18450374397

Names of 18450374397

• Cardinal: 18450374397 can be written as Eighteen billion, four hundred fifty million, three hundred seventy-four thousand, three hundred ninety-seven.

Scientific notation

• Scientific notation: 1.8450374397 × 10¹⁰

Factors of 18450374397

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 119

Divisors of 18450374397

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 7 13 17 21 39 49 51 79 91 119 147 169 221 237 273 343 357 507 553 637 663 833 1027 1029 1183 1343 1547 1659 1911 2499 2873 3081 3549 3871 4029 4459 4641 5831 6241 7189 8281 8619 9401 10829 11613 13351 13377 17459 17493 18723 20111 21567 24843 27097 28203 32487 40053 43687 50323 52377 57967 60333 65807 75803 81133 81291 93457 106097 122213 131061 140777 150969 173901 197421 226967 227409 243399 280371 305809 318291 352261 366639 422331 460649 567931 654199 680901 742679 855491 917427 985439 1054729 1056783 1379261 1381947 1588769 1703793 1962597 2140663 2228037 2566473 2956317 3164187 3975517 4137783 4579393 4766307 5198753 5988437 6421989 7383103 9654827 11121383 11926551 13738179 15596259 17930393 17965311 22149309 27828619 28964481 33364149 36391271 51681721 53791179 67583789 77849681 83485857 109173813 125512751 155045163 202751367 233549043 361772047 376538253 473086523 878589257 1085316141 1419259569 2635767771 6150124799 18450374397
• Sum of all divisors σ(n): 33314198400
• Sum of proper divisors (its aliquot sum) s(n): 14863824003
• 18450374397 is a deficient number, because the sum of its proper divisors (14863824003) is less than itself. Its deficiency is 3586550394

Bases of 18450374397

• Binary: 10001001011101110100101111011111101₂
• Hexadecimal: 0x44BBA5EFD
• Base-36: 8H4VJZX

Squares and roots of 18450374397

• 18450374397 squared (18450374397²) is 340416315389473113609
• 18450374397 cubed (18450374397³) is 6280808469783011818651365868773
• The square root of 18450374397 is 135832.1552394719
• The cube root of 18450374397 is 2642.4192697879

Scales and comparisons

• 18,450,374,397 seconds is equal to 586 years, 34 weeks, 3 days, 23 hours, 59 minutes, 57 seconds.
• To count from 1 to 18,450,374,397 would take you about one thousand, one hundred seventy-three 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 18450374397 cubic inches would be around 220.2 feet tall.

Recreational maths with 18450374397

• 18450374397 backwards is 79347305481
• 18450374397 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18450374397's digits is 51
• More coming soon!