142474021851

Names of 142474021851

• Cardinal: 142474021851 can be written as One hundred forty-two billion, four hundred seventy-four million, twenty-one thousand, eight hundred fifty-one.

Scientific notation

• Scientific notation: 1.42474021851 × 10¹¹

Factors of 142474021851

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3193

Divisors of 142474021851

• Number of divisors d(n): 80
• Complete list of divisors:
  1 3 7 19 21 49 57 133 147 343 373 399 931 1029 1119 2401 2611 2791 2793 6517 7087 7203 7833 8373 18277 19537 19551 21261 45619 49609 53029 54831 58611 127939 136759 136857 148827 159087 347263 371203 383817 410277 895573 957313 1041043 1041789 1113609 2430841 2598421 2686719 2871939 3123129 6701191 7287301 7292523 7795263 17015887 18188947 19779817 20103573 21861903 51011107 51047661 54566841 59339451 127322629 138458719 153033321 357077749 381967887 415376157 969211033 1071233247 2499544243 2907633099 6784477231 7498632729 20353431693 47491340617 142474021851
• Sum of all divisors σ(n): 233986128640
• Sum of proper divisors (its aliquot sum) s(n): 91512106789
• 142474021851 is a deficient number, because the sum of its proper divisors (91512106789) is less than itself. Its deficiency is 50961915062

Bases of 142474021851

• Binary: 10000100101100000111010000101111011011₂
• Hexadecimal: 0x212C1D0BDB
• Base-36: 1TG9CQU3

Squares and roots of 142474021851

• 142474021851 squared (142474021851²) is 20298846902399225466201
• 142474021851 cubed (142474021851³) is 2892058357122530913396996935958051
• The square root of 142474021851 is 377457.3112962577
• The cube root of 142474021851 is 5222.9022123005

Scales and comparisons

• 142,474,021,851 seconds is equal to 4,530 years, 12 weeks, 21 hours, 10 minutes, 51 seconds.
• To count from 1 to 142,474,021,851 would take you about nine thousand and sixty 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 142474021851 cubic inches would be around 435.2 feet tall.

Recreational maths with 142474021851

• 142474021851 backwards is 158120474241
• The number of decimal digits it has is: 12
• The sum of 142474021851's digits is 39
• More coming soon!