1918900956209013

Names of 1918900956209013

• Cardinal: 1918900956209013 can be written as One quadrillion, nine hundred eighteen trillion, nine hundred billion, nine hundred fifty-six million, two hundred nine thousand and thirteen.

Scientific notation

• Scientific notation: 1.918900956209013 × 10¹⁵

Factors of 1918900956209013

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 91867

Divisors of 1918900956209013

• Number of divisors d(n): 256
• Complete list of divisors:
  1 3 7 9 21 27 37 63 67 97 111 189 201 259 291 333 463 469 603 679 777 873 999 1389 1407 1809 2037 2331 2479 2619 3241 3589 4167 4221 6111 6499 6993 7437 9723 10767 12501 12663 17131 17353 18333 19497 22311 25123 29169 31021 32301 44911 45493 51393 52059 58491 66933 75369 87507 91193 93063 96903 119917 134733 136479 154179 156177 175473 217147 226107 240463 273579 279189 314377 359751 404199 409437 462537 468531 638351 651441 678321 721389 820737 837567 943131 1079253 1147777 1212597 1228311 1661707 1683241 1915053 1954323 2164167 2462211 2829393 3009037 3237759 3374141 3443331 4985121 5049723 5745159 5862969 6109931 6492501 8034439 8488179 8845721 9027111 10122423 10329993 11631949 14955363 15149169 17235477 18329793 21063259 23618987 24103317 26537163 27081333 30367269 30989979 34895847 42222359 42769517 44866089 45447507 54989379 61920047 63189777 70856961 72309951 79611489 81243999 91101807 104687541 111334369 126667077 128308551 164968137 185760141 189569331 212570883 216929853 226067447 238834467 295556513 314062623 327291677 334003107 380001231 384925653 557280423 568707993 592663307 637712649 678202341 779340583 886669539 981875031 1002009321 1140003693 1154776959 1562227283 1582472129 1671841269 1777989921 2034607023 2291041739 2338021749 2660008617 2828898053 2945625093 3006027963 4095568823 4148643149 4686681849 4747416387 5333969763 6103821069 6873125217 7014065247 7980025851 8486694159 8836875279 10935590981 12286706469 12445929447 14060045547 14242249161 16001909289 19802286371 20619375651 21042195741 21928542359 25460082477 28668981761 32806772943 36860119407 37337788341 42180136641 42726747483 59406859113 61858126953 65785627077 76380247431 86006945283 98420318829 104669227961 110580358221 112013365023 151536046451 153499796513 178220577339 197356881231 258020835849 274403111141 295260956487 314007683883 454608139353 460499389539 534661732017 592070643693 732684595727 774062507547 823209333423 942023051649 1060752325157 1363824418059 1381498168617 1920821777987 2198053787181 2469628000269 2826069154947 3182256975471 4091473254177 4144494505851 5762465333961 6594161361543 7408884000807 9546770926413 10152915112217 17287396001883 19782484084629 28640312779239 30458745336651 51862188005649 71070405785519 91376236009953 213211217356557 274128708029859 639633652069671 1918900956209013
• Sum of all divisors σ(n): 3428884127907840
• Sum of proper divisors (its aliquot sum) s(n): 1509983171698827
• 1918900956209013 is a deficient number, because the sum of its proper divisors (1509983171698827) is less than itself. Its deficiency is 408917784510186

Bases of 1918900956209013

• Binary: 110110100010011101011110001110110101001111101110101₂
• Hexadecimal: 0x6D13AF1DA9F75
• Base-36: IW6YXGRSZ9

Squares and roots of 1918900956209013

• 1918900956209013 squared (1918900956209013²) is 3682180879739864427076542434169
• 1918900956209013 cubed (1918900956209013³) is 7065740411067370552644637845598010529356965197
• The square root of 1918900956209013 is 43805261.7411312017
• The cube root of 1918900956209013 is 124265.5805409293

Scales and comparisons

• 1,918,900,956,209,013 seconds is equal to 61,015,114 years, 44 weeks, 3 days, 23 hours, 23 minutes, 33 seconds.
• To count from 1 to 1,918,900,956,209,013 would take you about one hundred eighty-three million, forty-five thousand, three hundred forty-four 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 1918900956209013 cubic inches would be around 10355.5 feet tall.

Recreational maths with 1918900956209013

• 1918900956209013 backwards is 3109026590098191
• 1918900956209013 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 1918900956209013's digits is 63
• More coming soon!