168664061790

Names of 168664061790

• Cardinal: 168664061790 can be written as One hundred sixty-eight billion, six hundred sixty-four million, sixty-one thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 1.6866406179 × 10¹¹

Factors of 168664061790

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 460893

Divisors of 168664061790

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 49 63 70 83 90 98 105 126 147 166 210 245 249 294 315 415 441 490 498 581 630 735 747 830 882 1162 1245 1470 1494 1743 2205 2490 2905 3486 3735 4067 4410 5229 5810 7470 8134 8715 10458 12201 17430 20335 24402 26145 36603 40670 52290 61005 73206 122010 183015 366030 460793 921586 1382379 2303965 2764758 3225551 4147137 4607930 6451102 6911895 8294274 9676653 13823790 16127755 19353306 20735685 22578857 29029959 32255510 38245819 41471370 45157714 48383265 58059918 67736571 76491638 96766530 112894285 114737457 135473142 145149795 191229095 203209713 225788570 229474914 267720733 290299590 338682855 344212371 382458190 406419426 535441466 573687285 677365710 688424742 803162199 1016048565 1147374570 1338603665 1606324398 1721061855 1874045131 2032097130 2409486597 2677207330 3442123710 3748090262 4015810995 4818973194 5622135393 8031621990 9370225655 11244270786 12047432985 16866406179 18740451310 24094865970 28110676965 33732812358 56221353930 84332030895 168664061790
• Sum of all divisors σ(n): 516269911248
• Sum of proper divisors (its aliquot sum) s(n): 347605849458
• 168664061790 is an abundant number, because the sum of its proper divisors (347605849458) is greater than itself. Its abundance is 178941787668

Bases of 168664061790

• Binary: 10011101000101001010010101011101011110₂
• Hexadecimal: 0x274529575E
• Base-36: 25HE86ZI

Squares and roots of 168664061790

• 168664061790 squared (168664061790²) is 28447565739500938004100
• 168664061790 cubed (168664061790³) is 4798081985662273251286481673339000
• The square root of 168664061790 is 410687.3041500065
• The cube root of 168664061790 is 5525.1090173475

Scales and comparisons

• 168,664,061,790 seconds is equal to 5,362 years, 51 weeks, 5 days, 8 hours, 16 minutes, 30 seconds.
• To count from 1 to 168,664,061,790 would take you about ten thousand, seven hundred twenty-five 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 168664061790 cubic inches would be around 460.4 feet tall.

Recreational maths with 168664061790

• 168664061790 backwards is 097160466861
• The number of decimal digits it has is: 12
• The sum of 168664061790's digits is 54
• More coming soon!