8168145440

Names of 8168145440

• Cardinal: 8168145440 can be written as Eight billion, one hundred sixty-eight million, one hundred forty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 8.16814544 × 10⁹

Factors of 8168145440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1827

Divisors of 8168145440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 65 70 80 91 104 112 130 140 160 182 208 224 260 280 364 401 416 455 520 560 728 802 910 1040 1120 1399 1456 1604 1820 2005 2080 2798 2807 2912 3208 3640 4010 5213 5596 5614 6416 6995 7280 8020 9793 10426 11192 11228 12832 13990 14035 14560 16040 18187 19586 20852 22384 22456 26065 27980 28070 32080 36374 36491 39172 41704 44768 44912 48965 52130 55960 56140 64160 72748 72982 78344 83408 89824 90935 97930 104260 111920 112280 127309 145496 145964 156688 166816 181870 182455 195860 208520 223840 224560 254618 290992 291928 313376 363740 364910 391720 417040 449120 509236 560999 581984 583856 636545 727480 729820 783440 834080 1018472 1121998 1167712 1273090 1454960 1459640 1566880 2036944 2243996 2546180 2804995 2909920 2919280 3926993 4073888 4487992 5092360 5609990 5838560 7292987 7853986 8975984 10184720 11219980 14585974 15707972 17951968 19634965 20369440 22439960 29171948 31415944 36464935 39269930 44879920 51050909 58343896 62831888 72929870 78539860 89759840 102101818 116687792 125663776 145859740 157079720 204203636 233375584 255254545 291719480 314159440 408407272 510509090 583438960 628318880 816814544 1021018180 1166877920 1633629088 2042036360 4084072720 8168145440
• Sum of all divisors σ(n): 23826700800
• Sum of proper divisors (its aliquot sum) s(n): 15658555360
• 8168145440 is an abundant number, because the sum of its proper divisors (15658555360) is greater than itself. Its abundance is 7490409920

Bases of 8168145440

• Binary: 111100110110111000000001000100000₂
• Hexadecimal: 0x1E6DC0220
• Base-36: 3R33PCW

Squares and roots of 8168145440

• 8168145440 squared (8168145440²) is 66718599928992793600
• 8168145440 cubed (8168145440³) is 544967227773186810836701184000
• The square root of 8168145440 is 90377.7928475795
• The cube root of 8168145440 is 2013.9150807333

Scales and comparisons

• 8,168,145,440 seconds is equal to 259 years, 37 weeks, 3 days, 17 hours, 17 minutes, 20 seconds.
• To count from 1 to 8,168,145,440 would take you about five hundred nineteen 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 8168145440 cubic inches would be around 167.8 feet tall.

Recreational maths with 8168145440

• 8168145440 backwards is 0445418618
• The number of decimal digits it has is: 10
• The sum of 8168145440's digits is 41
• More coming soon!