728657468064

Names of 728657468064

• Cardinal: 728657468064 can be written as Seven hundred twenty-eight billion, six hundred fifty-seven million, four hundred sixty-eight thousand and sixty-four.

Scientific notation

• Scientific notation: 7.28657468064 × 10¹¹

Factors of 728657468064

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 13634

Divisors of 728657468064

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 72 76 96 108 114 144 152 171 216 228 288 304 342 432 456 513 608 684 864 912 1026 1368 1824 2052 2736 4104 5419 5472 8191 8208 10838 16257 16382 16416 21676 24573 32514 32764 43352 48771 49146 65028 65528 73719 86704 97542 98292 102961 130056 131056 146313 147438 155629 173408 195084 196584 205922 221157 260112 262112 292626 294876 308883 311258 390168 393168 411844 442314 466887 520224 585252 589752 617766 622516 780336 786336 823688 884628 926649 933774 1170504 1179504 1235532 1245032 1400661 1560672 1647376 1769256 1853298 1867548 2341008 2359008 2471064 2490064 2779947 2801322 3294752 3538512 3706596 3735096 4201983 4682016 4942128 4980128 5559894 5602644 7077024 7413192 7470192 8403966 9884256 11119788 11205288 14826384 14940384 16807932 22239576 22410576 29652768 33615864 44387029 44479152 44821152 67231728 88774058 88958304 133161087 134463456 177548116 266322174 355096232 399483261 532644348 710192464 798966522 843353551 1065288696 1198449783 1420384928 1597933044 1686707102 2130577392 2396899566 2530060653 3195866088 3373414204 4261154784 4793799132 5060121306 6391732176 6746828408 7590181959 9587598264 10120242612 12783464352 13493656816 15180363918 19175196528 20240485224 22770545877 26987313632 30360727836 38350393056 40480970448 45541091754 60721455672 80961940896 91082183508 121442911344 182164367016 242885822688 364328734032 728657468064
• Sum of all divisors σ(n): 2237792256000
• Sum of proper divisors (its aliquot sum) s(n): 1509134787936
• 728657468064 is an abundant number, because the sum of its proper divisors (1509134787936) is greater than itself. Its abundance is 780477319872

Bases of 728657468064

• Binary: 1010100110100111010111101001101010100000₂
• Hexadecimal: 0xA9A75E9AA0
• Base-36: 9AQNUCO0

Squares and roots of 728657468064

• 728657468064 squared (728657468064²) is 530941705765439179908096
• 728657468064 cubed (728657468064³) is 386874639012626183908817811575046144
• The square root of 728657468064 is 853614.3555868775
• The cube root of 728657468064 is 8998.5901827243

Scales and comparisons

• 728,657,468,064 seconds is equal to 23,169 years, 2 weeks, 5 days, 12 hours, 14 minutes, 24 seconds.
• To count from 1 to 728,657,468,064 would take you about forty-six thousand, three hundred thirty-eight 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 728657468064 cubic inches would be around 749.9 feet tall.

Recreational maths with 728657468064

• 728657468064 backwards is 460864756827
• The number of decimal digits it has is: 12
• The sum of 728657468064's digits is 63
• More coming soon!