72009389816

Names of 72009389816

• Cardinal: 72009389816 can be written as Seventy-two billion, nine million, three hundred eighty-nine thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 7.2009389816 × 10¹⁰

Factors of 72009389816

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3191

Divisors of 72009389816

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 13 14 26 28 49 52 56 91 98 104 169 182 196 338 343 364 392 637 676 686 728 1183 1274 1352 1372 2366 2401 2548 2744 3169 4459 4732 4802 5096 6338 8281 8918 9464 9604 12676 16562 16807 17836 19208 22183 25352 31213 33124 33614 35672 41197 44366 57967 62426 66248 67228 82394 88732 115934 124852 134456 155281 164788 177464 218491 231868 249704 288379 310562 329576 405769 436982 463736 535561 576758 621124 811538 873964 1071122 1086967 1153516 1242248 1623076 1747928 2018653 2142244 2173934 2307032 2840383 3246152 3748927 4037306 4284488 4347868 5680766 7497854 7608769 8074612 8695736 11361532 14130571 14995708 15217538 16149224 22723064 26242489 28261142 29991416 30435076 52484978 53261383 56522284 60870152 98913997 104969956 106522766 113044568 183697423 197827994 209939912 213045532 367394846 395655988 426091064 692397979 734789692 791311976 1285881961 1384795958 1469579384 2571763922 2769591916 5143527844 5539183832 9001173727 10287055688 18002347454 36004694908 72009389816
• Sum of all divisors σ(n): 170621953200
• Sum of proper divisors (its aliquot sum) s(n): 98612563384
• 72009389816 is an abundant number, because the sum of its proper divisors (98612563384) is greater than itself. Its abundance is 26603173568

Bases of 72009389816

• Binary: 1000011000100000110000001011011111000₂
• Hexadecimal: 0x10C41816F8
• Base-36: X2WJ4S8

Squares and roots of 72009389816

• 72009389816 squared (72009389816²) is 5185352221672644513856
• 72009389816 cubed (72009389816³) is 373394049463687102341850517290496
• The square root of 72009389816 is 268345.6536186119
• The cube root of 72009389816 is 4160.3484864313

Scales and comparisons

• 72,009,389,816 seconds is equal to 2,289 years, 35 weeks, 1 day, 16 minutes, 56 seconds.
• To count from 1 to 72,009,389,816 would take you about four thousand, five hundred seventy-nine 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 72009389816 cubic inches would be around 346.7 feet tall.

Recreational maths with 72009389816

• 72009389816 backwards is 61898390027
• The number of decimal digits it has is: 11
• The sum of 72009389816's digits is 53
• More coming soon!