168939379890

Names of 168939379890

• Cardinal: 168939379890 can be written as One hundred sixty-eight billion, nine hundred thirty-nine million, three hundred seventy-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.6893937989 × 10¹¹

Factors of 168939379890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2912

Divisors of 168939379890

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 19 23 27 30 38 45 46 54 57 69 90 95 114 115 135 138 171 190 207 230 270 285 342 345 414 437 513 570 621 647 690 855 874 1026 1035 1242 1294 1311 1710 1941 2070 2185 2213 2565 2622 3105 3235 3882 3933 4370 4426 5130 5823 6210 6470 6555 6639 7866 9705 11065 11646 11799 12293 13110 13278 14881 17469 19410 19665 19917 22130 23598 24586 29115 29762 33195 34938 36879 39330 39834 42047 44643 50899 58230 58995 59751 61465 66390 73758 74405 84094 87345 89286 99585 101798 110637 117990 119502 122930 126141 133929 148810 152697 174690 184395 199170 210235 221274 223215 252282 254495 267858 282739 298755 305394 331911 368790 378423 401787 420470 446430 458091 508990 553185 565478 597510 630705 663822 669645 756846 763485 803574 848217 916182 967081 1106370 1135269 1261410 1339290 1374273 1413695 1431811 1526970 1659555 1696434 1892115 1934162 2008935 2270538 2290455 2544651 2748546 2827390 2863622 2901243 3319110 3784230 4017870 4241085 4295433 4580910 4835405 5089302 5676345 5802486 6871365 7159055 7633953 8482170 8590866 8703729 9670810 11352690 12723255 12886299 13742730 14318110 14506215 15267906 17407458 21477165 25446510 25772598 26111187 27204409 29012430 32931653 38169765 38658897 42954330 43518645 52222374 54408818 64431495 65863306 76339530 77317794 81613227 87037290 98794959 128862990 130555935 136022045 163226454 164658265 193294485 197589918 244839681 261111870 272044090 296384877 329316530 386588970 408066135 489679362 493974795 592769754 625701407 734519043 816132270 889154631 987949590 1224198405 1251402814 1469038086 1481924385 1778309262 1877104221 2448396810 2963848770 3128507035 3672595215 3754208442 4445773155 5631312663 6257014070 7345190430 8891546310 9385521105 11262625326 16893937989 18771042210 28156563315 33787875978 56313126630 84469689945 168939379890
• Sum of all divisors σ(n): 495822643200
• Sum of proper divisors (its aliquot sum) s(n): 326883263310
• 168939379890 is an abundant number, because the sum of its proper divisors (326883263310) is greater than itself. Its abundance is 157943883420

Bases of 168939379890

• Binary: 10011101010101100100100101110010110010₂
• Hexadecimal: 0x2755925CB2
• Base-36: 25LY57SI

Squares and roots of 168939379890

• 168939379890 squared (168939379890²) is 28540514077617736412100
• 168939379890 cubed (168939379890³) is 4821616750014555717925647492669000
• The square root of 168939379890 is 411022.3593553033
• The cube root of 168939379890 is 5528.1136795199

Scales and comparisons

• 168,939,379,890 seconds is equal to 5,371 years, 38 weeks, 6 days, 21 hours, 31 minutes, 30 seconds.
• To count from 1 to 168,939,379,890 would take you about ten thousand, seven hundred forty-three 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 168939379890 cubic inches would be around 460.7 feet tall.

Recreational maths with 168939379890

• 168939379890 backwards is 098973939861
• The number of decimal digits it has is: 12
• The sum of 168939379890's digits is 72
• More coming soon!