18506731012

Names of 18506731012

• Cardinal: 18506731012 can be written as Eighteen billion, five hundred six million, seven hundred thirty-one thousand and twelve.

Scientific notation

• Scientific notation: 1.8506731012 × 10¹⁰

Factors of 18506731012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1451

Divisors of 18506731012

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 11 14 17 22 28 34 44 49 53 68 77 98 106 119 154 187 196 212 238 308 343 371 374 476 539 583 686 742 748 833 901 1078 1166 1309 1361 1372 1484 1666 1802 2156 2332 2597 2618 2722 3332 3604 3773 4081 5194 5236 5444 5831 6307 7546 8162 9163 9527 9911 10388 11662 12614 14971 15092 16324 18179 18326 19054 19822 23137 23324 25228 28567 29942 36358 36652 38108 39644 44149 46274 57134 59884 64141 66689 69377 72133 72716 88298 92548 104797 114268 128282 133378 138754 144266 161959 176596 199969 209594 254507 256564 266756 277508 288532 309043 323918 399938 419188 466823 485639 504931 509014 618086 647836 733579 793463 799876 933646 971278 1009862 1018028 1133713 1226261 1236172 1467158 1586926 1781549 1867292 1942556 2019724 2267426 2452522 2934316 3173852 3399473 3534517 3563098 4534852 4905044 5135053 5554241 6798946 7069034 7126196 7935991 8583827 10270106 11108482 12470843 13488871 13597892 14138068 15871982 17167654 20540212 22216964 24741619 24941686 26977742 31743964 34335308 38879687 49483238 49883372 53955484 60086789 77759374 87295901 94422097 98966476 120173578 155518748 174591802 188844194 240347156 272157809 349183604 377688388 420607523 544315618 660954679 841215046 1088631236 1321909358 1682430092 2643818716 4626682753 9253365506 18506731012
• Sum of all divisors σ(n): 44481830400
• Sum of proper divisors (its aliquot sum) s(n): 25975099388
• 18506731012 is an abundant number, because the sum of its proper divisors (25975099388) is greater than itself. Its abundance is 7468368376

Bases of 18506731012

• Binary: 10001001111000101100100111000000100₂
• Hexadecimal: 0x44F164E04
• Base-36: 8I2FH1G

Squares and roots of 18506731012

• 18506731012 squared (18506731012²) is 342499092750522544144
• 18506731012 cubed (18506731012³) is 6338538581387959946914903793728
• The square root of 18506731012 is 136039.4465293063
• The cube root of 18506731012 is 2645.1069557939

Scales and comparisons

• 18,506,731,012 seconds is equal to 588 years, 23 weeks, 5 days, 6 hours, 36 minutes, 52 seconds.
• To count from 1 to 18,506,731,012 would take you about one thousand, one hundred seventy-six 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 18506731012 cubic inches would be around 220.4 feet tall.

Recreational maths with 18506731012

• 18506731012 backwards is 21013760581
• 18506731012 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18506731012's digits is 34
• More coming soon!