400252366232895201921

Names of 400252366232895201921

• Cardinal: 400252366232895201921 can be written as Four hundred quintillion, two hundred fifty-two quadrillion, three hundred sixty-six trillion, two hundred thirty-two billion, eight hundred ninety-five million, two hundred one thousand, nine hundred twenty-one.

Scientific notation

• Scientific notation: 4.00252366232895201921 × 10²⁰

Factors of 400252366232895201921

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 65258

Divisors of 400252366232895201921

• Number of divisors d(n): 90
• Complete list of divisors:
  1 3 7 9 21 27 49 63 81 147 189 441 567 1323 3969 5297 15891 37079 47673 59951 111237 143019 179853 259553 333711 419657 429057 539559 778659 1001133 1258971 1618677 2335977 2937599 3003399 3776913 4856031 7007931 8812797 11330739 21023793 26438391 33992217 79315173 237945519 317560447 952681341 2222923129 2858044023 3594122401 6668769387 8574132069 10782367203 15560461903 20006308161 25158856807 25722396207 32347101609 46681385709 60018924483 75476570421 97041304827 140044157127 176111997649 180056773449 226429711263 291123914481 420132471381 528335992947 679289133789 1260397414143 1585007978841 2037867401367 4755023936523 14265071809569 19038066358097 57114199074291 133266464506679 171342597222873 399799393520037 514027791668619 932865251546753 1199398180560111 1542083375005857 2798595754640259 3598194541680333 8395787263920777 10794583625040999 25187361791762331 75562085375286993
• Sum of all divisors σ(n): 400308136670518334946
• Sum of proper divisors (its aliquot sum) s(n): 55770437623133025
• 400252366232895201921 is a deficient number, because the sum of its proper divisors (55770437623133025) is less than itself. Its deficiency is 400196595795272068896

Bases of 400252366232895201921

• Binary: 101011011001010011110000011100111010111111101010001011010001010000001₂
• Hexadecimal: 0x15B29E0E75FD45A281
• Base-36: 2CGXH2ETZXO329

Squares and roots of 400252366232895201921

• 400252366232895201921 squared (400252366232895201921²) is 160201956675031667252096165249823362090241
• 400252366232895201921 cubed (400252366232895201921³) is 64121212234321184990547002524515001375061061083795774318552961
• 400252366232895201921 is a perfect square number. Its square root is 20006308161
• The cube root of 400252366232895201921 is 7369612.2134368657

Scales and comparisons

• 400,252,366,232,895,201,921 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 400,252,366,232,895,201,921 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and nine 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 400252366232895201921 cubic inches would be around 614134.4 feet tall.

Recreational maths with 400252366232895201921

• 400252366232895201921 backwards is 129102598232663252004
• The number of decimal digits it has is: 21
• The sum of 400252366232895201921's digits is 72
• More coming soon!