1981736120

Names of 1981736120

• Cardinal: 1981736120 can be written as One billion, nine hundred eighty-one million, seven hundred thirty-six thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.98173612 × 10⁹

Factors of 1981736120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 23721

Divisors of 1981736120

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 20 23 26 28 35 40 46 52 56 65 70 91 92 104 115 130 140 161 182 184 230 260 280 299 322 364 455 460 520 598 644 728 805 910 920 1196 1288 1495 1610 1820 2093 2392 2990 3220 3640 4186 5980 6440 8372 10465 11960 16744 20930 23671 41860 47342 83720 94684 118355 165697 189368 236710 307723 331394 473420 544433 615446 662788 828485 946840 1088866 1230892 1325576 1538615 1656970 2154061 2177732 2461784 2722165 3077230 3313940 3811031 4308122 4355464 5444330 6154460 6627880 7077629 7622062 8616244 10770305 10888660 12308920 14155258 15244124 17232488 19055155 21540610 21777320 28310516 30488248 35388145 38110310 43081220 49543403 56621032 70776290 76220620 86162440 99086806 141552580 152441240 198173612 247717015 283105160 396347224 495434030 990868060 1981736120
• Sum of all divisors σ(n): 5726730240
• Sum of proper divisors (its aliquot sum) s(n): 3744994120
• 1981736120 is an abundant number, because the sum of its proper divisors (3744994120) is greater than itself. Its abundance is 1763258000

Bases of 1981736120

• Binary: 1110110000111101110010010111000₂
• Hexadecimal: 0x761EE4B8
• Base-36: WRVHDK

Squares and roots of 1981736120

• 1981736120 squared (1981736120²) is 3927278049312654400
• 1981736120 cubed (1981736120³) is 7782828763606028397556928000
• The square root of 1981736120 is 44516.6948458667
• The cube root of 1981736120 is 1256.0741416333

Scales and comparisons

• 1,981,736,120 seconds is equal to 63 years, 4 days, 18 hours, 15 minutes, 20 seconds.
• To count from 1 to 1,981,736,120 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 1981736120 cubic inches would be around 104.7 feet tall.

Recreational maths with 1981736120

• 1981736120 backwards is 0216371891
• The number of decimal digits it has is: 10
• The sum of 1981736120's digits is 38
• More coming soon!