399534438368

Names of 399534438368

• Cardinal: 399534438368 can be written as Three hundred ninety-nine billion, five hundred thirty-four million, four hundred thirty-eight thousand, three hundred sixty-eight.

Scientific notation

• Scientific notation: 3.99534438368 × 10¹¹

Factors of 399534438368

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 11412

Divisors of 399534438368

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 8 13 16 26 32 37 52 74 104 148 208 296 416 481 592 962 1184 1924 3169 3848 6338 7696 8191 12676 15392 16382 25352 32764 41197 50704 65528 82394 101408 106483 117253 131056 164788 212966 234506 262112 303067 329576 425932 469012 606134 659152 851864 938024 1212268 1318304 1524289 1703728 1876048 2424536 3048578 3407456 3752096 3939871 4849072 6097156 7879742 9698144 12194312 15759484 24388624 25957279 31518968 48777248 51914558 63037936 103829116 126075872 207658232 337444627 415316464 674889254 830632928 960419323 1349778508 1920838646 2699557016 3841677292 5399114032 7683354584 10798228064 12485451199 15366709168 24970902398 30733418336 49941804796 99883609592 199767219184 399534438368
• Sum of all divisors σ(n): 870364938240
• Sum of proper divisors (its aliquot sum) s(n): 470830499872
• 399534438368 is an abundant number, because the sum of its proper divisors (470830499872) is greater than itself. Its abundance is 71296061504

Bases of 399534438368

• Binary: 101110100000110000110111011011111100000₂
• Hexadecimal: 0x5D061BB7E0
• Base-36: 53JKHLNK

Squares and roots of 399534438368

• 399534438368 squared (399534438368²) is 159627767442033190503424
• 399534438368 cubed (399534438368³) is 63776790412890446763800659020972032
• The square root of 399534438368 is 632087.3660879483
• The cube root of 399534438368 is 7365.2033146669

Scales and comparisons

• 399,534,438,368 seconds is equal to 12,703 years, 49 weeks, 6 days, 4 hours, 26 minutes, 8 seconds.
• To count from 1 to 399,534,438,368 would take you about twenty-five thousand, four 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 399534438368 cubic inches would be around 613.8 feet tall.

Recreational maths with 399534438368

• 399534438368 backwards is 863834435993
• The number of decimal digits it has is: 12
• The sum of 399534438368's digits is 65
• More coming soon!