399404221712

Names of 399404221712

• Cardinal: 399404221712 can be written as Three hundred ninety-nine billion, four hundred four million, two hundred twenty-one thousand, seven hundred twelve.

Scientific notation

• Scientific notation: 3.99404221712 × 10¹¹

Factors of 399404221712

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 214

Divisors of 399404221712

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 8 16 23 31 46 61 62 92 97 122 124 184 194 244 248 368 388 488 496 713 776 976 1403 1426 1552 1891 2231 2806 2852 3007 3721 3782 4462 5612 5704 5917 6014 7442 7564 8924 9409 11224 11408 11834 12028 14884 15128 17848 18818 22448 23668 24056 29768 30256 35696 37636 43493 47336 48112 59536 69161 75272 85583 86986 94672 115351 136091 138322 150544 171166 173972 183427 216407 230702 272182 276644 291679 342332 347944 360937 366854 432814 461404 544364 553288 573949 583358 684664 695888 721874 733708 865628 922808 1088728 1106576 1147898 1166716 1369328 1443748 1467416 1731256 1845616 2177456 2295796 2333432 2653073 2887496 2934832 3462512 4218821 4591592 4666864 5306146 5774992 6708617 8301551 8437642 9183184 10612292 11189047 13200827 13417234 16603102 16875284 17792419 21224584 22378094 26401654 26834468 33206204 33750568 35010889 35584838 42449168 44756188 52803308 53668936 66412408 67501136 70021778 71169676 89512376 105606616 107337872 132824816 140043556 142339352 179024752 211213232 257348081 280087112 284678704 409225637 514696162 560174224 805250447 818451274 1029392324 1085337559 1610500894 1636902548 2058784648 2170675118 3221001788 3273805096 4117569296 4341350236 6442003576 6547610192 8682700472 12884007152 17365400944 24962763857 49925527714 99851055428 199702110856 399404221712
• Sum of all divisors σ(n): 856254267648
• Sum of proper divisors (its aliquot sum) s(n): 456850045936
• 399404221712 is an abundant number, because the sum of its proper divisors (456850045936) is greater than itself. Its abundance is 57445824224

Bases of 399404221712

• Binary: 101110011111110010110001100010100010000₂
• Hexadecimal: 0x5CFE58C510
• Base-36: 53HEYLU8

Squares and roots of 399404221712

• 399404221712 squared (399404221712²) is 159523732321368452210944
• 399404221712 cubed (399404221712³) is 63714452152409585722102153968816128
• The square root of 399404221712 is 631984.3524265455
• The cube root of 399404221712 is 7364.4030696257

Scales and comparisons

• 399,404,221,712 seconds is equal to 12,699 years, 42 weeks, 4 days, 1 hour, 8 minutes, 32 seconds.
• To count from 1 to 399,404,221,712 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 399404221712 cubic inches would be around 613.7 feet tall.

Recreational maths with 399404221712

• 399404221712 backwards is 217122404993
• The number of decimal digits it has is: 12
• The sum of 399404221712's digits is 44
• More coming soon!