20187127740

Names of 20187127740

• Cardinal: 20187127740 can be written as Twenty billion, one hundred eighty-seven million, one hundred twenty-seven thousand, seven hundred forty.

Scientific notation

• Scientific notation: 2.018712774 × 10¹⁰

Factors of 20187127740

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 22481

Divisors of 20187127740

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 10 12 13 15 20 26 30 39 52 60 65 78 89 130 156 169 178 195 260 267 338 356 390 445 507 534 676 780 845 890 1014 1068 1157 1335 1690 1780 2028 2314 2535 2670 3380 3471 4628 5070 5340 5785 6942 10140 11570 13884 15041 17355 22369 23140 30082 34710 44738 45123 60164 67107 69420 75205 89476 90246 111845 134214 150410 180492 223690 225615 268428 290797 300820 335535 447380 451230 581594 671070 872391 902460 1163188 1342140 1453985 1744782 1990841 2907970 3489564 3780361 3981682 4361955 5815940 5972523 7560722 7963364 8723910 9954205 11341083 11945046 15121444 17447820 18901805 19908410 22682166 23890092 25880933 29862615 37803610 39816820 45364332 51761866 56705415 59725230 75607220 77642799 103523732 113410830 119450460 129404665 155285598 226821660 258809330 310571196 336452129 388213995 517618660 672904258 776427990 1009356387 1345808516 1552855980 1682260645 2018712774 3364521290 4037425548 5046781935 6729042580 10093563870 20187127740
• Sum of all divisors σ(n): 61896895200
• Sum of proper divisors (its aliquot sum) s(n): 41709767460
• 20187127740 is an abundant number, because the sum of its proper divisors (41709767460) is greater than itself. Its abundance is 21522639720

Bases of 20187127740

• Binary: 10010110011001111110001111110111100₂
• Hexadecimal: 0x4B33F1FBC
• Base-36: 99UW7GC

Squares and roots of 20187127740

• 20187127740 squared (20187127740²) is 407520126391077507600
• 20187127740 cubed (20187127740³) is 8226660848077626842162020824000
• The square root of 20187127740 is 142081.4123662909
• The cube root of 20187127740 is 2722.8570640547

Scales and comparisons

• 20,187,127,740 seconds is equal to 641 years, 46 weeks, 1 day, 7 hours, 29 minutes.
• To count from 1 to 20,187,127,740 would take you about one thousand, two hundred eighty-three 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 20187127740 cubic inches would be around 226.9 feet tall.

Recreational maths with 20187127740

• 20187127740 backwards is 04772178102
• 20187127740 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20187127740's digits is 39
• More coming soon!