16428169681694302788

Names of 16428169681694302788

• Cardinal: 16428169681694302788 can be written as Sixteen quintillion, four hundred twenty-eight quadrillion, one hundred sixty-nine trillion, six hundred eighty-one billion, six hundred ninety-four million, three hundred two thousand, seven hundred eighty-eight.

Scientific notation

• Scientific notation: 1.6428169681694302788 × 10¹⁹

Factors of 16428169681694302788

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 2765682145

Divisors of 16428169681694302788

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 4 6 9 12 18 27 36 54 81 108 162 243 324 486 972 6124681 12249362 18374043 24498724 36748086 55122129 73496172 110244258 165366387 220488516 330732774 496099161 661465548 992198322 1488297483 1984396644 2759557459 2976594966 5519114918 5953189932 8278672377 11038229836 16557344754 24836017131 33114689508 49672034262 74508051393 99344068524 149016102786 223524154179 298032205572 447048308358 670572462537 894096616716 1341144925074 2682289850148 16901409137545579 33802818275091158 50704227412636737 67605636550182316 101408454825273474 152112682237910211 202816909650546948 304225364475820422 456338046713730633 608450728951640844 912676093427461266 1369014140141191899 1825352186854922532 2738028280282383798 4107042420423575697 5476056560564767596 8214084840847151394 16428169681694302788
• Sum of all divisors σ(n): 43064797529424230560
• Sum of proper divisors (its aliquot sum) s(n): 26636627847729927772
• 16428169681694302788 is an abundant number, because the sum of its proper divisors (26636627847729927772) is greater than itself. Its abundance is 10208458166035624984

Bases of 16428169681694302788

• Binary: 1110001111111100100101010100100100001011001110110010001001000100₂
• Hexadecimal: 0xE3FC95490B3B2244
• Base-36: 3GTAC4KA58W90

Squares and roots of 16428169681694302788

• 16428169681694302788 squared (16428169681694302788²) is 269884759090539889783992797617424572944
• 16428169681694302788 cubed (16428169681694302788³) is 4433712616842578291945742306843182323700691349238728567872
• The square root of 16428169681694302788 is 4053167857.5768735103
• The cube root of 16428169681694302788 is 2542122.0244782255

Scales and comparisons

• 16,428,169,681,694,302,788 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 16,428,169,681,694,302,788 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 16428169681694302788 cubic inches would be around 211843.5 feet tall.

Recreational maths with 16428169681694302788

• 16428169681694302788 backwards is 88720349618696182461
• The number of decimal digits it has is: 20
• The sum of 16428169681694302788's digits is 99
• More coming soon!