389992994816

Names of 389992994816

• Cardinal: 389992994816 can be written as Three hundred eighty-nine billion, nine hundred ninety-two million, nine hundred ninety-four thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 3.89992994816 × 10¹¹

Factors of 389992994816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 704

Divisors of 389992994816

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 8 16 29 32 58 64 73 116 128 146 232 256 292 293 307 464 512 584 586 614 928 1024 1168 1172 1228 1856 2048 2117 2336 2344 2456 3712 4234 4672 4688 4912 7424 8468 8497 8903 9344 9376 9824 14848 16936 16994 17806 18688 18752 19648 21389 22411 29696 33872 33988 35612 37376 37504 39296 42778 44822 59392 67744 67976 71224 74752 75008 78592 85556 89644 89951 135488 135952 142448 149504 150016 157184 171112 179288 179902 270976 271904 284896 300032 314368 342224 358576 359804 541952 543808 569792 600064 620281 628736 649919 684448 717152 719608 1083904 1087616 1139584 1240562 1299838 1368896 1434304 1439216 2167808 2175232 2279168 2481124 2599676 2608579 2737792 2868608 2878432 4335616 4350464 4558336 4962248 5199352 5217158 5475584 5737216 5756864 6566423 8700928 9116672 9924496 10398704 10434316 10951168 11474432 11513728 13132846 17401856 18233344 19848992 20797408 20868632 21902336 22948864 23027456 26265692 39697984 41594816 41737264 43804672 45897728 46054912 52531384 79395968 83189632 83474528 92109824 105062768 158791936 166379264 166949056 184219648 190426267 210125536 317583872 332758528 333898112 380852534 420251072 635167744 665517056 667796224 761705068 840502144 1270335488 1331034112 1335592448 1523410136 1681004288 2671184896 3046820272 3362008576 5342369792 6093640544 6724017152 12187281088 13448034304 24374562176 48749124352 97498248704 194996497408 389992994816
• Sum of all divisors σ(n): 823199176800
• Sum of proper divisors (its aliquot sum) s(n): 433206181984
• 389992994816 is an abundant number, because the sum of its proper divisors (433206181984) is greater than itself. Its abundance is 43213187168

Bases of 389992994816

• Binary: 101101011001101011001001101100000000000₂
• Hexadecimal: 0x5ACD64D800
• Base-36: 4Z5RRCOW

Squares and roots of 389992994816

• 389992994816 squared (389992994816²) is 152094536005552602873856
• 389992994816 cubed (389992994816³) is 59315803591955401599799029709930496
• The square root of 389992994816 is 624494.1911787491
• The cube root of 389992994816 is 7306.0998294589

Scales and comparisons

• 389,992,994,816 seconds is equal to 12,400 years, 29 weeks, 4 days, 19 hours, 26 minutes, 56 seconds.
• To count from 1 to 389,992,994,816 would take you about twenty-four thousand, eight hundred 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 389992994816 cubic inches would be around 608.8 feet tall.

Recreational maths with 389992994816

• 389992994816 backwards is 618499299983
• The number of decimal digits it has is: 12
• The sum of 389992994816's digits is 77
• More coming soon!