18900038340

Names of 18900038340

• Cardinal: 18900038340 can be written as Eighteen billion, nine hundred million, thirty-eight thousand, three hundred forty.

Scientific notation

• Scientific notation: 1.890003834 × 10¹⁰

Factors of 18900038340

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 63579

Divisors of 18900038340

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 27 29 30 36 38 45 54 57 58 60 76 87 90 95 108 114 116 135 145 171 174 180 190 228 261 270 285 290 342 348 380 435 513 522 540 551 570 580 684 783 855 870 1026 1044 1102 1140 1305 1566 1653 1710 1740 2052 2204 2565 2610 2755 3132 3306 3420 3915 4959 5130 5220 5510 6612 7830 8265 9918 10260 11020 14877 15660 16530 19836 24795 29754 33060 49590 59508 63521 74385 99180 127042 148770 190563 254084 297540 317605 381126 571689 635210 762252 952815 1143378 1206899 1270420 1715067 1842109 1905630 2286756 2413798 2858445 3430134 3620697 3684218 3811260 4827596 5526327 5716890 6034495 6860268 7241394 7368436 8575335 9210545 10862091 11052654 11433780 12068990 14482788 16578981 17150670 18103485 18421090 21724182 22105308 24137980 27631635 32586273 33157962 34301340 35000071 36206970 36842180 43448364 49736943 54310455 55263270 65172546 66315924 70000142 72413940 82894905 99473886 105000213 108620910 110526540 130345092 140000284 162931365 165789810 175000355 198947772 210000426 217241820 248684715 315000639 325862730 331579620 350000710 420000852 497369430 525001065 630001278 651725460 700001420 945001917 994738860 1050002130 1260002556 1575003195 1890003834 2100004260 3150006390 3780007668 4725009585 6300012780 9450019170 18900038340
• Sum of all divisors σ(n): 64030176000
• Sum of proper divisors (its aliquot sum) s(n): 45130137660
• 18900038340 is an abundant number, because the sum of its proper divisors (45130137660) is greater than itself. Its abundance is 26230099320

Bases of 18900038340

• Binary: 10001100110100001111011001011000100₂
• Hexadecimal: 0x46687B2C4
• Base-36: 8OKLEX0

Squares and roots of 18900038340

• 18900038340 squared (18900038340²) is 357211449253469955600
• 18900038340 cubed (18900038340³) is 6751310086377546538878097704000
• The square root of 18900038340 is 137477.4102898363
• The cube root of 18900038340 is 2663.7138064033

Scales and comparisons

• 18,900,038,340 seconds is equal to 600 years, 50 weeks, 10 hours, 39 minutes.
• To count from 1 to 18,900,038,340 would take you about one thousand, two hundred one 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 18900038340 cubic inches would be around 222 feet tall.

Recreational maths with 18900038340

• 18900038340 backwards is 04383000981
• 18900038340 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18900038340's digits is 36
• More coming soon!