155404721296449

Names of 155404721296449

• Cardinal: 155404721296449 can be written as One hundred fifty-five trillion, four hundred four billion, seven hundred twenty-one million, two hundred ninety-six thousand, four hundred forty-nine.

Scientific notation

• Scientific notation: 1.55404721296449 × 10¹⁴

Factors of 155404721296449

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 93

Divisors of 155404721296449

• Number of divisors d(n): 165
• Complete list of divisors:
  1 3 9 27 29 61 81 87 183 243 261 549 729 783 841 1647 1769 2187 2349 2523 3721 4941 5307 6561 7047 7569 11163 14823 15921 19683 21141 22707 24389 33489 44469 47763 51301 59049 63423 68121 73167 100467 107909 133407 143289 153903 190269 204363 219501 301401 323727 400221 429867 461709 570807 613089 658503 707281 904203 971181 1200663 1289601 1385127 1487729 1712421 1839267 1975509 2121843 2712609 2913543 3129361 3601989 3868803 4155381 4463187 5517801 5926527 6365529 8137827 8740629 9388083 11606409 12466143 13389561 16553403 17779581 19096587 24413481 26221887 28164249 34819227 37398429 40168683 43144141 49660209 53338743 57289761 73240443 78665661 84492747 90751469 104457681 112195287 120506049 129432423 160016229 171869283 219721329 235996983 253478241 272254407 336585861 361518147 388297269 480048687 515607849 707990949 760434723 816763221 1009757583 1084554441 1164891807 1440146061 1546823547 2123972847 2281304169 2450289663 2631792601 3029272749 3253663323 3494675421 4640470641 6371918541 6843912507 7350868989 7895377803 9760989969 10484026263 13921411923 20531737521 22052606967 23686133409 29282969907 31452078789 41764235769 61595212563 66157820901 71058400227 87848909721 94356236367 184785637689 198473462703 213175200681 283068709101 595420388109 639525602043 849206127303 1786261164327 1918576806129 2547618381909 5358783492981 5755730418387 17267191255161 51801573765483 155404721296449
• Sum of all divisors σ(n): 245453728155519
• Sum of proper divisors (its aliquot sum) s(n): 90049006859070
• 155404721296449 is a deficient number, because the sum of its proper divisors (90049006859070) is less than itself. Its deficiency is 65355714437379

Bases of 155404721296449

• Binary: 100011010101011011111011001101011001010001000001₂
• Hexadecimal: 0x8D56FB359441
• Base-36: 1J33XYMN29

Squares and roots of 155404721296449

• 155404721296449 squared (155404721296449²) is 24150627401226989359340009601
• 155404721296449 cubed (155404721296449³) is 3753121520422064681524542704767712827206849
• 155404721296449 is a perfect square number. Its square root is 12466143
• The cube root of 155404721296449 is 53763.5663664235

Scales and comparisons

• 155,404,721,296,449 seconds is equal to 4,941,389 years, 22 weeks, 5 days, 17 hours, 54 minutes, 9 seconds.
• To count from 1 to 155,404,721,296,449 would take you about twelve million, three hundred fifty-three thousand, four hundred seventy-three 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 155404721296449 cubic inches would be around 4480.3 feet tall.

Recreational maths with 155404721296449

• 155404721296449 backwards is 944692127404551
• The number of decimal digits it has is: 15
• The sum of 155404721296449's digits is 63
• More coming soon!