68909984 (number)

68909984 is an even 8-digits composite number following 68909983 and preceding 68909985. In scientific notation, it is written as 6.8909984 × 10^7. The sum of its digits is 53. It has a total of 9 prime factors and 72 positive divisors. There are 28131840 positive integers (up to 68909984) that are relatively prime to 68909984.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred nine thousand nine hundred eighty-four

Notation

Scientific notation 6.8909984 × 10^7
Engineering notation 6.8909984 × 10^6

Prime Factorization of 68909984

Prime Factorization 2 × 2 × 2 × 2 × 2 × 11 × 143 × 37 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 116402
Product of the distinct prime numbers

The prime factorization of 68909984 is 2 × 2 × 2 × 2 × 2 × 11 × 143 × 37 × 37. Since it has a total of 9 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68909984)

Multiplication

n×y
n×2 137819968
n×3 206729952
n×4 275639936
n×5 344549920

Division

n÷y
n÷2 34454992
n÷3 22969994.666667
n÷3 17227496
n÷5 13781996.8

Exponentiation

ny
n2 4748585894880256
n3 3.2722497803882E+23
n4 2.2549068001056E+31
n5 1.5538559151677E+39

Nth Root

y√n
2√n 8301.2037681291
3√n 409.97815469568
4√n 91.110942087814
5√n 36.953572455644

Divisors of 68909984

72 divisors

τ Total Divisors 72
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68909983
Sum of the proper positive divisors of n
A Arithmetic Mean 0.013888888888889
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 72
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68909984 can be divided by 72 positive divisors. The sum of these divisors (counting 68909984) is 1, the average is 0.013888888888889.

Base conversion 68909984

Base System Value
2 Binary 100000110110111101110100000
3 Ternary 11210122222201122
4 Quaternary 10012313232200
5 Quinary 120120104414
6 Senary 10500551412
8 Octal 406675640
10 Decimal 68909984
12 Duodecimal 1b0b2568
16 Hexadecimal 41b7ba0
20 Vigesimal 11adej4
36 Base36 150za8

Cryptographic Hash Functions

md5 6c89ff4dbaea4691a52bfe9ff05a8944
sha1 34e7b24a5cebdb2760c688d573cb0aea14490c91
sha256 4bfb596a6b9ab2f3e4c20ff72376fb62b9f3f686f7bf3b839d3e08b7c0e036ab
sha512 aa5420e31824e791736a06b1171c8767e39936bdfd1ca5ffae93566c3566421fe314294dc28446f43393ac69c99e03cb174fbdec4e44e9f467014358fa3dcba5
ripemd-160 80bb4daa0d2474c585a0a858d9afd8d55b2294e6

68909984 as geometric shapes

Circle

Radius = n
Diameter 137819968
Circumference 432974198.98678
Area 1.4918122562296E+16

Sphere

Radius = n
Volume 1.3706767827705E+24
Surface area 5.9672490249184E+16
Circumference 432974198.98678

Square

Length = n
Perimeter 275639936
Area 4748585894880256
Diagonal 97453433.955713

Cube

Length = n
Surface area 28491515369281536
Volume 3.2722497803882E+23
Space diagonal 119355593.43676

Equilateral Triangle

Length = n
Perimeter 206729952
Area 2.0561980085094E+15
Altitude 59677796.718379

Triangular Pyramid

Length = n
Surface area 2.0561980085094E+15
Volume 3.8563833490812E+22
Height 32484477.985238