30502140

Names of 30502140

• Cardinal: 30502140 can be written as Thirty million, five hundred two thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.050214 × 10⁷

Factors of 30502140

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 64

Divisors of 30502140

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 3 4 5 6 10 12 15 20 23 30 31 46 60 62 69 92 93 115 124 138 155 186 230 276 310 345 372 460 465 529 620 690 713 930 961 1058 1380 1426 1587 1860 1922 2116 2139 2645 2852 2883 3174 3565 3844 4278 4805 5290 5766 6348 7130 7935 8556 9610 10580 10695 11532 14260 14415 15870 16399 19220 21390 22103 28830 31740 32798 42780 44206 49197 57660 65596 66309 81995 88412 98394 110515 132618 163990 196788 221030 245985 265236 327980 331545 442060 491970 508369 663090 983940 1016738 1326180 1525107 2033476 2541845 3050214 5083690 6100428 7625535 10167380 15251070 30502140
• Sum of all divisors σ(n): 92253672
• Sum of proper divisors (its aliquot sum) s(n): 61751532
• 30502140 is an abundant number, because the sum of its proper divisors (61751532) is greater than itself. Its abundance is 31249392

Bases of 30502140

• Binary: 1110100010110110011111100₂
• Hexadecimal: 0x1D16CFC
• Base-36: I5RLO

Squares and roots of 30502140

• 30502140 squared (30502140²) is 930380544579600
• 30502140 cubed (30502140³) is 28378597624043200344000
• The square root of 30502140 is 5522.8742516917
• The cube root of 30502140 is 312.4472956451

Scales and comparisons

• 30,502,140 seconds is equal to 50 weeks, 3 days, 49 minutes.
• To count from 1 to 30,502,140 would take you about twenty-three 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 30502140 cubic inches would be around 26 feet tall.

Recreational maths with 30502140

• 30502140 backwards is 04120503
• 30502140 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30502140's digits is 15
• More coming soon!