1981332080

Names of 1981332080

• Cardinal: 1981332080 can be written as One billion, nine hundred eighty-one million, three hundred thirty-two thousand and eighty.

Scientific notation

• Scientific notation: 1.98133208 × 10⁹

Factors of 1981332080

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2297

Divisors of 1981332080

• 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 91 104 112 127 130 140 182 208 254 260 280 364 455 508 520 560 635 728 889 910 1016 1040 1270 1456 1651 1778 1820 2032 2143 2540 3302 3556 3640 4286 4445 5080 6604 7112 7280 8255 8572 8890 10160 10715 11557 13208 14224 15001 16510 17144 17780 21430 23114 26416 27859 30002 33020 34288 35560 42860 46228 55718 57785 60004 66040 71120 75005 85720 92456 111436 115570 120008 132080 139295 150010 171440 184912 195013 222872 231140 240016 272161 278590 300020 390026 445744 462280 544322 557180 600040 780052 924560 975065 1088644 1114360 1200080 1360805 1560104 1905127 1950130 2177288 2228720 2721610 3120208 3538093 3810254 3900260 4354576 5443220 7076186 7620508 7800520 9525635 10886440 14152372 15241016 15601040 17690465 19051270 21772880 24766651 28304744 30482032 35380930 38102540 49533302 56609488 70761860 76205080 99066604 123833255 141523720 152410160 198133208 247666510 283047440 396266416 495333020 990666040 1981332080
• Sum of all divisors σ(n): 5716967424
• Sum of proper divisors (its aliquot sum) s(n): 3735635344
• 1981332080 is an abundant number, because the sum of its proper divisors (3735635344) is greater than itself. Its abundance is 1754303264

Bases of 1981332080

• Binary: 1110110000110001011101001110000₂
• Hexadecimal: 0x7618BA70
• Base-36: WRMTM8

Squares and roots of 1981332080

• 1981332080 squared (1981332080²) is 3925676811237126400
• 1981332080 cubed (1981332080³) is 7778069401816223023334912000
• The square root of 1981332080 is 44512.1565417809
• The cube root of 1981332080 is 1255.9887722637

Scales and comparisons

• 1,981,332,080 seconds is equal to 63 years, 2 hours, 1 minute, 20 seconds.
• To count from 1 to 1,981,332,080 would take you about one hundred twenty-six 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 1981332080 cubic inches would be around 104.7 feet tall.

Recreational maths with 1981332080

• 1981332080 backwards is 0802331891
• 1981332080 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1981332080's digits is 35
• More coming soon!