445128372918

Names of 445128372918

• Cardinal: 445128372918 can be written as Four hundred forty-five billion, one hundred twenty-eight million, three hundred seventy-two thousand, nine hundred eighteen.

Scientific notation

• Scientific notation: 4.45128372918 × 10¹¹

Factors of 445128372918

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 181788

Divisors of 445128372918

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 6 9 18 27 43 54 86 129 258 387 774 1061 1161 2122 2322 3183 6366 9549 19098 28647 45623 57294 91246 136869 180679 273738 361358 410607 542037 821214 1084074 1231821 1626111 2463642 3252222 4878333 7769197 9756666 15538394 23307591 46615182 69922773 139845546 191700419 209768319 383400838 419536638 575101257 1150202514 1725303771 3450607542 5175911313 8243118017 10351822626 16486236034 24729354051 49458708102 74188062153 148376124306 222564186459 445128372918
• Sum of all divisors σ(n): 1013137804800
• Sum of proper divisors (its aliquot sum) s(n): 568009431882
• 445128372918 is an abundant number, because the sum of its proper divisors (568009431882) is greater than itself. Its abundance is 122881058964

Bases of 445128372918

• Binary: 110011110100011101101111111001010110110₂
• Hexadecimal: 0x67A3B7F2B6
• Base-36: 5OHLXUPI

Squares and roots of 445128372918

• 445128372918 squared (445128372918²) is 198139268376626075834724
• 445128372918 cubed (445128372918³) is 88197410143650496358801972805604632
• The square root of 445128372918 is 667179.4158380487
• The cube root of 445128372918 is 7635.3407907913

Scales and comparisons

• 445,128,372,918 seconds is equal to 14,153 years, 36 weeks, 4 days, 18 hours, 15 minutes, 18 seconds.
• To count from 1 to 445,128,372,918 would take you about twenty-eight thousand, three hundred 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 445128372918 cubic inches would be around 636.3 feet tall.

Recreational maths with 445128372918

• 445128372918 backwards is 819273821544
• 445128372918 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 445128372918's digits is 54
• More coming soon!