399402157312

Names of 399402157312

• Cardinal: 399402157312 can be written as Three hundred ninety-nine billion, four hundred two million, one hundred fifty-seven thousand, three hundred twelve.

Scientific notation

• Scientific notation: 3.99402157312 × 10¹¹

Factors of 399402157312

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 22680

Divisors of 399402157312

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 4 8 16 32 41 64 82 128 164 256 328 656 1312 1681 2624 3362 5248 6724 10496 13448 22637 26896 45274 53792 68921 90548 107584 137842 181096 215168 275684 362192 430336 551368 724384 928117 1102736 1448768 1856234 2205472 2897536 3712468 4410944 5795072 7424936 8821888 14849872 17643776 29699744 38052797 59399488 76105594 118798976 152211188 237597952 304422376 608844752 1217689504 1560164677 2435379008 3120329354 4870758016 6240658708 9741516032 12481317416 24962634832 49925269664 99850539328 199701078656 399402157312
• Sum of all divisors σ(n): 817211063592
• Sum of proper divisors (its aliquot sum) s(n): 417808906280
• 399402157312 is an abundant number, because the sum of its proper divisors (417808906280) is greater than itself. Its abundance is 18406748968

Bases of 399402157312

• Binary: 101110011111110001110010100010100000000₂
• Hexadecimal: 0x5CFE394500
• Base-36: 53HDQCXS

Squares and roots of 399402157312

• 399402157312 squared (399402157312²) is 159522083265479595065344
• 399402157312 cubed (399402157312³) is 63713464195137043887414583207395328
• The square root of 399402157312 is 631982.7191561491
• The cube root of 399402157312 is 7364.3903814775

Scales and comparisons

• 399,402,157,312 seconds is equal to 12,699 years, 39 weeks, 1 day, 3 hours, 41 minutes, 52 seconds.
• To count from 1 to 399,402,157,312 would take you about twenty-five thousand, three hundred ninety-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 399402157312 cubic inches would be around 613.7 feet tall.

Recreational maths with 399402157312

• 399402157312 backwards is 213751204993
• The number of decimal digits it has is: 12
• The sum of 399402157312's digits is 46
• More coming soon!