821132428897023012

Names of 821132428897023012

• Cardinal: 821132428897023012 can be written as Eight hundred twenty-one quadrillion, one hundred thirty-two trillion, four hundred twenty-eight billion, eight hundred ninety-seven million, twenty-three thousand and twelve.

Scientific notation

• Scientific notation: 8.21132428897023012 × 10¹⁷

Factors of 821132428897023012

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 296223819948444

Divisors of 821132428897023012

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 126 132 154 198 231 252 308 396 462 693 924 1386 2772 296223819948421 592447639896842 888671459845263 1184895279793684 1777342919690526 2073566739638947 2666014379535789 3258462019432631 3554685839381052 4147133479277894 5332028759071578 6220700218916841 6516924038865262 8294266958555788 9775386058297893 10664057518143156 12441400437833682 13033848077730524 18662100656750523 19550772116595786 22809234136028417 24882800875667364 29326158174893679 37324201313501046 39101544233191572 45618468272056834 58652316349787358 68427702408085251 74648402627002092 91236936544113668 117304632699574716 136855404816170502 205283107224255753 273710809632341004 410566214448511506 821132428897023012
• Sum of all divisors σ(n): 2587811291069414592
• Sum of proper divisors (its aliquot sum) s(n): 1766678862172391580
• 821132428897023012 is an abundant number, because the sum of its proper divisors (1766678862172391580) is greater than itself. Its abundance is 945546433275368568

Bases of 821132428897023012

• Binary: 101101100101001111111001011111110001111101011111010000100100₂
• Hexadecimal: 0xB653F97F1F5F424
• Base-36: 68L75I7M8SH0

Squares and roots of 821132428897023012

• 821132428897023012 squared (821132428897023012²) is 674258465786324552435516556057552144
• 821132428897023012 cubed (821132428897023012³) is 553655491715504968783536821544994896629937901557937728
• The square root of 821132428897023012 is 906163577.3396671961
• The cube root of 821132428897023012 is 936420.8349769347

Scales and comparisons

• 821,132,428,897,023,012 seconds is equal to 26,109,471,309 years, 28 weeks, 6 days, 12 hours, 10 minutes, 12 seconds.
• To count from 1 to 821,132,428,897,023,012 would take you about seventy-eight billion, three hundred twenty-eight million, four hundred thirteen thousand, nine hundred twenty-eight 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 821132428897023012 cubic inches would be around 78035.1 feet tall.

Recreational maths with 821132428897023012

• 821132428897023012 backwards is 210320798824231128
• 821132428897023012 is a Harshad number.
• The number of decimal digits it has is: 18
• The sum of 821132428897023012's digits is 63
• More coming soon!