1918426449555

Names of 1918426449555

• Cardinal: 1918426449555 can be written as One trillion, nine hundred eighteen billion, four hundred twenty-six million, four hundred forty-nine thousand, five hundred fifty-five.

Scientific notation

• Scientific notation: 1.918426449555 × 10¹²

Factors of 1918426449555

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 11456

Divisors of 1918426449555

• Number of divisors d(n): 240
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 33 35 45 49 55 63 77 81 99 105 135 147 165 189 231 245 297 315 385 405 441 495 539 567 693 735 829 891 945 1155 1323 1485 1617 2079 2205 2487 2695 2835 3465 3969 4145 4455 4851 5803 6237 6615 7461 8085 9119 10395 10601 12435 14553 17409 19845 22383 24255 27357 29015 31185 31803 37305 40621 43659 45595 52227 53005 63833 67149 72765 74207 82071 87045 95409 111915 116611 121863 136785 156681 159015 191499 203105 218295 222621 246213 261135 286227 319165 335745 349833 365589 371035 410355 446831 470043 477045 519449 574497 583055 609315 667863 738639 783405 816277 858681 957495 1049499 1096767 1113105 1231065 1340493 1431135 1558347 1723491 1749165 1827945 2003589 2234155 2350215 2448831 2597245 2872485 3148497 3290301 3339315 3693195 4021479 4081385 4293405 4675041 5170473 5247495 5483835 5713939 6010767 6702465 7346493 7791735 8617455 8788229 9445491 10017945 12064437 12244155 14025123 15742485 16451505 17141817 20107395 22039479 23375205 25852365 26364687 28569695 30053835 36193311 36732465 42075369 43941145 47227455 51425451 60322185 61517603 66118437 70125615 79094061 85709085 96670519 110197395 131823435 154276353 180966555 184552809 210376845 237282183 257127255 290011557 307588015 330592185 395470305 430623221 462829059 483352595 553658427 676693633 711846549 771381765 870034671 922764045 1186410915 1291869663 1450057785 1660975281 2030080899 2153116105 2314145295 2610104013 2768292135 3383468165 3559232745 3875608989 4350173355 4736855431 4982925843 6090242697 6459348315 7830312039 8304876405 10150404495 11626826967 13050520065 14210566293 18270728091 19378044945 23684277155 24914629215 30451213485 34880480901 39151560195 42631698879 54812184273 58134134835 71052831465 91353640455 127895096637 174402404505 213158494395 274060921365 383685289911 639475483185 1918426449555
• Sum of all divisors σ(n): 4369770361440
• Sum of proper divisors (its aliquot sum) s(n): 2451343911885
• 1918426449555 is an abundant number, because the sum of its proper divisors (2451343911885) is greater than itself. Its abundance is 532917462330

Bases of 1918426449555

• Binary: 11011111010101011001000001000011010010011₂
• Hexadecimal: 0x1BEAB208693
• Base-36: OHB9KQ6R

Squares and roots of 1918426449555

• 1918426449555 squared (1918426449555²) is 3680360042352202959698025
• 1918426449555 cubed (1918426449555³) is 7060500049133826154806244855695628875
• The square root of 1918426449555 is 1385072.7235618353
• The cube root of 1918426449555 is 12425.5336881125

Scales and comparisons

• 1,918,426,449,555 seconds is equal to 61,000 years, 1 week, 2 days, 19 hours, 59 minutes, 15 seconds.
• To count from 1 to 1,918,426,449,555 would take you about one hundred fifty-two thousand, five hundred 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 1918426449555 cubic inches would be around 1035.5 feet tall.

Recreational maths with 1918426449555

• 1918426449555 backwards is 5559446248191
• 1918426449555 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1918426449555's digits is 63
• More coming soon!