18389215138896

Names of 18389215138896

• Cardinal: 18389215138896 can be written as Eighteen trillion, three hundred eighty-nine billion, two hundred fifteen million, one hundred thirty-eight thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.8389215138896 × 10¹³

Factors of 18389215138896

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 170497960

Divisors of 18389215138896

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 36 42 48 56 63 72 84 107 112 126 144 168 214 252 321 336 428 504 642 749 856 963 1008 1284 1498 1712 1926 2247 2568 2996 3852 4494 5136 5992 6741 7704 8988 11984 13482 15408 17976 26964 35952 53928 107856 170497841 340995682 511493523 681991364 1022987046 1193484887 1363982728 1534480569 2045974092 2386969774 2727965456 3068961138 3580454661 4091948184 4773939548 6137922276 7160909322 8183896368 9547879096 10741363983 12275844552 14321818644 18243268987 19095758192 21482727966 24551689104 28643637288 36486537974 42965455932 54729806961 57287274576 72973075948 85930911864 109459613922 127702882909 145946151896 164189420883 171861823728 218919227844 255405765818 291892303792 328378841766 383108648727 437838455688 510811531636 656757683532 766217297454 875676911376 1021623063272 1149325946181 1313515367064 1532434594908 2043246126544 2298651892362 2627030734128 3064869189816 4597303784724 6129738379632 9194607569448 18389215138896
• Sum of all divisors σ(n): 59365984601664
• Sum of proper divisors (its aliquot sum) s(n): 40976769462768
• 18389215138896 is an abundant number, because the sum of its proper divisors (40976769462768) is greater than itself. Its abundance is 22587554323872

Bases of 18389215138896

• Binary: 100001011100110010010101000101101010001010000₂
• Hexadecimal: 0x10B992A2D450
• Base-36: 6INVZWC40

Squares and roots of 18389215138896

• 18389215138896 squared (18389215138896²) is 338163233424601832572098816
• 18389215138896 cubed (18389215138896³) is 6218556451509709858305824265603677147136
• The square root of 18389215138896 is 4288264.8167873215
• The cube root of 18389215138896 is 26394.9634268595

Scales and comparisons

• 18,389,215,138,896 seconds is equal to 584,720 years, 8 weeks, 2 days, 4 hours, 21 minutes, 36 seconds.
• To count from 1 to 18,389,215,138,896 would take you about one million, four hundred sixty-one thousand, eight hundred 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 18389215138896 cubic inches would be around 2199.6 feet tall.

Recreational maths with 18389215138896

• 18389215138896 backwards is 69883151298381
• 18389215138896 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18389215138896's digits is 72
• More coming soon!