400864021151977122818821

Names of 400864021151977122818821

• Cardinal: 400864021151977122818821 can be written as Four hundred sextillion, eight hundred sixty-four quintillion, twenty-one quadrillion, one hundred fifty-one trillion, nine hundred seventy-seven billion, one hundred twenty-two million, eight hundred eighteen thousand, eight hundred twenty-one.

Scientific notation

• Scientific notation: 4.00864021151977122818821 × 10²³

Factors of 400864021151977122818821

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 3
• Sum of prime factors: 3558723503904611

Divisors of 400864021151977122818821

• Number of divisors d(n): 8
• Complete list of divisors:
  1 373 301991 112642643 3558723503602247 1327403866843638131 1074702469576346173777 400864021151977122818821
• Sum of all divisors σ(n): 401940054584143929177984
• Sum of proper divisors (its aliquot sum) s(n): 1076033432166806359163
• 400864021151977122818821 is a deficient number, because the sum of its proper divisors (1076033432166806359163) is less than itself. Its deficiency is 399787987719810316459658

Bases of 400864021151977122818821

• Binary: 1010100111000101110000111010011010010010001110100111110001100111110101100000101₂
• Hexadecimal: 0x54E2E1D3491D3E33EB05
• Base-36: 1T9ZCWI943KZW6BP

Squares and roots of 400864021151977122818821

• 400864021151977122818821 squared (400864021151977122818821²) is 160691963454132762129423926938769002696791830041
• 400864021151977122818821 cubed (400864021151977122818821³) is 64415626637030210360903628168102045564865229322782289380934105068001661
• The square root of 400864021151977122818821 is 633138232262.1001875859
• The cube root of 400864021151977122818821 is 73733643.1729945713

Scales and comparisons

• 400,864,021,151,977,122,818,821 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 400,864,021,151,977,122,818,821 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 400864021151977122818821 cubic inches would be around 6144470.3 feet tall.

Recreational maths with 400864021151977122818821

• 400864021151977122818821 backwards is 128818221779151120468004
• The number of decimal digits it has is: 24
• The sum of 400864021151977122818821's digits is 88
• More coming soon!