30420480

Names of 30420480

• Cardinal: 30420480 can be written as Thirty million, four hundred twenty thousand, four hundred eighty.

Scientific notation

• Scientific notation: 3.042048 × 10⁷

Factors of 30420480

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 260

Divisors of 30420480

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 48 51 60 64 68 80 85 96 102 120 128 136 160 170 192 204 233 240 255 256 272 320 340 384 408 466 480 510 512 544 640 680 699 768 816 932 960 1020 1088 1165 1280 1360 1398 1536 1632 1864 1920 2040 2176 2330 2560 2720 2796 3264 3495 3728 3840 3961 4080 4352 4660 5440 5592 6528 6990 7456 7680 7922 8160 8704 9320 10880 11184 11883 13056 13980 14912 15844 16320 18640 19805 21760 22368 23766 26112 27960 29824 31688 32640 37280 39610 43520 44736 47532 55920 59415 59648 63376 65280 74560 79220 89472 95064 111840 118830 119296 126752 130560 149120 158440 178944 190128 223680 237660 253504 298240 316880 357888 380256 447360 475320 507008 596480 633760 760512 894720 950640 1014016 1267520 1521024 1789440 1901280 2028032 2535040 3042048 3802560 5070080 6084096 7605120 10140160 15210240 30420480
• Sum of all divisors σ(n): 103413024
• Sum of proper divisors (its aliquot sum) s(n): 72992544
• 30420480 is an abundant number, because the sum of its proper divisors (72992544) is greater than itself. Its abundance is 42572064

Bases of 30420480

• Binary: 1110100000010111000000000₂
• Hexadecimal: 0x1D02E00
• Base-36: I40LC

Squares and roots of 30420480

• 30420480 squared (30420480²) is 925405603430400
• 30420480 cubed (30420480³) is 28151282651042414592000
• The square root of 30420480 is 5515.4764073467
• The cube root of 30420480 is 312.1682196075

Scales and comparisons

• 30,420,480 seconds is equal to 50 weeks, 2 days, 2 hours, 8 minutes.
• To count from 1 to 30,420,480 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 30420480 cubic inches would be around 26 feet tall.

Recreational maths with 30420480

• 30420480 backwards is 08402403
• The number of decimal digits it has is: 8
• The sum of 30420480's digits is 21
• More coming soon!