15679921 (number)

15679921 is an odd 8-digits composite number following 15679920 and preceding 15679922. In scientific notation, it is written as 1.5679921 × 10^7. The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors. There are 14854644 positive integers (up to 15679921) that are relatively prime to 15679921.

Interesting facts

Basic properties

Name

Name fifteen million six hundred seventy-nine thousand nine hundred twenty-one

Notation

Scientific notation 1.5679921 × 10^7
Engineering notation 1.5679921 × 10^6

Prime Factorization of 15679921

Prime Factorization 19 × 825259

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15679921
Product of the distinct prime numbers

The prime factorization of 15679921 is 19 × 825259. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15679921)

Multiplication

n×y
n×2 31359842
n×3 47039763
n×4 62719684
n×5 78399605

Division

n÷y
n÷2 7839960.5
n÷3 5226640.3333333
n÷3 3919980.25
n÷5 3135984.2

Exponentiation

ny
n2 245859922566241
n3 3.8550641629048E+21
n4 6.0447101524278E+28
n5 9.4780577657966E+35

Nth Root

y√n
2√n 3959.7879993757
3√n 250.29256947884
4√n 62.926846412129
5√n 27.483293388652

Divisors of 15679921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15679920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15679921 can be divided by 4 positive divisors. The sum of these divisors (counting 15679921) is 1, the average is 0.25.

Base conversion 15679921

Base System Value
2 Binary 111011110100000110110001
3 Ternary 1002111121210211
4 Quaternary 323310012301
5 Quinary 13003224141
6 Senary 1320024121
8 Octal 73640661
10 Decimal 15679921
12 Duodecimal 5302041
16 Hexadecimal ef41b1
20 Vigesimal 4hjjg1
36 Base36 9c2pd

Cryptographic Hash Functions

md5 fde46d5dbd108a10e888c5934fcc5f5d
sha1 1ccc3a3a81bd882697aed33686bf9335e372b4c9
sha256 73c9345ebc419274891b52a464b532727ca9fa445ca707fd2f0de53f43659719
sha512 ff481f2d3c96b04e5fdca58b85866685fdda0132d04c85b1421593651a4affcd40986d55ed466a25e8e676847cc765bede7c737ed1bd795c87ad43ecb2b03d6b
ripemd-160 50f4714af10388a31cec99947e7895325b91a71b

15679921 as geometric shapes

Circle

Radius = n
Diameter 31359842
Circumference 98519849.244937
Area 7.7239172654626E+14

Sphere

Radius = n
Volume 1.6148055004399E+22
Surface area 3.089566906185E+15
Circumference 98519849.244937

Square

Length = n
Perimeter 62719684
Area 245859922566241
Diagonal 22174756.935139

Cube

Length = n
Surface area 1475159535397446
Volume 3.8550641629048E+21
Space diagonal 27158419.830666

Equilateral Triangle

Length = n
Perimeter 47039763
Area 1.0646046935742E+14
Altitude 13579209.915333

Triangular Pyramid

Length = n
Surface area 1.0646046935742E+14
Volume 4.543236685832E+20
Height 7391585.6450462