749766915 can be written as Thirty billion, seven hundred forty-nine million, seven hundred sixty-six thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 3.0749766915 × 10¹⁰

Factors of 30749766915

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 354

Divisors of 30749766915

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 5 7 15 19 21 31 35 41 57 67 93 95 105 123 133 155 181 201 205 217 285 287 335 399 465 469 543 589 615 651 665 779 861 905 1005 1085 1267 1271 1273 1407 1435 1767 1995 2077 2337 2345 2715 2747 2945 3255 3439 3801 3813 3819 3895 4123 4305 5453 5611 6231 6335 6355 6365 7035 7421 8241 8835 8897 8911 10317 10385 11685 12127 12369 13735 14539 16359 16833 17195 19005 19065 19095 19229 20615 22263 24073 24149 26691 26733 27265 28055 31155 36381 37105 39277 39463 41205 43617 44485 44555 51585 51947 52193 57687 60635 61845 72219 72447 72695 81795 84165 84889 85157 96145 106609 111315 117831 118389 120365 120745 133455 133665 140999 155841 156579 169043 181905 196385 197315 218085 230051 230413 254667 255471 259735 260965 276241 288435 319827 361095 362235 365351 375937 422997 424445 425785 497207 507129 533045 589155 591945 596099 690153 691239 704995 746263 779205 782895 828723 845215 986993 1096053 1127811 1150255 1152065 1273335 1277355 1381205 1491621 1599135 1610357 1612891 1617983 1788297 1826755 1879685 2114985 2238789 2486035 2535645 2631559 2960979 2980495 3450765 3456195 3480449 3731315 4143615 4370969 4831071 4838673 4853949 4934965 5480265 5639055 7142803 7458105 7894677 8051785 8064455 8089915 8941485 9446933 10441347 11193945 11325881 13112907 13157795 14804895 15413417 17402245 21428409 21854845 24155355 24193365 24269745 28340799 30596783 33977643 35714015 39473385 46240251 47234665 49999621 52206735 56629405 65564535 66128531 77067085 91790349 107142045 107893919 141703995 149998863 152983915 169888215 198385593 231201255 249998105 292854923 323681757 330642655 458951745 539469595 749994315 878564769 991927965 1464274615 1618408785 2049984461 4392823845 6149953383 10249922305 30749766915
• Sum of all divisors σ(n): 63872040960
• Sum of proper divisors (its aliquot sum) s(n): 33122274045
• 30749766915 is an abundant number, because the sum of its proper divisors (33122274045) is greater than itself. Its abundance is 2372507130

Bases of 30749766915

• Binary: 11100101000110101000011010100000011₂
• Hexadecimal: 0x728D43503
• Base-36: E4JM803

Squares and roots of 30749766915

• 30749766915 squared (30749766915²) is 945548165326828617225
• 30749766915 cubed (30749766915³) is 29075385690705864775820504110875
• The square root of 30749766915 is 175356.1145640493
• The cube root of 30749766915 is 3132.9053621815

Scales and comparisons

• 30,749,766,915 seconds is equal to 977 years, 38 weeks, 6 days, 1 hour, 55 minutes, 15 seconds.
• To count from 1 to 30,749,766,915 would take you about one thousand, nine hundred fifty-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 30749766915 cubic inches would be around 261.1 feet tall.

Recreational maths with 30749766915

• 30749766915 backwards is 51966794703
• 30749766915 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 30749766915's digits is 57
• More coming soon!