189489540420

Names of 189489540420

• Cardinal: 189489540420 can be written as One hundred eighty-nine billion, four hundred eighty-nine million, five hundred forty thousand, four hundred twenty.

Scientific notation

• Scientific notation: 1.8948954042 × 10¹¹

Factors of 189489540420

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 33958740

Divisors of 189489540420

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 31 36 45 60 62 90 93 124 155 180 186 279 310 372 465 558 620 930 1116 1395 1860 2790 5580 33958699 67917398 101876097 135834796 169793495 203752194 305628291 339586990 407504388 509380485 611256582 679173980 1018760970 1052719669 1222513164 1528141455 2037521940 2105439338 3056282910 3158159007 4210878676 5263598345 6112565820 6316318014 9474477021 10527196690 12632636028 15790795035 18948954042 21054393380 31581590070 37897908084 47372385105 63163180140 94744770210 189489540420
• Sum of all divisors σ(n): 593326406400
• Sum of proper divisors (its aliquot sum) s(n): 403836865980
• 189489540420 is an abundant number, because the sum of its proper divisors (403836865980) is greater than itself. Its abundance is 214347325560

Bases of 189489540420

• Binary: 10110000011110011101001110110101000100₂
• Hexadecimal: 0x2C1E74ED44
• Base-36: 2F1T6H50

Squares and roots of 189489540420

• 189489540420 squared (189489540420²) is 35906285928582813776400
• 189489540420 cubed (189489540420³) is 6803865618796270324400480642088000
• The square root of 189489540420 is 435303.9632486707
• The cube root of 189489540420 is 5743.7440762073

Scales and comparisons

• 189,489,540,420 seconds is equal to 6,025 years, 9 weeks, 2 days, 23 hours, 27 minutes.
• To count from 1 to 189,489,540,420 would take you about twelve thousand and fifty 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 189489540420 cubic inches would be around 478.6 feet tall.

Recreational maths with 189489540420

• 189489540420 backwards is 024045984981
• The number of decimal digits it has is: 12
• The sum of 189489540420's digits is 54
• More coming soon!