1428838125

Names of 1428838125

• Cardinal: 1428838125 can be written as One billion, four hundred twenty-eight million, eight hundred thirty-eight thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.428838125 × 10⁹

Factors of 1428838125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 105

Divisors of 1428838125

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 5 11 13 15 25 33 39 55 65 73 75 125 143 165 195 219 275 325 365 375 429 625 715 803 825 949 975 1095 1375 1625 1825 1875 2145 2409 2847 3575 4015 4125 4745 4875 5329 5475 6875 8125 9125 10439 10725 12045 14235 15987 17875 20075 20625 23725 24375 26645 27375 31317 45625 52195 53625 58619 60225 69277 71175 79935 89375 100375 118625 133225 136875 156585 175857 207831 260975 268125 293095 301125 346385 355875 399675 501875 593125 666125 762047 782925 879285 1039155 1304875 1465475 1505625 1731925 1779375 1998375 2286141 3330625 3810235 3914625 4396425 5195775 6524375 7327375 8659625 9991875 11430705 19051175 19573125 21982125 25978875 36636875 43298125 57153525 95255875 109910625 129894375 285767625 476279375 1428838125
• Sum of all divisors σ(n): 2835667296
• Sum of proper divisors (its aliquot sum) s(n): 1406829171
• 1428838125 is a deficient number, because the sum of its proper divisors (1406829171) is less than itself. Its deficiency is 22008954

Bases of 1428838125

• Binary: 1010101001010100101011011101101₂
• Hexadecimal: 0x552A56ED
• Base-36: NMOYJX

Squares and roots of 1428838125

• 1428838125 squared (1428838125²) is 2041578387453515625
• 1428838125 cubed (1428838125³) is 2917085035169604790283203125
• The square root of 1428838125 is 37799.9751984045
• The cube root of 1428838125 is 1126.3179615497

Scales and comparisons

• 1,428,838,125 seconds is equal to 45 years, 22 weeks, 3 days, 11 hours, 28 minutes, 45 seconds.
• To count from 1 to 1,428,838,125 would take you about ninety 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 1428838125 cubic inches would be around 93.9 feet tall.

Recreational maths with 1428838125

• 1428838125 backwards is 5218388241
• The number of decimal digits it has is: 10
• The sum of 1428838125's digits is 42
• More coming soon!