128823233840

Names of 128823233840

• Cardinal: 128823233840 can be written as One hundred twenty-eight billion, eight hundred twenty-three million, two hundred thirty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.2882323384 × 10¹¹

Factors of 128823233840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1232

Divisors of 128823233840

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 35 40 56 70 80 112 140 241 280 482 560 964 977 1205 1687 1928 1954 2410 3374 3856 3908 4820 4885 6748 6839 7816 8435 9640 9770 13496 13678 15632 16870 19280 19540 26992 27356 33740 34195 39080 54712 67480 68390 78160 109424 134960 136780 235457 273560 470914 547120 941828 954529 1177285 1648199 1883656 1909058 2354570 3296398 3767312 3818116 4709140 4772645 6592796 6681703 7636232 8240995 9418280 9545290 13185592 13363406 15272464 16481990 18836560 19090580 26371184 26726812 32963980 33408515 38181160 53453624 65927960 66817030 76362320 106907248 131855920 133634060 230041489 267268120 460082978 534536240 920165956 1150207445 1610290423 1840331912 2300414890 3220580846 3680663824 4600829780 6441161692 8051452115 9201659560 12882323384 16102904230 18403319120 25764646768 32205808460 64411616920 128823233840
• Sum of all divisors σ(n): 344074248672
• Sum of proper divisors (its aliquot sum) s(n): 215251014832
• 128823233840 is an abundant number, because the sum of its proper divisors (215251014832) is greater than itself. Its abundance is 86427780992

Bases of 128823233840

• Binary: 1110111111110011101101000110100110000₂
• Hexadecimal: 0x1DFE768D30
• Base-36: 1N6I0ZE8

Squares and roots of 128823233840

• 128823233840 squared (128823233840²) is 16595425576995321145600
• 128823233840 cubed (128823233840³) is 2137876389779585180525525487104000
• The square root of 128823233840 is 358919.5367209759
• The cube root of 128823233840 is 5050.4653865129

Scales and comparisons

• 128,823,233,840 seconds is equal to 4,096 years, 9 weeks, 2 days, 15 hours, 37 minutes, 20 seconds.
• To count from 1 to 128,823,233,840 would take you about eight thousand, one hundred ninety-two 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 128823233840 cubic inches would be around 420.9 feet tall.

Recreational maths with 128823233840

• 128823233840 backwards is 048332328821
• The number of decimal digits it has is: 12
• The sum of 128823233840's digits is 44
• More coming soon!