428760990

Names of 428760990

• Cardinal: 428760990 can be written as Four hundred twenty-eight million, seven hundred sixty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 4.2876099 × 10⁸

Factors of 428760990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 12911

Divisors of 428760990

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 53 63 70 90 105 106 126 159 210 265 315 318 371 477 530 630 742 795 954 1113 1590 1855 2226 2385 3339 3710 4770 5565 6678 11130 12841 16695 25682 33390 38523 64205 77046 89887 115569 128410 179774 192615 231138 269661 385230 449435 539322 577845 680573 808983 898870 1155690 1348305 1361146 1617966 2041719 2696610 3402865 4044915 4083438 4764011 6125157 6805730 8089830 9528022 10208595 12250314 14292033 20417190 23820055 28584066 30625785 42876099 47640110 61251570 71460165 85752198 142920330 214380495 428760990
• Sum of all divisors σ(n): 1298172096
• Sum of proper divisors (its aliquot sum) s(n): 869411106
• 428760990 is an abundant number, because the sum of its proper divisors (869411106) is greater than itself. Its abundance is 440650116

Bases of 428760990

• Binary: 11001100011100101111110011110₂
• Hexadecimal: 0x198E5F9E
• Base-36: 739U3I

Squares and roots of 428760990

• 428760990 squared (428760990²) is 183835986545780100
• 428760990 cubed (428760990³) is 78821699588995355998299000
• The square root of 428760990 is 20706.5446175839
• The cube root of 428760990 is 754.0585842417

Scales and comparisons

• 428,760,990 seconds is equal to 13 years, 32 weeks, 6 days, 12 hours, 16 minutes, 30 seconds.
• To count from 1 to 428,760,990 would take you about twenty years!

  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 428760990 cubic inches would be around 62.8 feet tall.

Recreational maths with 428760990

• 428760990 backwards is 099067824
• 428760990 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 428760990's digits is 45
• More coming soon!