30705480

Names of 30705480

• Cardinal: 30705480 can be written as Thirty million, seven hundred five thousand, four hundred eighty.

Scientific notation

• Scientific notation: 3.070548 × 10⁷

Factors of 30705480

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 23

Divisors of 30705480

• Number of divisors d(n): 176
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 20 24 26 27 30 36 39 40 45 52 54 60 65 72 78 81 90 104 108 117 120 130 135 156 162 180 195 216 234 243 260 270 312 324 351 360 390 405 468 486 520 540 585 648 702 729 780 810 936 972 1053 1080 1170 1215 1404 1458 1560 1620 1755 1944 2106 2187 2340 2430 2808 2916 3159 3240 3510 3645 4212 4374 4680 4860 5265 5832 6318 6561 7020 7290 8424 8748 9477 9720 10530 10935 12636 13122 14040 14580 15795 17496 18954 19683 21060 21870 25272 26244 28431 29160 31590 32805 37908 39366 42120 43740 47385 52488 56862 59049 63180 65610 75816 78732 85293 87480 94770 98415 113724 118098 126360 131220 142155 157464 170586 189540 196830 227448 236196 255879 262440 284310 295245 341172 379080 393660 426465 472392 511758 568620 590490 682344 767637 787320 852930 1023516 1137240 1180980 1279395 1535274 1705860 2047032 2361960 2558790 3070548 3411720 3838185 5117580 6141096 7676370 10235160 15352740 30705480
• Sum of all divisors σ(n): 111601980
• Sum of proper divisors (its aliquot sum) s(n): 80896500
• 30705480 is an abundant number, because the sum of its proper divisors (80896500) is greater than itself. Its abundance is 50191020

Bases of 30705480

• Binary: 1110101001000011101001000₂
• Hexadecimal: 0x1D48748
• Base-36: IA4I0

Squares and roots of 30705480

• 30705480 squared (30705480²) is 942826502030400
• 30705480 cubed (30705480³) is 28949940301564406592000
• The square root of 30705480 is 5541.2525659819
• The cube root of 30705480 is 313.1400598729

Scales and comparisons

• 30,705,480 seconds is equal to 50 weeks, 5 days, 9 hours, 18 minutes.
• To count from 1 to 30,705,480 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 30705480 cubic inches would be around 26.1 feet tall.

Recreational maths with 30705480

• 30705480 backwards is 08450703
• 30705480 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30705480's digits is 27
• More coming soon!