30220128

Names of 30220128

• Cardinal: 30220128 can be written as Thirty million, two hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 3.0220128 × 10⁷

Factors of 30220128

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 225

Divisors of 30220128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 72 81 89 96 108 131 144 162 178 216 262 267 288 324 356 393 432 524 534 648 712 786 801 864 1048 1068 1179 1296 1424 1572 1602 2096 2136 2358 2403 2592 2848 3144 3204 3537 4192 4272 4716 4806 6288 6408 7074 7209 8544 9432 9612 10611 11659 12576 12816 14148 14418 18864 19224 21222 23318 25632 28296 28836 34977 37728 38448 42444 46636 56592 57672 69954 76896 84888 93272 104931 113184 115344 139908 169776 186544 209862 230688 279816 314793 339552 373088 419724 559632 629586 839448 944379 1119264 1259172 1678896 1888758 2518344 3357792 3777516 5036688 7555032 10073376 15110064 30220128
• Sum of all divisors σ(n): 90561240
• Sum of proper divisors (its aliquot sum) s(n): 60341112
• 30220128 is an abundant number, because the sum of its proper divisors (60341112) is greater than itself. Its abundance is 30120984

Bases of 30220128

• Binary: 1110011010001111101100000₂
• Hexadecimal: 0x1CD1F60
• Base-36: HZQ00

Squares and roots of 30220128

• 30220128 squared (30220128²) is 913256136336384
• 30220128 cubed (30220128³) is 27598717336870975537152
• The square root of 30220128 is 5497.2836928797
• The cube root of 30220128 is 311.4813869487

Scales and comparisons

• 30,220,128 seconds is equal to 49 weeks, 6 days, 18 hours, 28 minutes, 48 seconds.
• To count from 1 to 30,220,128 would take you about twenty-two 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 30220128 cubic inches would be around 26 feet tall.

Recreational maths with 30220128

• 30220128 backwards is 82102203
• 30220128 is a Harshad number.
• The number of decimal digits it has is: 8
• The sum of 30220128's digits is 18
• More coming soon!