1821220148783161764

Names of 1821220148783161764

• Cardinal: 1821220148783161764 can be written as One quintillion, eight hundred twenty-one quadrillion, two hundred twenty trillion, one hundred forty-eight billion, seven hundred eighty-three million, one hundred sixty-one thousand, seven hundred sixty-four.

Scientific notation

• Scientific notation: 1.821220148783161764 × 10¹⁸

Factors of 1821220148783161764

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 112171726335556

Divisors of 1821220148783161764

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 11 12 18 22 33 36 41 44 66 82 99 123 132 164 198 246 369 396 451 492 738 902 1353 1476 1804 2706 4059 5412 8118 16236 112171726335499 224343452670998 336515179006497 448686905341996 673030358012994 1009545537019491 1233888989690489 1346060716025988 2019091074038982 2467777979380978 3701666969071467 4038182148077964 4599040779755459 4935555958761956 7403333938142934 9198081559510918 11105000907214401 13797122339266377 14806667876285868 18396163119021836 22210001814428802 27594244678532754 41391367017799131 44420003628857604 50589448577310049 55188489357065508 82782734035598262 101178897154620098 151768345731930147 165565468071196524 202357794309240196 303536691463860294 455305037195790441 607073382927720588 910610074391580882 1821220148783161764
• Sum of all divisors σ(n): 5144644056651372000
• Sum of proper divisors (its aliquot sum) s(n): 3323423907868210236
• 1821220148783161764 is an abundant number, because the sum of its proper divisors (3323423907868210236) is greater than itself. Its abundance is 1502203759085048472

Bases of 1821220148783161764

• Binary: 1100101000110010001100001001101111010000000010010000110100100₂
• Hexadecimal: 0x194646137A0121A4
• Base-36: DU4GNU62PUP0

Squares and roots of 1821220148783161764

• 1821220148783161764 squared (1821220148783161764²) is 3316842830333761872093384492591591696
• 1821220148783161764 cubed (1821220148783161764³) is 6040700992950817168005612431923160904092966892207111744
• The square root of 1821220148783161764 is 1349525897.7815734249
• The cube root of 1821220148783161764 is 1221201.9304121717

Scales and comparisons

• 1,821,220,148,783,161,764 seconds is equal to 57,909,167,327 years, 26 weeks, 2 days, 12 hours, 29 minutes, 24 seconds.
• To count from 1 to 1,821,220,148,783,161,764 would take you about two hundred two billion, six hundred eighty-two million, eighty-five thousand, six hundred forty-six 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 1821220148783161764 cubic inches would be around 101766.8 feet tall.

Recreational maths with 1821220148783161764

• 1821220148783161764 backwards is 4671613878410221281
• The number of decimal digits it has is: 19
• The sum of 1821220148783161764's digits is 72
• More coming soon!