168420393240

Names of 168420393240

• Cardinal: 168420393240 can be written as One hundred sixty-eight billion, four hundred twenty million, three hundred ninety-three thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.6842039324 × 10¹¹

Factors of 168420393240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8670

Divisors of 168420393240

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 15 20 22 24 30 33 37 40 44 55 60 66 74 88 110 111 120 132 148 165 185 220 222 264 296 330 370 407 421 440 444 555 660 740 814 842 888 1110 1221 1263 1320 1480 1628 1684 2035 2105 2220 2442 2526 3256 3368 4070 4210 4440 4631 4884 5052 6105 6315 8140 8191 8420 9262 9768 10104 12210 12630 13893 15577 16280 16382 16840 18524 23155 24420 24573 25260 27786 31154 32764 37048 40955 46310 46731 48840 49146 50520 55572 62308 65528 69465 77885 81910 90101 92620 93462 98292 111144 122865 124616 138930 155770 163820 171347 180202 185240 186924 196584 233655 245730 270303 277860 303067 311540 327640 342694 360404 373848 450505 467310 491460 514041 540606 555720 606134 623080 685388 720808 856735 901010 909201 934620 982920 1028082 1081212 1212268 1351515 1370776 1515335 1713470 1802020 1818402 1869240 2056164 2162424 2424536 2570205 2703030 3030670 3333737 3426940 3448411 3604040 3636804 4112328 4546005 5140410 5406060 6061340 6667474 6853880 6896822 7273608 9092010 10001211 10280820 10345233 10812120 12122680 13334948 13793644 16668685 17242055 18184020 20002422 20561640 20690466 26669896 27587288 33337370 34484110 36368040 37932521 40004844 41380932 50006055 51726165 66674740 68968220 75865042 80009688 82761864 100012110 103452330 113797563 127591207 133349480 137936440 151730084 189662605 200024220 206904660 227595126 255182414 303460168 379325210 382773621 400048440 413809320 455190252 510364828 568987815 637956035 758650420 765547242 910380504 1020729656 1137975630 1275912070 1403503277 1517300840 1531094484 1913868105 2275951260 2551824140 2807006554 3062188968 3827736210 4210509831 4551902520 5103648280 5614013108 7017516385 7655472420 8421019662 11228026216 14035032770 15310944840 16842039324 21052549155 28070065540 33684078648 42105098310 56140131080 84210196620 168420393240
• Sum of all divisors σ(n): 567505059840
• Sum of proper divisors (its aliquot sum) s(n): 399084666600
• 168420393240 is an abundant number, because the sum of its proper divisors (399084666600) is greater than itself. Its abundance is 230664273360

Bases of 168420393240

• Binary: 10011100110110101000110100000100011000₂
• Hexadecimal: 0x2736A34118
• Base-36: 25DD5J4O

Squares and roots of 168420393240

• 168420393240 squared (168420393240²) is 28365428859116237697600
• 168420393240 cubed (168420393240³) is 4777316682873601311899104204224000
• The square root of 168420393240 is 410390.5374640111
• The cube root of 168420393240 is 5522.4470312685

Scales and comparisons

• 168,420,393,240 seconds is equal to 5,355 years, 12 weeks, 6 days, 2 hours, 34 minutes.
• To count from 1 to 168,420,393,240 would take you about ten thousand, seven hundred ten 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 168420393240 cubic inches would be around 460.2 feet tall.

Recreational maths with 168420393240

• 168420393240 backwards is 042393024861
• The number of decimal digits it has is: 12
• The sum of 168420393240's digits is 42
• More coming soon!