1990939661928

Names of 1990939661928

• Cardinal: 1990939661928 can be written as One trillion, nine hundred ninety billion, nine hundred thirty-nine million, six hundred sixty-one thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.990939661928 × 10¹²

Factors of 1990939661928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2422242

Divisors of 1990939661928

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 49 56 63 72 84 98 126 147 168 196 233 252 294 392 441 466 504 588 699 882 932 1176 1398 1631 1764 1864 2097 2796 3262 3528 4194 4893 5592 6524 8388 9786 11417 13048 14679 16776 19572 22834 29358 34251 39144 45668 58716 68502 91336 102753 117432 137004 205506 274008 411012 822024 2421997 4843994 7265991 9687988 14531982 16953979 19375976 21797973 29063964 33907958 43595946 50861937 58127928 67815916 87191892 101723874 118677853 135631832 152585811 174383784 203447748 237355706 305171622 356033559 406895496 474711412 564325301 610343244 712067118 949422824 1068100677 1128650602 1220686488 1424134236 1692975903 2136201354 2257301204 2848268472 3385951806 3950277107 4272402708 4514602408 5078927709 6771903612 7900554214 8544805416 10157855418 11850831321 13543807224 15801108428 20315710836 23701662642 27651939749 31602216856 35552493963 40631421672 47403325284 55303879498 71104987926 82955819247 94806650568 110607758996 142209975852 165911638494 221215517992 248867457741 284419951704 331823276988 497734915482 663646553976 995469830964 1990939661928
• Sum of all divisors σ(n): 6299398818180
• Sum of proper divisors (its aliquot sum) s(n): 4308459156252
• 1990939661928 is an abundant number, because the sum of its proper divisors (4308459156252) is greater than itself. Its abundance is 2317519494324

Bases of 1990939661928

• Binary: 11100111110001101010000000101011001101000₂
• Hexadecimal: 0x1CF8D405668
• Base-36: PEMI2IY0

Squares and roots of 1990939661928

• 1990939661928 squared (1990939661928²) is 3963840737437978932677184
• 1990939661928 cubed (1990939661928³) is 7891767737731203989091898984919050752
• The square root of 1990939661928 is 1411006.6129993863
• The cube root of 1990939661928 is 12580.1561790601

Scales and comparisons

• 1,990,939,661,928 seconds is equal to 63,305 years, 37 weeks, 4 days, 2 hours, 58 minutes, 48 seconds.
• To count from 1 to 1,990,939,661,928 would take you about one hundred fifty-eight thousand, two hundred sixty-four 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 1990939661928 cubic inches would be around 1048.3 feet tall.

Recreational maths with 1990939661928

• 1990939661928 backwards is 8291669390991
• 1990939661928 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1990939661928's digits is 72
• More coming soon!