389438342272

Names of 389438342272

• Cardinal: 389438342272 can be written as Three hundred eighty-nine billion, four hundred thirty-eight million, three hundred forty-two thousand, two hundred seventy-two.

Scientific notation

• Scientific notation: 3.89438342272 × 10¹¹

Factors of 389438342272

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 3097

Divisors of 389438342272

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 47 56 64 94 112 128 188 224 329 376 448 658 752 896 1316 1504 2632 3008 3041 5264 6016 6082 10528 12164 21056 21287 24328 42112 42574 48656 85148 97312 142927 170296 194624 285854 340592 389248 571708 681184 1000489 1143416 1362368 2000978 2286832 2724736 4001956 4573664 8003912 9147328 9247681 16007824 18294656 18495362 32015648 36990724 64031296 64733767 73981448 128062592 129467534 147962896 258935068 295925792 434641007 517870136 591851584 869282014 1035740272 1183703168 1738564028 2071480544 3042487049 3477128056 4142961088 6084974098 6954256112 8285922176 12169948196 13908512224 24339896392 27817024448 48679792784 55634048896 97359585568 194719171136 389438342272
• Sum of all divisors σ(n): 905830796160
• Sum of proper divisors (its aliquot sum) s(n): 516392453888
• 389438342272 is an abundant number, because the sum of its proper divisors (516392453888) is greater than itself. Its abundance is 126954111616

Bases of 389438342272

• Binary: 101101010101100010101011000010010000000₂
• Hexadecimal: 0x5AAC558480
• Base-36: 4YWLJ81S

Squares and roots of 389438342272

• 389438342272 squared (389438342272²) is 151662222431563422121984
• 389438342272 cubed (389438342272³) is 59063084489035392080416821527707648
• The square root of 389438342272 is 624049.9517442493
• The cube root of 389438342272 is 7302.6345796309

Scales and comparisons

• 389,438,342,272 seconds is equal to 12,382 years, 48 weeks, 4 days, 5 hours, 17 minutes, 52 seconds.
• To count from 1 to 389,438,342,272 would take you about twenty-four thousand, seven hundred sixty-five 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 389438342272 cubic inches would be around 608.6 feet tall.

Recreational maths with 389438342272

• 389438342272 backwards is 272243834983
• The number of decimal digits it has is: 12
• The sum of 389438342272's digits is 55
• More coming soon!