168673455990

Names of 168673455990

• Cardinal: 168673455990 can be written as One hundred sixty-eight billion, six hundred seventy-three million, four hundred fifty-five thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 1.6867345599 × 10¹¹

Factors of 168673455990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3948

Divisors of 168673455990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 179 195 229 234 358 390 458 537 585 687 895 1074 1145 1170 1374 1611 1790 2061 2290 2327 2685 2977 3222 3435 3517 4122 4654 5370 5954 6870 6981 7034 8055 8931 10305 10551 11635 13962 14885 16110 17585 17862 20610 20943 21102 23270 26793 29770 31653 34905 35170 40991 41886 44655 45721 52755 53586 63306 69810 81982 89310 91442 104715 105510 122973 133965 137163 158265 204955 209430 228605 245946 267930 274326 316530 368919 409910 411489 457210 532883 614865 629543 685815 737838 805393 822978 1065766 1229730 1259086 1371630 1598649 1610786 1844595 1888629 2057445 2416179 2664415 3147715 3197298 3689190 3777258 4026965 4114890 4795947 4832358 5328830 5665887 6295430 7248537 7993245 8053930 8184059 9443145 9591894 10470109 11331774 12080895 14497074 15986490 16368118 18886290 20940218 23979735 24161790 24552177 28329435 31410327 36242685 40920295 47959470 49104354 52350545 56658870 62820654 72485370 73656531 81840590 94230981 104701090 122760885 144165347 147313062 157051635 188461962 245521770 288330694 314103270 368282655 432496041 471154905 720826735 736565310 864992082 942309810 1297488123 1441653470 1874149511 2162480205 2594976246 3748299022 4324960410 5622448533 6487440615 9370747555 11244897066 12974881230 16867345599 18741495110 28112242665 33734691198 56224485330 84336727995 168673455990
• Sum of all divisors σ(n): 477133675200
• Sum of proper divisors (its aliquot sum) s(n): 308460219210
• 168673455990 is an abundant number, because the sum of its proper divisors (308460219210) is greater than itself. Its abundance is 139786763220

Bases of 168673455990

• Binary: 10011101000101101110001010111101110110₂
• Hexadecimal: 0x2745B8AF76
• Base-36: 25HJTJLI

Squares and roots of 168673455990

• 168673455990 squared (168673455990²) is 28450734755610466880100
• 168673455990 cubed (168673455990³) is 4798883756683625490883899956799000
• The square root of 168673455990 is 410698.7411595023
• The cube root of 168673455990 is 5525.2115940613

Scales and comparisons

• 168,673,455,990 seconds is equal to 5,363 years, 15 weeks, 2 days, 1 hour, 46 minutes, 30 seconds.
• To count from 1 to 168,673,455,990 would take you about ten thousand, seven hundred twenty-six 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 168673455990 cubic inches would be around 460.4 feet tall.

Recreational maths with 168673455990

• 168673455990 backwards is 099554376861
• The number of decimal digits it has is: 12
• The sum of 168673455990's digits is 63
• More coming soon!