15668961 (number)

15668961 is an odd 8-digits composite number following 15668960 and preceding 15668962. In scientific notation, it is written as 1.5668961 × 10^7. The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors. There are 7855680 positive integers (up to 15668961) that are relatively prime to 15668961.

Interesting facts

Basic properties

Name

Name fifteen million six hundred sixty-eight thousand nine hundred sixty-one

Notation

Scientific notation 1.5668961 × 10^7
Engineering notation 1.5668961 × 10^6

Prime Factorization of 15668961

Prime Factorization 21 × 319 × 2339

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15668961
Product of the distinct prime numbers

The prime factorization of 15668961 is 21 × 319 × 2339. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15668961)

Multiplication

n×y
n×2 31337922
n×3 47006883
n×4 62675844
n×5 78344805

Division

n÷y
n÷2 7834480.5
n÷3 5222987
n÷3 3917240.25
n÷5 3133792.2

Exponentiation

ny
n2 245516338819521
n3 3.8469859378259E+21
n4 6.0278272627342E+28
n5 9.4449790294519E+35

Nth Root

y√n
2√n 3958.403844986
3√n 250.23423912625
4√n 62.915847327887
5√n 27.479450242387

Divisors of 15668961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15668960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15668961 can be divided by 8 positive divisors. The sum of these divisors (counting 15668961) is 1, the average is 0.125.

Base conversion 15668961

Base System Value
2 Binary 111011110001011011100001
3 Ternary 1002111001202220
4 Quaternary 323301123201
5 Quinary 13002401321
6 Senary 1315501253
8 Octal 73613341
10 Decimal 15668961
12 Duodecimal 52b7829
16 Hexadecimal ef16e1
20 Vigesimal 4hic81
36 Base36 9bu8x

Cryptographic Hash Functions

md5 f1881c8228e10916a6c6d8672c171bed
sha1 a3c137b6847a4c16826e4702b9069b082b4ff1ba
sha256 17f7391d949da03f113e80bb489621a909da7450a787ed4bae9f8a7f4470ac94
sha512 acaee9b3bf865b8ee40a060bc41e0b15f0d0baa61a54b17a617b12a0ca3ec1884cdd3e0454a04e9f02138c088a2a2065d44c3b256eb9f35da4d7198ee9e57ac9
ripemd-160 a8e2b346e5c3e3ec0b6367609631a1aaddc2d099

15668961 as geometric shapes

Circle

Radius = n
Diameter 31337922
Circumference 98450985.53397
Area 7.7131232637167E+14

Sphere

Radius = n
Volume 1.6114217014316E+22
Surface area 3.0852493054867E+15
Circumference 98450985.53397

Square

Length = n
Perimeter 62675844
Area 245516338819521
Diagonal 22159257.154495

Cube

Length = n
Surface area 1473098032917126
Volume 3.8469859378259E+21
Space diagonal 27139436.553815

Equilateral Triangle

Length = n
Perimeter 47006883
Area 1.0631169323093E+14
Altitude 13569718.276908

Triangular Pyramid

Length = n
Surface area 1.0631169323093E+14
Volume 4.5337164062766E+20
Height 7386419.0514984