399538160901

Names of 399538160901

• Cardinal: 399538160901 can be written as Three hundred ninety-nine billion, five hundred thirty-eight million, one hundred sixty thousand, nine hundred one.

Scientific notation

• Scientific notation: 3.99538160901 × 10¹¹

Factors of 399538160901

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 51098

Divisors of 399538160901

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 9 11 23 27 31 33 37 69 93 99 111 207 253 279 297 333 341 407 621 713 759 837 851 999 1023 1147 1221 2139 2277 2553 3069 3441 3663 6417 6831 7659 7843 9207 9361 10323 10989 12617 19251 22977 23529 26381 28083 30969 37851 50993 70587 79143 84249 113553 152979 211761 237429 252747 290191 340659 458937 560923 712287 870573 1172839 1376811 1580783 1682769 1886741 2611719 3518517 4742349 5048307 5660223 7835157 10555551 12901229 14227047 15144921 16980669 17388613 20754151 31666653 36358009 38703687 42681141 43395043 50942007 52165839 58488971 62262453 109074027 116111061 130185129 156497517 175466913 186787359 327222081 348333183 390555387 399938099 469492551 477345473 526400739 560362077 643378681 981666243 1171666161 1199814297 1345246333 1432036419 1579202217 1930136043 3599442891 4035738999 4296109257 5790408129 10798328673 12107216997 12888327771 14797709663 17371224387 36321650991 44393128989 133179386967 399538160901
• Sum of all divisors σ(n): 714340270080
• Sum of proper divisors (its aliquot sum) s(n): 314802109179
• 399538160901 is a deficient number, because the sum of its proper divisors (314802109179) is less than itself. Its deficiency is 84736051722

Bases of 399538160901

• Binary: 101110100000110010101001000010100000101₂
• Hexadecimal: 0x5D06548505
• Base-36: 53JMPDZ9

Squares and roots of 399538160901

• 399538160901 squared (399538160901²) is 159630742016153365131801
• 399538160901 cubed (399538160901³) is 63778573088395904339122111009912701
• The square root of 399538160901 is 632090.3107159609
• The cube root of 399538160901 is 7365.2261888963

Scales and comparisons

• 399,538,160,901 seconds is equal to 12,704 years, 4 weeks, 6 hours, 28 minutes, 21 seconds.
• To count from 1 to 399,538,160,901 would take you about twenty-five thousand, four hundred eight 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 399538160901 cubic inches would be around 613.8 feet tall.

Recreational maths with 399538160901

• 399538160901 backwards is 109061835993
• The number of decimal digits it has is: 12
• The sum of 399538160901's digits is 54
• More coming soon!