15690881 (number)

15690881 is an odd 8-digits composite number following 15690880 and preceding 15690882. In scientific notation, it is written as 1.5690881 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 14767872 positive integers (up to 15690881) that are relatively prime to 15690881.

Interesting facts

Basic properties

Name

Name fifteen million six hundred ninety thousand eight hundred eighty-one

Notation

Scientific notation 1.5690881 × 10^7
Engineering notation 1.5690881 × 10^6

Prime Factorization of 15690881

Prime Factorization 17 × 922993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 15690881
Product of the distinct prime numbers

The prime factorization of 15690881 is 17 × 922993. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 15690881)

Multiplication

n×y
n×2 31381762
n×3 47072643
n×4 62763524
n×5 78454405

Division

n÷y
n÷2 7845440.5
n÷3 5230293.6666667
n÷3 3922720.25
n÷5 3138176.2

Exponentiation

ny
n2 246203746556161
n3 3.8631536889669E+21
n4 6.061628481829E+28
n5 9.511229117459E+35

Nth Root

y√n
2√n 3961.1716700996
3√n 250.35087265647
4√n 62.937839731752
5√n 27.487134386481

Divisors of 15690881

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 -15690880
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 15690881 can be divided by 4 positive divisors. The sum of these divisors (counting 15690881) is 1, the average is 0.25.

Base conversion 15690881

Base System Value
2 Binary 111011110110110010000001
3 Ternary 1002112011211202
4 Quaternary 323312302001
5 Quinary 13004102011
6 Senary 1320150545
8 Octal 73666201
10 Decimal 15690881
12 Duodecimal 5308455
16 Hexadecimal ef6c81
20 Vigesimal 4i1741
36 Base36 9cb5t

Cryptographic Hash Functions

md5 637ff57a688203ad284eae30badcc3f8
sha1 afd7591e7baf3f802b44c2c195ce063c04d86a95
sha256 902b849bd2e5d06c6a3230c52b1ead0e71dd62ff2b24648ebafd5d128b0f86c3
sha512 278bab47e7e38200ecf8a068c862737962f04f35612c3fce8c914fbfdac63326357d0ecbac98c8ce8f1460f513d88fa071bfe6d03880c3c2e80adcea61efd917
ripemd-160 3159e932d1752f2c28d444cf39dae9f87860ad37

15690881 as geometric shapes

Circle

Radius = n
Diameter 31381762
Circumference 98588712.955903
Area 7.7347188146712E+14

Sphere

Radius = n
Volume 1.6181940331929E+22
Surface area 3.0938875258685E+15
Circumference 98588712.955903

Square

Length = n
Perimeter 62763524
Area 246203746556161
Diagonal 22190256.715782

Cube

Length = n
Surface area 1477222479336966
Volume 3.8631536889669E+21
Space diagonal 27177403.107517

Equilateral Triangle

Length = n
Perimeter 47072643
Area 1.0660934951227E+14
Altitude 13588701.553759

Triangular Pyramid

Length = n
Surface area 1.0660934951227E+14
Volume 4.5527702837238E+20
Height 7396752.2385941