30797970

Names of 30797970

• Cardinal: 30797970 can be written as Thirty million, seven hundred ninety-seven thousand, nine hundred seventy.

Scientific notation

• Scientific notation: 3.079797 × 10⁷

Factors of 30797970

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 131

Divisors of 30797970

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 35 41 42 49 70 73 82 98 105 123 146 147 205 210 219 245 246 287 294 343 365 410 438 490 511 574 615 686 730 735 861 1022 1029 1095 1230 1435 1470 1533 1715 1722 2009 2058 2190 2555 2870 2993 3066 3430 3577 4018 4305 5110 5145 5986 6027 7154 7665 8610 8979 10045 10290 10731 12054 14063 14965 15330 17885 17958 20090 20951 21462 25039 28126 29930 30135 35770 41902 42189 44895 50078 53655 60270 62853 70315 75117 84378 89790 104755 107310 125195 125706 140630 146657 150234 209510 210945 250390 293314 314265 375585 421890 439971 628530 733285 751170 879942 1026599 1466570 2053198 2199855 3079797 4399710 5132995 6159594 10265990 15398985 30797970
• Sum of all divisors σ(n): 89510400
• Sum of proper divisors (its aliquot sum) s(n): 58712430
• 30797970 is an abundant number, because the sum of its proper divisors (58712430) is greater than itself. Its abundance is 27914460

Bases of 30797970

• Binary: 1110101011111000010010010₂
• Hexadecimal: 0x1D5F092
• Base-36: IC3V6

Squares and roots of 30797970

• 30797970 squared (30797970²) is 948514956120900
• 30797970 cubed (30797970³) is 29212335163162794573000
• The square root of 30797970 is 5549.5918768861
• The cube root of 30797970 is 313.4541546527

Scales and comparisons

• 30,797,970 seconds is equal to 50 weeks, 6 days, 10 hours, 59 minutes, 30 seconds.
• To count from 1 to 30,797,970 would take you about twenty-four 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 30797970 cubic inches would be around 26.1 feet tall.

Recreational maths with 30797970

• 30797970 backwards is 07979703
• 30797970 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30797970's digits is 42
• More coming soon!