428557787172

Names of 428557787172

• Cardinal: 428557787172 can be written as Four hundred twenty-eight billion, five hundred fifty-seven million, seven hundred eighty-seven thousand, one hundred seventy-two.

Scientific notation

• Scientific notation: 4.28557787172 × 10¹¹

Factors of 428557787172

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 203

Divisors of 428557787172

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 59 108 118 139 177 236 278 354 417 531 556 708 834 1062 1251 1593 1668 2124 2502 3186 3481 3753 5004 6372 6962 7506 8201 10443 13924 15012 16402 19321 20886 24603 31329 32804 38642 41772 49206 57963 62658 73809 77284 93987 98412 115926 125316 147618 173889 187974 205379 221427 231852 295236 347778 375948 410758 442854 483859 521667 616137 695556 821516 885708 967718 1043334 1139939 1232274 1451577 1848411 1935436 2086668 2279878 2464548 2903154 3419817 3696822 4354731 4559756 5545233 5806308 6839634 7393644 8709462 10259451 11090466 13064193 13679268 17418924 20518902 22180932 26128386 28547681 30778353 41037804 52256772 57095362 61556706 67256401 85643043 114190724 123113412 134512802 171286086 201769203 256929129 269025604 342572172 403538406 513858258 605307609 770787387 807076812 1027716516 1210615218 1541574774 1815922827 2421230436 3083149548 3631845654 3968127659 7263691308 7936255318 11904382977 15872510636 23808765954 35713148931 47617531908 71426297862 107139446793 142852595724 214278893586 428557787172
• Sum of all divisors σ(n): 1138421793600
• Sum of proper divisors (its aliquot sum) s(n): 709864006428
• 428557787172 is an abundant number, because the sum of its proper divisors (709864006428) is greater than itself. Its abundance is 281306219256

Bases of 428557787172

• Binary: 110001111001000000010001110000000100100₂
• Hexadecimal: 0x63C808E024
• Base-36: 5GVK8OX0

Squares and roots of 428557787172

• 428557787172 squared (428557787172²) is 183661776945761247757584
• 428557787172 cubed (428557787172³) is 78709684715952885004019846120912448
• The square root of 428557787172 is 654643.2518341573
• The cube root of 428557787172 is 7539.3944167901

Scales and comparisons

• 428,557,787,172 seconds is equal to 13,626 years, 42 weeks, 1 day, 13 hours, 46 minutes, 12 seconds.
• To count from 1 to 428,557,787,172 would take you about twenty-seven thousand, two hundred fifty-three 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 428557787172 cubic inches would be around 628.3 feet tall.

Recreational maths with 428557787172

• 428557787172 backwards is 271787755824
• The number of decimal digits it has is: 12
• The sum of 428557787172's digits is 63
• More coming soon!