398923068672

Names of 398923068672

• Cardinal: 398923068672 can be written as Three hundred ninety-eight billion, nine hundred twenty-three million, sixty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 3.98923068672 × 10¹¹

Factors of 398923068672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 173143698

Divisors of 398923068672

• Number of divisors d(n): 54
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 576 768 1152 2304 173143693 346287386 519431079 692574772 1038862158 1385149544 1558293237 2077724316 2770299088 3116586474 4155448632 5540598176 6233172948 8310897264 11081196352 12466345896 16621794528 22162392704 24932691792 33243589056 44324785408 49865383584 66487178112 99730767168 132974356224 199461534336 398923068672
• Sum of all divisors σ(n): 1150193559242
• Sum of proper divisors (its aliquot sum) s(n): 751270490570
• 398923068672 is an abundant number, because the sum of its proper divisors (751270490570) is greater than itself. Its abundance is 352347421898

Bases of 398923068672

• Binary: 101110011100001101010101111010100000000₂
• Hexadecimal: 0x5CE1AAF500
• Base-36: 539GHTS0

Squares and roots of 398923068672

• 398923068672 squared (398923068672²) is 159139614718685227843584
• 398923068672 cubed (398923068672³) is 63484463450857689108598026506600448
• The square root of 398923068672 is 631603.5692362733
• The cube root of 398923068672 is 7361.4446392343

Scales and comparisons

• 398,923,068,672 seconds is equal to 12,684 years, 27 weeks, 3 hours, 31 minutes, 12 seconds.
• To count from 1 to 398,923,068,672 would take you about twenty-five thousand, three hundred sixty-nine 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 398923068672 cubic inches would be around 613.5 feet tall.

Recreational maths with 398923068672

• 398923068672 backwards is 276860329893
• The number of decimal digits it has is: 12
• The sum of 398923068672's digits is 63
• More coming soon!