18013679145

Names of 18013679145

• Cardinal: 18013679145 can be written as Eighteen billion, thirteen million, six hundred seventy-nine thousand, one hundred forty-five.

Scientific notation

• Scientific notation: 1.8013679145 × 10¹⁰

Factors of 18013679145

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 122

Divisors of 18013679145

• Number of divisors d(n): 288
• Complete list of divisors:
  1 3 5 7 9 11 15 17 21 33 35 45 49 51 55 63 77 79 85 99 105 119 147 153 165 187 231 237 245 255 315 343 357 385 395 441 495 539 553 561 595 693 711 735 765 833 869 935 1029 1071 1155 1185 1309 1343 1617 1659 1683 1715 1785 2205 2499 2607 2695 2765 2805 3087 3465 3555 3773 3871 3927 4029 4165 4345 4851 4977 5145 5355 5831 6083 6241 6545 6715 7497 7821 8085 8295 8415 9163 9401 11319 11613 11781 12087 12495 13035 14773 15435 17493 18249 18723 18865 19355 19635 20145 24255 24885 27097 27489 28203 29155 30415 31205 33957 34839 37485 39105 42581 43687 44319 45815 47005 52479 54747 56169 56595 58065 58905 60435 64141 65807 68651 73865 81291 82467 84609 87465 91245 93615 103411 106097 127743 131061 132957 135485 137445 141015 169785 174195 192423 197421 205953 212905 218435 221595 243873 262395 273735 280845 298067 305809 310233 318291 320705 329035 343255 383229 393183 406455 412335 423045 460649 480557 517055 530485 577269 592263 617859 638715 655305 664785 723877 742679 894201 917427 930699 954873 962115 987105 1029765 1167067 1219365 1381947 1441671 1490335 1529045 1551165 1591455 1916145 1965915 2140663 2171631 2228037 2303245 2402785 2682603 2752281 2886345 2961315 3089295 3363899 3501201 3619385 3713395 4145841 4325013 4471005 4587135 4653495 4774365 5067139 5198753 5835335 6421989 6514893 6684111 6909735 7208355 8169469 10091697 10503603 10703315 10858155 11140185 13413015 13761405 15201417 15596259 16819495 17506005 19265967 20729205 21625065 23547293 24508407 25335695 25993765 30275091 32109945 32574465 33420555 36391271 40847345 45604251 46788777 50458485 52518015 57186283 70641879 73525221 76007085 77981295 96329835 109173813 117736465 122542035 151375455 171558849 181956355 211925637 228021255 233943885 285931415 327521439 353209395 367626105 400303981 514676547 545869065 857794245 1059628185 1200911943 1637607195 2001519905 2573382735 3602735829 6004559715 18013679145
• Sum of all divisors σ(n): 42598483200
• Sum of proper divisors (its aliquot sum) s(n): 24584804055
• 18013679145 is an abundant number, because the sum of its proper divisors (24584804055) is greater than itself. Its abundance is 6571124910

Bases of 18013679145

• Binary: 10000110001101100101110111000101001₂
• Hexadecimal: 0x431B2EE29
• Base-36: 89WVNS9

Squares and roots of 18013679145

• 18013679145 squared (18013679145²) is 324492636339007931025
• 18013679145 cubed (18013679145³) is 5845306235926056317094640973625
• The square root of 18013679145 is 134215.0481317203
• The cube root of 18013679145 is 2621.4051057657

Scales and comparisons

• 18,013,679,145 seconds is equal to 572 years, 40 weeks, 3 days, 15 hours, 45 minutes, 45 seconds.
• To count from 1 to 18,013,679,145 would take you about one thousand, one hundred forty-five 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 18013679145 cubic inches would be around 218.5 feet tall.

Recreational maths with 18013679145

• 18013679145 backwards is 54197631081
• 18013679145 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18013679145's digits is 45
• More coming soon!