1440149139

Names of 1440149139

• Cardinal: 1440149139 can be written as One billion, four hundred forty million, one hundred forty-nine thousand, one hundred thirty-nine.

Scientific notation

• Scientific notation: 1.440149139 × 10⁹

Factors of 1440149139

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 243

Divisors of 1440149139

• Number of divisors d(n): 120
• Complete list of divisors:
  1 3 9 11 13 27 33 39 81 89 99 117 121 127 143 267 297 351 363 381 429 801 891 979 1053 1089 1143 1157 1287 1397 1573 1651 2403 2937 3267 3429 3471 3861 4191 4719 4953 7209 8811 9801 10287 10413 10769 11303 11583 12573 12727 14157 14859 15367 18161 26433 31239 32307 33909 37719 38181 42471 44577 46101 54483 79299 93717 96921 101727 113157 114543 124333 127413 133731 138303 139997 146939 163449 199771 290763 305181 343629 372999 414909 419991 440817 490347 599313 872289 915543 1030887 1118997 1244727 1259973 1322451 1367663 1471041 1616329 1797939 3356991 3779919 3967353 4102989 4848987 5393817 10070973 11339757 11902059 12308967 14546961 16181451 17779619 36926901 43640883 53338857 110780703 130922649 160016571 480049713 1440149139
• Sum of all divisors σ(n): 2595479040
• Sum of proper divisors (its aliquot sum) s(n): 1155329901
• 1440149139 is a deficient number, because the sum of its proper divisors (1155329901) is less than itself. Its deficiency is 284819238

Bases of 1440149139

• Binary: 1010101110101101110111010010011₂
• Hexadecimal: 0x55D6EE93
• Base-36: NTFE6R

Squares and roots of 1440149139

• 1440149139 squared (1440149139²) is 2074029542562441321
• 1440149139 cubed (1440149139³) is 2986911859981863722176172619
• The square root of 1440149139 is 37949.2969500095
• The cube root of 1440149139 is 1129.2822180817

Scales and comparisons

• 1,440,149,139 seconds is equal to 45 years, 41 weeks, 1 day, 9 hours, 25 minutes, 39 seconds.
• To count from 1 to 1,440,149,139 would take you about ninety-one 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 1440149139 cubic inches would be around 94.1 feet tall.

Recreational maths with 1440149139

• 1440149139 backwards is 9319410441
• The number of decimal digits it has is: 10
• The sum of 1440149139's digits is 36
• More coming soon!