42420791655

Names of 42420791655

• Cardinal: 42420791655 can be written as Forty-two billion, four hundred twenty million, seven hundred ninety-one thousand, six hundred fifty-five.

Scientific notation

• Scientific notation: 4.2420791655 × 10¹⁰

Factors of 42420791655

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 289

Divisors of 42420791655

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 9 11 15 19 33 41 45 55 57 73 95 99 121 123 137 165 171 205 209 219 285 363 365 369 411 451 495 605 615 627 657 685 779 803 855 1045 1089 1095 1233 1353 1387 1507 1815 1845 1881 2055 2255 2299 2337 2409 2603 2993 3135 3285 3895 4015 4059 4161 4521 4961 5445 5617 6165 6765 6897 6935 7011 7227 7535 7809 8569 8833 8979 9405 10001 11495 11685 12045 12483 13015 13563 14883 14965 15257 16577 16851 20295 20691 20805 22605 23427 24805 25707 26499 26937 28085 28633 30003 32923 34485 35055 36135 39045 42845 44165 44649 44895 45771 49731 50005 50553 56867 61787 62415 67815 74415 76285 77121 79497 82885 84255 85899 90009 94259 98769 103455 106723 110011 117135 128535 132495 134685 137313 143165 149193 150015 164615 167827 170601 185361 190019 223245 228855 248655 252765 257697 282777 284335 296307 308935 314963 320169 330033 362153 385605 397485 410041 429495 450045 471295 493845 503481 511803 533615 550055 556083 570057 625537 679657 686565 745965 839135 848331 853005 926805 944889 950095 960507 990099 1086459 1173953 1210121 1230123 1288485 1413885 1481535 1510443 1574815 1600845 1650165 1710171 1810765 1876611 2038971 2050205 2090209 2517405 2559015 2780415 2834667 2850285 3127685 3259377 3398285 3521859 3630363 3690369 4241655 4510451 4724445 4802535 4950495 5432295 5629833 5869765 6050605 6116913 6150615 6270627 6880907 7552215 7790779 8550855 9383055 10194855 10451045 10565577 10891089 12913483 13531353 14173335 16296885 17609295 18151815 18451845 18811881 20642721 22552255 22992299 23372337 28149165 30584565 31353135 34404535 38740449 38953895 40594059 49614961 52827885 54455445 61928163 64567415 67656765 68976897 70117011 85698569 94059405 103213605 114961495 116221347 116861685 148844883 193702245 202970295 206930691 248074805 257095707 309640815 344884485 350585055 428492845 446534649 581106735 744224415 771287121 942684259 1034653455 1285478535 2232673245 2828052777 3856435605 4713421295 8484158331 14140263885 42420791655
• Sum of all divisors σ(n): 88989001920
• Sum of proper divisors (its aliquot sum) s(n): 46568210265
• 42420791655 is an abundant number, because the sum of its proper divisors (46568210265) is greater than itself. Its abundance is 4147418610

Bases of 42420791655

• Binary: 100111100000011110011110100101100111₂
• Hexadecimal: 0x9E079E967
• Base-36: JHK8SBR

Squares and roots of 42420791655

• 42420791655 squared (42420791655²) is 1799523564636917639025
• 42420791655 cubed (42420791655³) is 76337214213725608886474022336375
• The square root of 42420791655 is 205963.0832333795
• The cube root of 42420791655 is 3487.5966862623

Scales and comparisons

• 42,420,791,655 seconds is equal to 1,348 years, 44 weeks, 1 day, 9 hours, 14 minutes, 15 seconds.
• To count from 1 to 42,420,791,655 would take you about two thousand, six hundred ninety-seven 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 42420791655 cubic inches would be around 290.6 feet tall.

Recreational maths with 42420791655

• 42420791655 backwards is 55619702424
• 42420791655 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 42420791655's digits is 45
• More coming soon!