1221320425394433

Names of 1221320425394433

• Cardinal: 1221320425394433 can be written as One quadrillion, two hundred twenty-one trillion, three hundred twenty billion, four hundred twenty-five million, three hundred ninety-four thousand, four hundred thirty-three.

Scientific notation

• Scientific notation: 1.221320425394433 × 10¹⁵

Factors of 1221320425394433

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 155785883

Divisors of 1221320425394433

• Number of divisors d(n): 72
• Complete list of divisors:
  1 3 7 13 21 39 47 91 141 169 273 329 507 611 987 1183 1833 2209 3549 4277 6627 7943 12831 15463 23829 28717 46389 55601 86151 166803 201019 373321 603057 1119963 2613247 7839741 155785813 467357439 1090500691 2025215569 3271502073 6075646707 7321933211 14176508983 21965799633 26327802397 42529526949 51253532477 78983407191 95185131743 153760597431 184294616779 285555395229 344130860917 552883850337 666295922201 1032392582751 1237406712659 1998887766603 2408916026419 3712220137977 4473701191921 7226748079257 8661846988613 13421103575763 25985540965839 31315908343447 58158115494973 93947725030341 174474346484919 407106808464811 1221320425394433
• Sum of all divisors σ(n): 2059019857351488
• Sum of proper divisors (its aliquot sum) s(n): 837699431957055
• 1221320425394433 is a deficient number, because the sum of its proper divisors (837699431957055) is less than itself. Its deficiency is 383620993437378

Bases of 1221320425394433

• Binary: 100010101101100100011010010000111001101000100000001₂
• Hexadecimal: 0x456C8D21CD101
• Base-36: C0X6UVPYBL

Squares and roots of 1221320425394433

• 1221320425394433 squared (1221320425394433²) is 1491623581485638783543627391489
• 1221320425394433 cubed (1221320425394433³) is 1821750347068408054630110974124450445732180737
• The square root of 1221320425394433 is 34947395.1160087609
• The cube root of 1221320425394433 is 106891.5086727589

Scales and comparisons

• 1,221,320,425,394,433 seconds is equal to 38,834,211 years, 38 weeks, 1 day, 16 hours, 40 minutes, 33 seconds.
• To count from 1 to 1,221,320,425,394,433 would take you about one hundred sixteen million, five hundred two thousand, six hundred thirty-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 1221320425394433 cubic inches would be around 8907.6 feet tall.

Recreational maths with 1221320425394433

• 1221320425394433 backwards is 3344935240231221
• The number of decimal digits it has is: 16
• The sum of 1221320425394433's digits is 48
• More coming soon!