30045015

Names of 30045015

• Cardinal: 30045015 can be written as Thirty million, forty-five thousand and fifteen.

Scientific notation

• Scientific notation: 3.0045015 × 10⁷

Factors of 30045015

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 91

Divisors of 30045015

• Number of divisors d(n): 192
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 23 29 33 35 39 45 55 63 65 69 77 87 91 99 105 115 117 143 145 161 165 195 203 207 231 253 261 273 299 315 319 345 377 385 429 435 455 483 495 585 609 667 693 715 759 805 819 897 957 1001 1015 1035 1131 1155 1265 1287 1305 1365 1449 1495 1595 1771 1827 1885 2001 2093 2145 2233 2277 2415 2639 2691 2871 3003 3045 3289 3335 3393 3465 3795 4095 4147 4485 4669 4785 5005 5313 5655 6003 6279 6435 6699 7245 7337 7917 8671 8855 9009 9135 9867 10005 10465 11165 11385 12441 13195 13455 14007 14355 15015 15939 16445 16965 18837 20097 20735 22011 23023 23345 23751 26013 26565 29029 29601 30015 31395 33495 36685 37323 39585 42021 43355 45045 49335 51359 60697 62205 66033 69069 70035 78039 79695 87087 94185 95381 100485 110055 115115 118755 130065 145145 148005 154077 182091 186615 207207 210105 256795 261261 286143 303485 330165 345345 390195 435435 462231 476905 546273 667667 770385 858429 910455 1036035 1306305 1430715 2003001 2311155 2731365 3338335 4292145 6009003 10015005 30045015
• Sum of all divisors σ(n): 75479040
• Sum of proper divisors (its aliquot sum) s(n): 45434025
• 30045015 is an abundant number, because the sum of its proper divisors (45434025) is greater than itself. Its abundance is 15389010

Bases of 30045015

• Binary: 1110010100111001101010111₂
• Hexadecimal: 0x1CA7357
• Base-36: HVYVR

Squares and roots of 30045015

• 30045015 squared (30045015²) is 902702926350225
• 30045015 cubed (30045015³) is 27121722962736405378375
• The square root of 30045015 is 5481.3333231979
• The cube root of 30045015 is 310.8785863401

Scales and comparisons

• 30,045,015 seconds is equal to 49 weeks, 4 days, 17 hours, 50 minutes, 15 seconds.
• To count from 1 to 30,045,015 would take you about twenty-two weeks!

  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 30045015 cubic inches would be around 25.9 feet tall.

Recreational maths with 30045015

• 30045015 backwards is 51054003
• The number of decimal digits it has is: 8
• The sum of 30045015's digits is 18
• More coming soon!