18479430072

Names of 18479430072

• Cardinal: 18479430072 can be written as Eighteen billion, four hundred seventy-nine million, four hundred thirty thousand and seventy-two.

Scientific notation

• Scientific notation: 1.8479430072 × 10¹⁰

Factors of 18479430072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 605

Divisors of 18479430072

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 4 6 8 9 12 18 24 27 36 37 54 72 74 81 108 111 148 162 216 222 296 324 333 444 563 648 666 888 999 1126 1332 1369 1689 1998 2252 2664 2738 2997 3378 3996 4107 4504 5067 5476 5994 6756 7992 8214 10134 10952 11988 12321 13512 15201 16428 20268 20831 23976 24642 30402 32856 36963 40536 41662 45603 49284 50653 60804 62493 73926 83324 91206 98568 101306 110889 121608 124986 147852 151959 166648 182412 187479 202612 221778 249972 295704 303918 364824 374958 405224 443556 455877 499944 562437 607836 749916 770747 887112 911754 1124874 1215672 1367631 1499832 1541494 1687311 1823508 2249748 2312241 2735262 3082988 3374622 3647016 4102893 4499496 4624482 5470524 6165976 6749244 6936723 8205786 9248964 10941048 13498488 13873446 16411572 18497928 20810169 27746892 28517639 32823144 41620338 55493784 57035278 62430507 83240676 85552917 114070556 124861014 166481352 171105834 228141112 249722028 256658751 342211668 499444056 513317502 684423336 769976253 1026635004 1539952506 2053270008 2309928759 3079905012 4619857518 6159810024 9239715036 18479430072
• Sum of all divisors σ(n): 53291739600
• Sum of proper divisors (its aliquot sum) s(n): 34812309528
• 18479430072 is an abundant number, because the sum of its proper divisors (34812309528) is greater than itself. Its abundance is 16332879456

Bases of 18479430072

• Binary: 10001001101011101011011100110111000₂
• Hexadecimal: 0x44D75B9B8
• Base-36: 8HM6BI0

Squares and roots of 18479430072

• 18479430072 squared (18479430072²) is 341489335785937925184
• 18479430072 cubed (18479430072³) is 6310528300989967049370495733248
• The square root of 18479430072 is 135939.0674971695
• The cube root of 18479430072 is 2643.8056374589

Scales and comparisons

• 18,479,430,072 seconds is equal to 587 years, 30 weeks, 4 days, 7 hours, 1 minute, 12 seconds.
• To count from 1 to 18,479,430,072 would take you about one thousand, one hundred seventy-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 18479430072 cubic inches would be around 220.3 feet tall.

Recreational maths with 18479430072

• 18479430072 backwards is 27003497481
• The number of decimal digits it has is: 11
• The sum of 18479430072's digits is 45
• More coming soon!