90128738000

Names of 90128738000

• Cardinal: 90128738000 can be written as Ninety billion, one hundred twenty-eight million, seven hundred thirty-eight thousand.

Scientific notation

• Scientific notation: 9.0128738 × 10¹⁰

Factors of 90128738000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 151

Divisors of 90128738000

• Number of divisors d(n): 300
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 25 28 35 40 49 50 56 70 80 98 100 112 125 137 140 175 196 200 245 250 274 280 343 350 392 400 490 500 548 560 685 686 700 784 875 959 980 1000 1096 1225 1370 1372 1400 1715 1750 1918 1960 2000 2192 2401 2450 2740 2744 2800 3425 3430 3500 3836 3920 4795 4802 4900 5480 5488 6125 6713 6850 6860 7000 7672 8575 9590 9604 9800 10960 12005 12250 13426 13700 13720 14000 15344 17125 17150 18769 19180 19208 19600 23975 24010 24500 26852 27400 27440 33565 34250 34300 37538 38360 38416 42875 46991 47950 48020 49000 53704 54800 60025 67130 68500 68600 75076 76720 85750 93845 93982 95900 96040 98000 107408 119875 120050 131383 134260 137000 137200 150152 167825 171500 187690 187964 191800 192080 234955 239750 240100 262766 268520 274000 300125 300304 328937 335650 343000 375380 375928 383600 469225 469910 479500 480200 525532 537040 600250 656915 657874 671300 686000 750760 751856 839125 919681 938450 939820 959000 960400 1051064 1174775 1200500 1313830 1315748 1342600 1501520 1644685 1678250 1839362 1876900 1879640 1918000 2102128 2346125 2349550 2401000 2627660 2631496 2685200 3284575 3289370 3356500 3678724 3753800 3759280 4598405 4692250 4699100 4802000 5255320 5262992 5873875 6437767 6569150 6578740 6713000 7357448 7507600 8223425 9196810 9384500 9398200 10510640 11747750 12875534 13138300 13157480 13426000 14714896 16422875 16446850 18393620 18769000 18796400 22992025 23495500 25751068 26276600 26314960 32188835 32845750 32893700 36787240 37538000 41117125 45064369 45984050 46991000 51502136 52553200 64377670 65691500 65787400 73574480 82234250 90128738 91968100 93982000 103004272 114960125 128755340 131383000 131574800 160944175 164468500 180257476 183936200 225321845 229920250 257510680 262766000 321888350 328937000 360514952 367872400 450643690 459840500 515021360 643776700 657874000 721029904 804720875 901287380 919681000 1126609225 1287553400 1609441750 1802574760 1839362000 2253218450 2575106800 3218883500 3605149520 4506436900 5633046125 6437767000 9012873800 11266092250 12875534000 18025747600 22532184500 45064369000 90128738000
• Sum of all divisors σ(n): 256107339852
• Sum of proper divisors (its aliquot sum) s(n): 165978601852
• 90128738000 is an abundant number, because the sum of its proper divisors (165978601852) is greater than itself. Its abundance is 75849863852

Bases of 90128738000

• Binary: 1010011111100000101110110011011010000₂
• Hexadecimal: 0x14FC1766D0
• Base-36: 15EKBNBK

Squares and roots of 90128738000

• 90128738000 squared (90128738000²) is 8123189413472644000000
• 90128738000 cubed (90128738000³) is 732132810371249601243272000000000
• The square root of 90128738000 is 300214.4866591217
• The cube root of 90128738000 is 4483.5404955185

Scales and comparisons

• 90,128,738,000 seconds is equal to 2,865 years, 42 weeks, 2 days, 16 hours, 33 minutes, 20 seconds.
• To count from 1 to 90,128,738,000 would take you about five thousand, seven hundred thirty-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 90128738000 cubic inches would be around 373.6 feet tall.

Recreational maths with 90128738000

• 90128738000 backwards is 00083782109
• The number of decimal digits it has is: 11
• The sum of 90128738000's digits is 38
• More coming soon!