20160018018945

Names of 20160018018945

• Cardinal: 20160018018945 can be written as Twenty trillion, one hundred sixty billion, eighteen million, eighteen thousand, nine hundred forty-five.

Scientific notation

• Scientific notation: 2.0160018018945 × 10¹³

Factors of 20160018018945

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 656

Divisors of 20160018018945

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 7 9 15 21 27 35 45 63 81 105 135 189 243 315 405 567 641 729 945 1215 1701 1923 2187 2835 3205 3645 4487 5103 5769 8505 9615 10935 13461 15309 17307 22435 25515 28845 40383 51921 67305 76545 86535 121149 155763 201915 259605 363447 410881 467289 605745 778815 1090341 1232643 1401867 1817235 2054405 2336445 2876167 3271023 3697929 5451705 6163215 7009335 8628501 9813069 11093787 14380835 16355115 18489645 25885503 33281361 43142505 49065345 55468935 77656509 99844083 129427515 166406805 232969527 263374721 299532249 388282545 499220415 698908581 790124163 898596747 1164847635 1316873605 1497661245 1843623047 2096725743 2370372489 3494542905 3950620815 4492983735 5530869141 6290177229 7111117467 9218115235 10483628715 11851862445 16592607423 21333352401 27654345705 31450886145 35555587335 49777822269 64000057203 82963037115 106666762005 149333466807 192000171609 248889111345 320000286015 448000400421 576000514827 746667334035 960000858045 1344001201263 2240002002105 2880002574135 4032003603789 6720006006315 20160018018945
• Sum of all divisors σ(n): 41530506255360
• Sum of proper divisors (its aliquot sum) s(n): 21370488236415
• 20160018018945 is an abundant number, because the sum of its proper divisors (21370488236415) is greater than itself. Its abundance is 1210470217470

Bases of 20160018018945

• Binary: 100100101010111011110101101100111001010000001₂
• Hexadecimal: 0x1255DEB67281
• Base-36: 759DU7N29

Squares and roots of 20160018018945

• 20160018018945 squared (20160018018945²) is 406426326524187082378913025
• 20160018018945 cubed (20160018018945³) is 8193562066101235772127093680102957258625
• The square root of 20160018018945 is 4489990.8706972891
• The cube root of 20160018018945 is 27216.3765724461

Scales and comparisons

• 20,160,018,018,945 seconds is equal to 641,026 years, 11 weeks, 21 hours, 15 minutes, 45 seconds.
• To count from 1 to 20,160,018,018,945 would take you about one million, six hundred two thousand, five hundred sixty-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 20160018018945 cubic inches would be around 2268 feet tall.

Recreational maths with 20160018018945

• 20160018018945 backwards is 54981081006102
• 20160018018945 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20160018018945's digits is 45
• More coming soon!