72345393315

Names of 72345393315

• Cardinal: 72345393315 can be written as Seventy-two billion, three hundred forty-five million, three hundred ninety-three thousand, three hundred fifteen.

Scientific notation

• Scientific notation: 7.2345393315 × 10¹⁰

Factors of 72345393315

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1143

Divisors of 72345393315

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 9 13 15 29 31 39 45 65 87 93 117 145 151 155 195 261 279 377 403 435 453 465 585 755 899 911 1131 1209 1305 1359 1395 1885 1963 2015 2265 2697 2733 3393 3627 4379 4495 4555 4681 5655 5889 6045 6795 8091 8199 9815 11687 11843 13137 13485 13665 14043 16965 17667 18135 21895 23405 26419 28241 29445 35061 35529 39411 40455 40995 42129 56927 58435 59215 60853 65685 70215 79257 84723 88335 105183 106587 132095 135749 137561 141205 170781 175305 177645 182559 197055 210645 237771 254169 284635 304265 343447 367133 396285 407247 412683 423615 512343 525915 532935 547677 678745 687805 818989 853905 912795 1030341 1101399 1188855 1221741 1238049 1270845 1717235 1764737 1788293 1835665 2036235 2063415 2456967 2561715 2738385 3091023 3304197 3989269 4094945 4264391 5151705 5294211 5364879 5506995 6108705 6190245 7370901 8823685 8941465 10646857 11967807 12284835 12793173 15455115 15882633 16094637 16520985 19946345 21321955 26471055 26824395 31940571 35903421 36854505 38379519 51860497 53234285 55437083 59839035 63965865 79413165 80473185 95821713 123667339 155581491 159702855 166311249 179517105 191897595 259302485 277185415 371002017 466744473 479108565 498933747 618336695 777907455 831556245 1113006051 1607675407 1855010085 2333722365 2494668735 4823026221 5565030255 8038377035 14469078663 24115131105 72345393315
• Sum of all divisors σ(n): 145322311680
• Sum of proper divisors (its aliquot sum) s(n): 72976918365
• 72345393315 is an abundant number, because the sum of its proper divisors (72976918365) is greater than itself. Its abundance is 631525050

Bases of 72345393315

• Binary: 1000011011000000111110001100010100011₂
• Hexadecimal: 0x10D81F18A3
• Base-36: X8GKUQR

Squares and roots of 72345393315

• 72345393315 squared (72345393315²) is 5233855933902046689225
• 72345393315 cubed (72345393315³) is 378645366092190210415476197530875
• The square root of 72345393315 is 268970.9897275169
• The cube root of 72345393315 is 4166.8093245415

Scales and comparisons

• 72,345,393,315 seconds is equal to 2,300 years, 18 weeks, 4 days, 22 hours, 35 minutes, 15 seconds.
• To count from 1 to 72,345,393,315 would take you about four thousand, six hundred 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 72345393315 cubic inches would be around 347.2 feet tall.

Recreational maths with 72345393315

• 72345393315 backwards is 51339354327
• 72345393315 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 72345393315's digits is 45
• More coming soon!