18989074125

Names of 18989074125

• Cardinal: 18989074125 can be written as Eighteen billion, nine hundred eighty-nine million, seventy-four thousand, one hundred twenty-five.

Scientific notation

• Scientific notation: 1.8989074125 × 10¹⁰

Factors of 18989074125

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 8069

Divisors of 18989074125

• Number of divisors d(n): 144
• Complete list of divisors:
  1 3 5 7 9 15 21 25 35 43 45 49 63 75 105 125 129 147 175 215 225 245 301 315 375 387 441 525 645 735 875 903 1075 1125 1225 1505 1575 1935 2107 2205 2625 2709 3225 3675 4515 5375 6125 6321 7525 7875 8011 9675 10535 11025 13545 16125 18375 18963 22575 24033 31605 37625 40055 48375 52675 55125 56077 67725 72099 94815 112875 120165 158025 168231 200275 263375 280385 338625 344473 360495 392539 474075 504693 600825 790125 841155 1001375 1033419 1177617 1401925 1722365 1802475 1962695 2370375 2411311 2523465 3004125 3100257 3532851 4205775 5167095 5888085 7009625 7233933 8611825 9012375 9813475 12056555 12617325 15501285 16879177 17664255 21028875 21701799 25835475 29440425 36169665 43059125 49067375 50637531 60282775 63086625 77506425 84395885 88321275 108508995 129177375 147202125 151912593 180848325 253187655 301413875 387532125 421979425 441606375 542544975 759562965 904241625 1265938275 2109897125 2712724875 3797814825 6329691375 18989074125
• Sum of all divisors σ(n): 40750826688
• Sum of proper divisors (its aliquot sum) s(n): 21761752563
• 18989074125 is an abundant number, because the sum of its proper divisors (21761752563) is greater than itself. Its abundance is 2772678438

Bases of 18989074125

• Binary: 10001101011110101100100011011001101₂
• Hexadecimal: 0x46BD646CD
• Base-36: 8Q1LRD9

Squares and roots of 18989074125

• 18989074125 squared (18989074125²) is 360584936124744515625
• 18989074125 cubed (18989074125³) is 6847174080431163853890345703125
• The square root of 18989074125 is 137800.8495075411
• The cube root of 18989074125 is 2667.8900660365

Scales and comparisons

• 18,989,074,125 seconds is equal to 603 years, 41 weeks, 1 day, 22 hours, 48 minutes, 45 seconds.
• To count from 1 to 18,989,074,125 would take you about one thousand, two hundred seven 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 18989074125 cubic inches would be around 222.3 feet tall.

Recreational maths with 18989074125

• 18989074125 backwards is 52147098981
• The number of decimal digits it has is: 11
• The sum of 18989074125's digits is 54
• More coming soon!