18168427836

Names of 18168427836

• Cardinal: 18168427836 can be written as Eighteen billion, one hundred sixty-eight million, four hundred twenty-seven thousand, eight hundred thirty-six.

Scientific notation

• Scientific notation: 1.8168427836 × 10¹⁰

Factors of 18168427836

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3463

Divisors of 18168427836

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 19 26 36 38 39 52 57 76 78 114 117 156 171 228 234 247 342 468 494 684 741 769 988 1482 1538 2223 2307 2657 2964 3076 4446 4614 5314 6921 7971 8892 9228 9997 10628 13842 14611 15942 19994 23913 27684 29222 29991 31884 34541 39988 43833 47826 50483 58444 59982 69082 87666 89973 95652 100966 103623 119964 131499 138164 151449 175332 179946 189943 201932 207246 262998 302898 310869 359892 379886 414492 454347 525996 569829 605796 621738 656279 759772 908694 1139658 1243476 1312558 1709487 1817388 1968837 2043233 2279316 2625116 3418974 3937674 4086466 5906511 6129699 6837948 7875348 8172932 11813022 12259398 18389097 23626044 24518796 26562029 36778194 38821427 53124058 73556388 77642854 79686087 106248116 116464281 155285708 159372174 232928562 239058261 318744348 349392843 465857124 478116522 504678551 698785686 956233044 1009357102 1397571372 1514035653 2018714204 3028071306 4542106959 6056142612 9084213918 18168427836
• Sum of all divisors σ(n): 52148896800
• Sum of proper divisors (its aliquot sum) s(n): 33980468964
• 18168427836 is an abundant number, because the sum of its proper divisors (33980468964) is greater than itself. Its abundance is 15812041128

Bases of 18168427836

• Binary: 10000111010111011000011010100111100₂
• Hexadecimal: 0x43AEC353C
• Base-36: 8CH0GN0

Squares and roots of 18168427836

• 18168427836 squared (18168427836²) is 330091770031939642896
• 18168427836 cubed (18168427836³) is 5997248503082802817063586053056
• The square root of 18168427836 is 134790.3106161567
• The cube root of 18168427836 is 2628.8902118873

Scales and comparisons

• 18,168,427,836 seconds is equal to 577 years, 36 weeks, 2 days, 17 hours, 30 minutes, 36 seconds.
• To count from 1 to 18,168,427,836 would take you about one thousand, one hundred fifty-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 18168427836 cubic inches would be around 219.1 feet tall.

Recreational maths with 18168427836

• 18168427836 backwards is 63872486181
• The number of decimal digits it has is: 11
• The sum of 18168427836's digits is 54
• More coming soon!