389990554932

Names of 389990554932

• Cardinal: 389990554932 can be written as Three hundred eighty-nine billion, nine hundred ninety million, five hundred fifty-four thousand, nine hundred thirty-two.

Scientific notation

• Scientific notation: 3.89990554932 × 10¹¹

Factors of 389990554932

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 26147

Divisors of 389990554932

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 6 11 12 22 23 33 44 46 66 69 92 132 138 253 276 506 759 1012 1518 3036 6577 13154 19531 19731 26308 39062 39462 58593 72347 78124 78924 117186 144694 151271 214841 217041 234372 289388 302542 429682 434082 449213 453813 605084 644523 859364 868164 898426 907626 1289046 1347639 1663981 1796852 1815252 2578092 2695278 3327962 4941343 4991943 5390556 6655924 9882686 9983886 14824029 19765372 19967772 29648058 59296116 128455387 256910774 385366161 513821548 770732322 1413009257 1541464644 2826018514 2954473901 4239027771 5652037028 5908947802 8478055542 8863421703 11817895604 16956111084 17726843406 32499212911 35453686812 64998425822 97497638733 129996851644 194995277466 389990554932
• Sum of all divisors σ(n): 1036074783744
• Sum of proper divisors (its aliquot sum) s(n): 646084228812
• 389990554932 is an abundant number, because the sum of its proper divisors (646084228812) is greater than itself. Its abundance is 256093673880

Bases of 389990554932

• Binary: 101101011001101001111111001110100110100₂
• Hexadecimal: 0x5ACD3F9D34
• Base-36: 4Z5QB22C

Squares and roots of 389990554932

• 389990554932 squared (389990554932²) is 152092632936169309524624
• 389990554932 cubed (389990554932³) is 59314690319845649555815386878645568
• The square root of 389990554932 is 624492.2376875473
• The cube root of 389990554932 is 7306.0845932253

Scales and comparisons

• 389,990,554,932 seconds is equal to 12,400 years, 25 weeks, 4 days, 13 hours, 42 minutes, 12 seconds.
• To count from 1 to 389,990,554,932 would take you about twenty-four thousand, eight hundred 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 389990554932 cubic inches would be around 608.8 feet tall.

Recreational maths with 389990554932

• 389990554932 backwards is 239455099983
• 389990554932 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 389990554932's digits is 66
• More coming soon!