8168040972

Names of 8168040972

• Cardinal: 8168040972 can be written as Eight billion, one hundred sixty-eight million, forty thousand, nine hundred seventy-two.

Scientific notation

• Scientific notation: 8.168040972 × 10⁹

Factors of 8168040972

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1091

Divisors of 8168040972

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 81 84 91 108 117 126 156 162 182 189 234 252 273 324 351 364 378 449 468 546 567 617 702 756 819 898 1053 1092 1134 1234 1347 1404 1638 1796 1851 2106 2268 2457 2468 2694 3143 3276 3702 4041 4212 4319 4914 5388 5553 5837 6286 7371 7404 8021 8082 8638 9429 9828 11106 11674 12123 12572 12957 14742 16042 16164 16659 17276 17511 18858 22212 23348 24063 24246 25914 28287 29484 32084 33318 35022 36369 37716 38871 40859 48126 48492 49977 51828 52533 56147 56574 66636 70044 72189 72738 77742 81718 84861 96252 99954 105066 112294 113148 116613 122577 144378 145476 155484 157599 163436 168441 169722 199908 210132 216567 224588 233226 245154 254583 277033 288756 315198 336882 339444 349839 367731 433134 466452 472797 490308 505323 509166 554066 630396 649701 673764 699678 735462 831099 866268 945594 1010646 1018332 1103193 1108132 1299402 1399356 1470924 1515969 1662198 1891188 1939231 2021292 2206386 2493297 2598804 3031938 3309579 3324396 3601429 3878462 4412772 4547907 4986594 5817693 6063876 6619158 7202858 7479891 7756924 9095814 9973188 10804287 11635386 13238316 14405716 14959782 17453079 18191628 21608574 22439673 23270772 25210003 29919564 32412861 34906158 43217148 44879346 50420006 52359237 64825722 69812316 75630009 89758692 97238583 100840012 104718474 129651444 151260018 157077711 194477166 209436948 226890027 291715749 302520036 314155422 388954332 453780054 583431498 628310844 680670081 907560108 1166862996 1361340162 2042010243 2722680324 4084020486 8168040972
• Sum of all divisors σ(n): 26381678400
• Sum of proper divisors (its aliquot sum) s(n): 18213637428
• 8168040972 is an abundant number, because the sum of its proper divisors (18213637428) is greater than itself. Its abundance is 10045596456

Bases of 8168040972

• Binary: 111100110110110100110101000001100₂
• Hexadecimal: 0x1E6DA6A0C
• Base-36: 3R31GR0

Squares and roots of 8168040972

• 8168040972 squared (8168040972²) is 66716893320270704784
• 8168040972 cubed (8168040972³) is 544946318164524234807028410048
• The square root of 8168040972 is 90377.2148940207
• The cube root of 8168040972 is 2013.9064949175

Scales and comparisons

• 8,168,040,972 seconds is equal to 259 years, 37 weeks, 2 days, 12 hours, 16 minutes, 12 seconds.
• To count from 1 to 8,168,040,972 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 8168040972 cubic inches would be around 167.8 feet tall.

Recreational maths with 8168040972

• 8168040972 backwards is 2790408618
• The number of decimal digits it has is: 10
• The sum of 8168040972's digits is 45
• More coming soon!