90749281140

Names of 90749281140

• Cardinal: 90749281140 can be written as Ninety billion, seven hundred forty-nine million, two hundred eighty-one thousand, one hundred forty.

Scientific notation

• Scientific notation: 9.074928114 × 10¹⁰

Factors of 90749281140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 120457

Divisors of 90749281140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 28 30 35 36 42 45 60 63 70 84 90 105 126 140 180 210 252 315 420 601 630 1202 1260 1803 2404 3005 3606 4207 5409 6010 7212 8414 9015 10818 12020 12621 16828 18030 21035 21636 25242 27045 36060 37863 42070 50484 54090 63105 75726 84140 108180 119839 126210 151452 189315 239678 252420 359517 378630 479356 599195 719034 757260 838873 1078551 1198390 1438068 1677746 1797585 2157102 2396780 2516619 3355492 3595170 4194365 4314204 5033238 5392755 7190340 7549857 8388730 10066476 10785510 12583095 15099714 16777460 21571020 25166190 30199428 37749285 50332380 72023239 75498570 144046478 150997140 216069717 288092956 360116195 432139434 504162673 648209151 720232390 864278868 1008325346 1080348585 1296418302 1440464780 1512488019 2016650692 2160697170 2520813365 2592836604 3024976038 3241045755 4321394340 4537464057 5041626730 6049952076 6482091510 7562440095 9074928114 10083253460 12964183020 15124880190 18149856228 22687320285 30249760380 45374640570 90749281140
• Sum of all divisors σ(n): 315123594240
• Sum of proper divisors (its aliquot sum) s(n): 224374313100
• 90749281140 is an abundant number, because the sum of its proper divisors (224374313100) is greater than itself. Its abundance is 133625031960

Bases of 90749281140

• Binary: 1010100100001000101000010001101110100₂
• Hexadecimal: 0x1521142374
• Base-36: 15OTS1H0

Squares and roots of 90749281140

• 90749281140 squared (90749281140²) is 8235432027426759699600
• 90749281140 cubed (90749281140³) is 747359536366311206738222345544000
• The square root of 90749281140 is 301246.2134865763
• The cube root of 90749281140 is 4493.8068078445

Scales and comparisons

• 90,749,281,140 seconds is equal to 2,885 years, 28 weeks, 2 days, 21 hours, 39 minutes.
• To count from 1 to 90,749,281,140 would take you about five thousand, seven hundred seventy-one 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 90749281140 cubic inches would be around 374.5 feet tall.

Recreational maths with 90749281140

• 90749281140 backwards is 04118294709
• 90749281140 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 90749281140's digits is 45
• More coming soon!