821145599999998

Names of 821145599999998

• Cardinal: 821145599999998 can be written as Eight hundred twenty-one trillion, one hundred forty-five billion, five hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-eight.

Scientific notation

• Scientific notation: 8.21145599999998 × 10¹⁴

Factors of 821145599999998

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 6
• Sum of prime factors: 2329266568

Divisors of 821145599999998

• Number of divisors d(n): 48
• Complete list of divisors:
  1 2 7 13 14 26 91 149 169 182 298 338 1043 1183 1937 2086 2366 3874 13559 25181 27118 50362 176267 352534 2329266397 4658532794 16304864779 30280463161 32609729558 60560926322 211963242127 347060693153 393646021093 423926484254 694121386306 787292042186 2429424852071 2755522147651 4511789010989 4858849704142 5511044295302 9023578021978 31582523076923 58653257142857 63165046153846 117306514285714 410572799999999 821145599999998
• Sum of all divisors σ(n): 1534520703002400
• Sum of proper divisors (its aliquot sum) s(n): 713375103002402
• 821145599999998 is a deficient number, because the sum of its proper divisors (713375103002402) is less than itself. Its deficiency is 107770496997596

Bases of 821145599999998

• Binary: 10111010101101001111011011110010111111111111111110₂
• Hexadecimal: 0x2EAD3DBCBFFFE
• Base-36: 832L2WVZZY

Squares and roots of 821145599999998

• 821145599999998 squared (821145599999998²) is 674280096399356715417600000004
• 821145599999998 cubed (821145599999998³) is 553682134325906261135421603849853747199999992
• The square root of 821145599999998 is 28655638.1886706197
• The cube root of 821145599999998 is 93642.5841732999

Scales and comparisons

• 821,145,599,999,998 seconds is equal to 26,109,890 years, 5 weeks, 4 days, 23 hours, 59 minutes, 58 seconds.
• To count from 1 to 821,145,599,999,998 would take you about sixty-five million, two hundred seventy-four thousand, seven hundred twenty-five 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 821145599999998 cubic inches would be around 7803.5 feet tall.

Recreational maths with 821145599999998

• 821145599999998 backwards is 899999995541128
• The number of decimal digits it has is: 15
• The sum of 821145599999998's digits is 97
• More coming soon!