30511040

Names of 30511040

• Cardinal: 30511040 can be written as Thirty million, five hundred eleven thousand and forty.

Scientific notation

• Scientific notation: 3.051104 × 10⁷

Factors of 30511040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 324

Divisors of 30511040

• Number of divisors d(n): 112
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 53 56 64 70 80 106 112 140 160 212 224 257 265 280 320 371 424 448 514 530 560 742 848 1028 1060 1120 1285 1484 1696 1799 1855 2056 2120 2240 2570 2968 3392 3598 3710 4112 4240 5140 5936 7196 7420 8224 8480 8995 10280 11872 13621 14392 14840 16448 16960 17990 20560 23744 27242 28784 29680 35980 41120 54484 57568 59360 68105 71960 82240 95347 108968 115136 118720 136210 143920 190694 217936 272420 287840 381388 435872 476735 544840 575680 762776 871744 953470 1089680 1525552 1906940 2179360 3051104 3813880 4358720 6102208 7627760 15255520 30511040
• Sum of all divisors σ(n): 84929472
• Sum of proper divisors (its aliquot sum) s(n): 54418432
• 30511040 is an abundant number, because the sum of its proper divisors (54418432) is greater than itself. Its abundance is 23907392

Bases of 30511040

• Binary: 1110100011000111111000000₂
• Hexadecimal: 0x1D18FC0
• Base-36: I5YGW

Squares and roots of 30511040

• 30511040 squared (30511040²) is 930923561881600
• 30511040 cubed (30511040³) is 28403446033511972864000
• The square root of 30511040 is 5523.6799327985
• The cube root of 30511040 is 312.4776816061

Scales and comparisons

• 30,511,040 seconds is equal to 50 weeks, 3 days, 3 hours, 17 minutes, 20 seconds.
• To count from 1 to 30,511,040 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 30511040 cubic inches would be around 26 feet tall.

Recreational maths with 30511040

• 30511040 backwards is 04011503
• 30511040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30511040's digits is 14
• More coming soon!