1385401836

Names of 1385401836

• Cardinal: 1385401836 can be written as One billion, three hundred eighty-five million, four hundred one thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.385401836 × 10⁹

Factors of 1385401836

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 7532

Divisors of 1385401836

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 21 26 28 39 42 52 78 84 91 156 169 182 273 338 364 507 546 676 1014 1092 1183 2028 2197 2366 3549 4394 4732 6591 7098 7507 8788 13182 14196 15014 15379 22521 26364 30028 30758 45042 46137 52549 61516 90084 92274 97591 105098 157647 184548 195182 210196 292773 315294 390364 585546 630588 683137 1171092 1268683 1366274 2049411 2537366 2732548 3806049 4098822 5074732 7612098 8197644 8880781 15224196 16492879 17761562 26642343 32985758 35523124 49478637 53284686 65971516 98957274 106569372 115450153 197914548 230900306 346350459 461800612 692700918 1385401836
• Sum of all divisors σ(n): 4002664960
• Sum of proper divisors (its aliquot sum) s(n): 2617263124
• 1385401836 is an abundant number, because the sum of its proper divisors (2617263124) is greater than itself. Its abundance is 1231861288

Bases of 1385401836

• Binary: 1010010100100111000110111101100₂
• Hexadecimal: 0x52938DEC
• Base-36: MWTYWC

Squares and roots of 1385401836

• 1385401836 squared (1385401836²) is 1919338247192170896
• 1385401836 cubed (1385401836³) is 2659054731565055404144165056
• The square root of 1385401836 is 37220.9864995543
• The cube root of 1385401836 is 1114.7870616979

Scales and comparisons

• 1,385,401,836 seconds is equal to 44 years, 2 weeks, 4 days, 17 hours, 50 minutes, 36 seconds.
• To count from 1 to 1,385,401,836 would take you about eighty-eight 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 1385401836 cubic inches would be around 92.9 feet tall.

Recreational maths with 1385401836

• 1385401836 backwards is 6381045831
• 1385401836 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1385401836's digits is 39
• More coming soon!