3894128028

Names of 3894128028

• Cardinal: 3894128028 can be written as Three billion, eight hundred ninety-four million, one hundred twenty-eight thousand and twenty-eight.

Scientific notation

• Scientific notation: 3.894128028 × 10⁹

Factors of 3894128028

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 31776

Divisors of 3894128028

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 84 108 126 163 189 252 326 378 489 652 756 978 1141 1467 1956 2282 2934 3423 4401 4564 5868 6846 8802 10269 13692 17604 20538 30807 31601 41076 61614 63202 94803 123228 126404 189606 221207 284409 379212 442414 568818 663621 853227 884828 1137636 1327242 1706454 1990863 2654484 3412908 3981726 5150963 5972589 7963452 10301926 11945178 15452889 20603852 23890356 30905778 36056741 46358667 61811556 72113482 92717334 108170223 139076001 144226964 185434668 216340446 278152002 324510669 432680892 556304004 649021338 973532007 1298042676 1947064014 3894128028
• Sum of all divisors σ(n): 11609310720
• Sum of proper divisors (its aliquot sum) s(n): 7715182692
• 3894128028 is an abundant number, because the sum of its proper divisors (7715182692) is greater than itself. Its abundance is 3821054664

Bases of 3894128028

• Binary: 11101000000110111010110110011100₂
• Hexadecimal: 0xE81BAD9C
• Base-36: 1SEGOF0

Squares and roots of 3894128028

• 3894128028 squared (3894128028²) is 15164233098455168784
• 3894128028 cubed (3894128028³) is 59051465131819556263245077952
• The square root of 3894128028 is 62402.9488726295
• The cube root of 3894128028 is 1573.2705333585

Scales and comparisons

• 3,894,128,028 seconds is equal to 123 years, 42 weeks, 4 days, 22 hours, 13 minutes, 48 seconds.
• To count from 1 to 3,894,128,028 would take you about two hundred forty-seven 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 3894128028 cubic inches would be around 131.1 feet tall.

Recreational maths with 3894128028

• 3894128028 backwards is 8208214983
• The number of decimal digits it has is: 10
• The sum of 3894128028's digits is 45
• More coming soon!