149721987195

Names of 149721987195

• Cardinal: 149721987195 can be written as One hundred forty-nine billion, seven hundred twenty-one million, nine hundred eighty-seven thousand, one hundred ninety-five.

Scientific notation

• Scientific notation: 1.49721987195 × 10¹¹

Factors of 149721987195

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 146

Divisors of 149721987195

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 11 15 27 33 45 55 81 99 121 127 135 165 243 297 363 381 405 495 605 635 729 891 1089 1143 1215 1331 1397 1485 1815 1905 2187 2673 3267 3429 3645 3993 4191 4455 5445 5715 6561 6655 6985 8019 9801 10287 10935 11979 12573 13365 15367 16335 17145 19683 19965 20955 24057 29403 30861 32805 35937 37719 40095 46101 49005 51435 59049 59895 62865 72171 76835 88209 92583 98415 107811 113157 120285 138303 147015 154305 169037 177147 179685 188595 216513 230505 264627 277749 295245 323433 339471 360855 414909 441045 462915 507111 539055 565785 649539 691515 793881 833247 845185 885735 970299 1018413 1082565 1244727 1323135 1388745 1521333 1617165 1697355 1948617 2074545 2381643 2499741 2535555 2910897 3055239 3247695 3734181 3969405 4166235 4563999 4851495 5092065 6223635 7144929 7499223 7606665 8732691 9165717 9743085 11202543 11908215 12498705 13691997 14554485 15276195 18670905 21434787 22497669 22819995 26198073 27497151 33607629 35724645 37496115 41075991 43663455 45828585 56012715 68459985 78594219 82491453 100822887 107173935 112488345 123227973 130990365 137485755 168038145 205379955 235782657 247474359 302468661 369683919 392971095 412457265 504114435 616139865 907405983 1109051757 1178913285 1237371795 1512343305 1848419595 2722217949 3327155271 4537029915 5545258785 9981465813 13611089745 16635776355 29944397439 49907329065 149721987195
• Sum of all divisors σ(n): 298762813440
• Sum of proper divisors (its aliquot sum) s(n): 149040826245
• 149721987195 is a deficient number, because the sum of its proper divisors (149040826245) is less than itself. Its deficiency is 681160950

Bases of 149721987195

• Binary: 10001011011100001000000011100001111011₂
• Hexadecimal: 0x22DC20387B
• Base-36: 1WS4LSOR

Squares and roots of 149721987195

• 149721987195 squared (149721987195²) is 22416673449619743968025
• 149721987195 cubed (149721987195³) is 3356268895178463783999817539439875
• The square root of 149721987195 is 386939.2551745041
• The cube root of 149721987195 is 5310.0082303809

Scales and comparisons

• 149,721,987,195 seconds is equal to 4,760 years, 36 weeks, 1 day, 8 hours, 53 minutes, 15 seconds.
• To count from 1 to 149,721,987,195 would take you about nine thousand, five hundred twenty-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 149721987195 cubic inches would be around 442.5 feet tall.

Recreational maths with 149721987195

• 149721987195 backwards is 591789127941
• The number of decimal digits it has is: 12
• The sum of 149721987195's digits is 63
• More coming soon!