381030491287997421

Names of 381030491287997421

• Cardinal: 381030491287997421 can be written as Three hundred eighty-one quadrillion, thirty trillion, four hundred ninety-one billion, two hundred eighty-seven million, nine hundred ninety-seven thousand, four hundred twenty-one.

Scientific notation

• Scientific notation: 3.81030491287997421 × 10¹⁷

Factors of 381030491287997421

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1012

Divisors of 381030491287997421

• Number of divisors d(n): 64
• Complete list of divisors:
  1 3 13 39 313 683 939 2049 4069 8879 12207 26637 97969 213779 293907 466489 641337 1273597 1399467 2779127 3820791 6064357 8337381 18193071 30664297 66912827 91992891 146011057 200738481 318611987 398635861 438033171 869866751 955835961 1195907583 1898143741 2609600253 4141955831 5694431223 12425867493 20943714851 45701460841 62831144553 99725551931 137104382523 272268293063 299176655793 594118990933 816804879189 1296432175103 1782356972799 3889296525309 14304557243233 31214097754403 42913671729699 93642293263209 185959244162029 405783270807239 557877732486087 1217349812421717 9770012597128139 29310037791384417 127010163762665807 381030491287997421
• Sum of all divisors σ(n): 549679098406636800
• Sum of proper divisors (its aliquot sum) s(n): 168648607118639379
• 381030491287997421 is a deficient number, because the sum of its proper divisors (168648607118639379) is less than itself. Its deficiency is 212381884169358042

Bases of 381030491287997421

• Binary: 10101001001101100010011011010001001110100000100101111101101₂
• Hexadecimal: 0x549B13689D04BED
• Base-36: 2W7S1B794IJX

Squares and roots of 381030491287997421

• 381030491287997421 squared (381030491287997421²) is 145184235291172678543669936502651241
• 381030491287997421 cubed (381030491287997421³) is 55319620500267739004994636333783002747986648070449461
• The square root of 381030491287997421 is 617276673.2090217427
• The cube root of 381030491287997421 is 724969.7910761257

Scales and comparisons

• 381,030,491,287,997,421 seconds is equal to 12,115,591,018 years, 13 weeks, 5 days, 2 hours, 50 minutes, 21 seconds.
• To count from 1 to 381,030,491,287,997,421 would take you about thirty-six billion, three hundred forty-six million, seven hundred seventy-three thousand and fifty-four 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 381030491287997421 cubic inches would be around 60414.1 feet tall.

Recreational maths with 381030491287997421

• 381030491287997421 backwards is 124799782194030183
• The number of decimal digits it has is: 18
• The sum of 381030491287997421's digits is 78
• More coming soon!