30521040

Names of 30521040

• Cardinal: 30521040 can be written as Thirty million, five hundred twenty-one thousand and forty.

Scientific notation

• Scientific notation: 3.052104 × 10⁷

Factors of 30521040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1072

Divisors of 30521040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 16 20 22 24 30 33 40 44 48 55 60 66 80 88 110 120 121 132 165 176 220 240 242 264 330 363 440 484 528 605 660 726 880 968 1051 1210 1320 1452 1815 1936 2102 2420 2640 2904 3153 3630 4204 4840 5255 5808 6306 7260 8408 9680 10510 11561 12612 14520 15765 16816 21020 23122 25224 29040 31530 34683 42040 46244 50448 57805 63060 69366 84080 92488 115610 126120 127171 138732 173415 184976 231220 252240 254342 277464 346830 381513 462440 508684 554928 635855 693660 763026 924880 1017368 1271710 1387320 1526052 1907565 2034736 2543420 2774640 3052104 3815130 5086840 6104208 7630260 10173680 15260520 30521040
• Sum of all divisors σ(n): 104097504
• Sum of proper divisors (its aliquot sum) s(n): 73576464
• 30521040 is an abundant number, because the sum of its proper divisors (73576464) is greater than itself. Its abundance is 43055424

Bases of 30521040

• Binary: 1110100011011011011010000₂
• Hexadecimal: 0x1D1B6D0
• Base-36: I666O

Squares and roots of 30521040

• 30521040 squared (30521040²) is 931533882681600
• 30521040 cubed (30521040³) is 28431382894680420864000
• The square root of 30521040 is 5524.5850522913
• The cube root of 30521040 is 312.5118160867

Scales and comparisons

• 30,521,040 seconds is equal to 50 weeks, 3 days, 6 hours, 4 minutes.
• To count from 1 to 30,521,040 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 30521040 cubic inches would be around 26 feet tall.

Recreational maths with 30521040

• 30521040 backwards is 04012503
• 30521040 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30521040's digits is 15
• More coming soon!