397916838225378

Names of 397916838225378

• Cardinal: 397916838225378 can be written as Three hundred ninety-seven trillion, nine hundred sixteen billion, eight hundred thirty-eight million, two hundred twenty-five thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 3.97916838225378 × 10¹⁴

Factors of 397916838225378

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 34391975

Divisors of 397916838225378

• Number of divisors d(n): 40
• Complete list of divisors:
  1 2 3 6 9 18 27 54 81 162 71569 143138 214707 429414 644121 1288242 1932363 3864726 5797089 11594178 34320401 68640802 102961203 205922406 308883609 617767218 926650827 1853301654 2779952481 5559904962 2456276779169 4912553558338 7368830337507 14737660675014 22106491012521 44212982025042 66319473037563 132638946075126 198958419112689 397916838225378
• Sum of all divisors σ(n): 891640955123820
• Sum of proper divisors (its aliquot sum) s(n): 493724116898442
• 397916838225378 is an abundant number, because the sum of its proper divisors (493724116898442) is greater than itself. Its abundance is 95807278673064

Bases of 397916838225378

• Binary: 1011010011110011100111011110010101110010111100010₂
• Hexadecimal: 0x169E73BCAE5E2
• Base-36: 3X1SGZKK4I

Squares and roots of 397916838225378

• 397916838225378 squared (397916838225378²) is 158337810143281646280323242884
• 397916838225378 cubed (397916838225378³) is 63005280783744818605773217301673972626710152
• The square root of 397916838225378 is 19947852.9728233659
• The cube root of 397916838225378 is 73552.5000586911

Scales and comparisons

• 397,916,838,225,378 seconds is equal to 12,652,524 years, 32 weeks, 22 hours, 36 minutes, 18 seconds.
• To count from 1 to 397,916,838,225,378 would take you about thirty-one million, six hundred thirty-one thousand, three hundred eleven 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 397916838225378 cubic inches would be around 6129.4 feet tall.

Recreational maths with 397916838225378

• 397916838225378 backwards is 873522838619793
• 397916838225378 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 397916838225378's digits is 81
• More coming soon!