1980807920

Names of 1980807920

• Cardinal: 1980807920 can be written as One billion, nine hundred eighty million, eight hundred seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.98080792 × 10⁹

Factors of 1980807920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1397

Divisors of 1980807920

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 35 40 52 56 65 70 80 91 104 112 130 140 182 208 241 260 280 364 455 482 520 560 728 910 964 1040 1129 1205 1456 1687 1820 1928 2258 2410 3133 3374 3640 3856 4516 4820 5645 6266 6748 7280 7903 8435 9032 9640 11290 12532 13496 14677 15665 15806 16870 18064 19280 21931 22580 25064 26992 29354 31330 31612 33740 39515 43862 45160 50128 58708 62660 63224 67480 73385 79030 87724 90320 102739 109655 117416 125320 126448 134960 146770 158060 175448 205478 219310 234832 250640 272089 293540 316120 350896 410956 438620 513695 544178 587080 632240 821912 877240 1027390 1088356 1174160 1360445 1643824 1754480 1904623 2054780 2176712 2720890 3537157 3809246 4109560 4353424 5441780 7074314 7618492 8219120 9523115 10883560 14148628 15236984 17685785 19046230 21767120 24760099 28297256 30473968 35371570 38092460 49520198 56594512 70743140 76184920 99040396 123800495 141486280 152369840 198080792 247600990 282972560 396161584 495201980 990403960 1980807920
• Sum of all divisors σ(n): 5696718720
• Sum of proper divisors (its aliquot sum) s(n): 3715910800
• 1980807920 is an abundant number, because the sum of its proper divisors (3715910800) is greater than itself. Its abundance is 1735102880

Bases of 1980807920

• Binary: 1110110000100001011101011110000₂
• Hexadecimal: 0x7610BAF0
• Base-36: WRBL68

Squares and roots of 1980807920

• 1980807920 squared (1980807920²) is 3923600015934726400
• 1980807920 cubed (1980807920³) is 7771897986475632256153088000
• The square root of 1980807920 is 44506.2683225633
• The cube root of 1980807920 is 1255.8780055149

Scales and comparisons

• 1,980,807,920 seconds is equal to 62 years, 51 weeks, 1 day, 25 minutes, 20 seconds.
• To count from 1 to 1,980,807,920 would take you about one hundred twenty-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 1980807920 cubic inches would be around 104.7 feet tall.

Recreational maths with 1980807920

• 1980807920 backwards is 0297080891
• The number of decimal digits it has is: 10
• The sum of 1980807920's digits is 44
• More coming soon!