8185296990

Names of 8185296990

• Cardinal: 8185296990 can be written as Eight billion, one hundred eighty-five million, two hundred ninety-six thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.18529699 × 10⁹

Factors of 8185296990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 297

Divisors of 8185296990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 10 13 15 26 30 39 41 65 78 82 123 130 169 195 205 233 246 338 390 410 466 507 533 615 699 845 1014 1066 1165 1230 1398 1599 1690 2197 2330 2535 2665 3029 3198 3495 4394 5070 5330 6058 6591 6929 6990 7995 9087 9553 10985 13182 13858 15145 15990 18174 19106 20787 21970 28561 28659 30290 32955 34645 39377 41574 45435 47765 57122 57318 65910 69290 78754 85683 90077 90870 95530 103935 118131 124189 142805 143295 171366 180154 196885 207870 236262 248378 270231 285610 286590 372567 393770 428415 450385 511901 540462 590655 620945 745134 856830 900770 1023802 1171001 1181310 1241890 1351155 1535703 1614457 1862835 2342002 2559505 2702310 3071406 3228914 3513003 3725670 4843371 5119010 5855005 6654713 7026006 7678515 8072285 9686742 11710010 13309426 15357030 16144570 17565015 19964139 20987941 24216855 33273565 35130030 39928278 41975882 48433710 62963823 66547130 99820695 104939705 125927646 199641390 209879410 272843233 314819115 545686466 629638230 818529699 1364216165 1637059398 2728432330 4092648495 8185296990
• Sum of all divisors σ(n): 21894346656
• Sum of proper divisors (its aliquot sum) s(n): 13709049666
• 8185296990 is an abundant number, because the sum of its proper divisors (13709049666) is greater than itself. Its abundance is 5523752676

Bases of 8185296990

• Binary: 111100111111000011011100001011110₂
• Hexadecimal: 0x1E7E1B85E
• Base-36: 3RDBBKU

Squares and roots of 8185296990

• 8185296990 squared (8185296990²) is 66999086814503060100
• 8185296990 cubed (8185296990³) is 548407423635500586182319099000
• The square root of 8185296990 is 90472.6311654525
• The cube root of 8185296990 is 2015.3237079661

Scales and comparisons

• 8,185,296,990 seconds is equal to 260 years, 13 weeks, 6 days, 5 hours, 36 minutes, 30 seconds.
• To count from 1 to 8,185,296,990 would take you about five hundred twenty 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 8185296990 cubic inches would be around 167.9 feet tall.

Recreational maths with 8185296990

• 8185296990 backwards is 0996925818
• The number of decimal digits it has is: 10
• The sum of 8185296990's digits is 57
• More coming soon!