820868031026472

Names of 820868031026472

• Cardinal: 820868031026472 can be written as Eight hundred twenty trillion, eight hundred sixty-eight billion, thirty-one million, twenty-six thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 8.20868031026472 × 10¹⁴

Factors of 820868031026472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 489090

Divisors of 820868031026472

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 8 11 12 13 22 24 26 33 39 44 52 66 78 88 104 132 143 156 264 286 312 429 572 858 1144 1716 3432 489061 978122 1467183 1956244 2934366 3912488 5379671 5868732 6357793 10759342 11737464 12715586 16139013 19073379 21518684 25431172 32278026 38146758 43037368 50862344 64556052 69935723 76293516 129112104 139871446 152587032 209807169 279742892 419614338 559485784 839228676 1678457352 239180661721 478361323442 717541985163 956722646884 1435083970326 1913445293768 2630987278931 2870167940652 3109348602373 5261974557862 5740335881304 6218697204746 7892961836793 9328045807119 10523949115724 12437394409492 15785923673586 18656091614238 21047898231448 24874788818984 31571847347172 34202834626103 37312183228476 63143694694344 68405669252206 74624366456952 102608503878309 136811338504412 205217007756618 273622677008824 410434015513236 820868031026472
• Sum of all divisors σ(n): 2410945999892640
• Sum of proper divisors (its aliquot sum) s(n): 1590077968866168
• 820868031026472 is an abundant number, because the sum of its proper divisors (1590077968866168) is greater than itself. Its abundance is 769209937839696

Bases of 820868031026472

• Binary: 10111010101001001100111011011001011001010100101000₂
• Hexadecimal: 0x2EA933B659528
• Base-36: 82Z1KFHLBC

Squares and roots of 820868031026472

• 820868031026472 squared (820868031026472²) is 673824324361276998033964766784
• 820868031026472 cubed (820868031026472³) is 553120846396184259536223253925311397610306048
• The square root of 820868031026472 is 28650794.5967729139
• The cube root of 820868031026472 is 93632.0317592049

Scales and comparisons

• 820,868,031,026,472 seconds is equal to 26,101,064 years, 14 weeks, 2 days, 3 hours, 21 minutes, 12 seconds.
• To count from 1 to 820,868,031,026,472 would take you about sixty-five million, two hundred fifty-two thousand, six hundred sixty 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 820868031026472 cubic inches would be around 7802.7 feet tall.

Recreational maths with 820868031026472

• 820868031026472 backwards is 274620130868028
• The number of decimal digits it has is: 15
• The sum of 820868031026472's digits is 57
• More coming soon!