398153344428

Names of 398153344428

• Cardinal: 398153344428 can be written as Three hundred ninety-eight billion, one hundred fifty-three million, three hundred forty-four thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 3.98153344428 × 10¹¹

Factors of 398153344428

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 175552633

Divisors of 398153344428

• Number of divisors d(n): 60
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 36 42 54 63 81 84 108 126 162 189 252 324 378 567 756 1134 2268 175552621 351105242 526657863 702210484 1053315726 1228868347 1579973589 2106631452 2457736694 3159947178 3686605041 4739920767 4915473388 6319894356 7373210082 9479841534 11059815123 14219762301 14746420164 18959683068 22119630246 28439524602 33179445369 44239260492 56879049204 66358890738 99538336107 132717781476 199076672214 398153344428
• Sum of all divisors σ(n): 1189544566672
• Sum of proper divisors (its aliquot sum) s(n): 791391222244
• 398153344428 is an abundant number, because the sum of its proper divisors (791391222244) is greater than itself. Its abundance is 393237877816

Bases of 398153344428

• Binary: 101110010110011110010011110010110101100₂
• Hexadecimal: 0x5CB3C9E5AC
• Base-36: 52WQ7YR0

Squares and roots of 398153344428

• 398153344428 squared (398153344428²) is 158526085679201598647184
• 398153344428 cubed (398153344428³) is 63117691192253792422220470004290752
• The square root of 398153344428 is 630993.9337489703
• The cube root of 398153344428 is 7356.7069415503

Scales and comparisons

• 398,153,344,428 seconds is equal to 12,660 years, 2 weeks, 2 days, 7 hours, 13 minutes, 48 seconds.
• To count from 1 to 398,153,344,428 would take you about twenty-five thousand, three hundred twenty 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 398153344428 cubic inches would be around 613.1 feet tall.

Recreational maths with 398153344428

• 398153344428 backwards is 824443351893
• 398153344428 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 398153344428's digits is 54
• More coming soon!