20091661 (number)

20091661 is an odd 8-digits composite number following 20091660 and preceding 20091662. In scientific notation, it is written as 2.0091661 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19865824 positive integers (up to 20091661) that are relatively prime to 20091661.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand six hundred sixty-one

Notation

Scientific notation 2.0091661 × 10^7
Engineering notation 2.0091661 × 10^6

Prime Factorization of 20091661

Prime Factorization 89 × 225749

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20091661
Product of the distinct prime numbers

The prime factorization of 20091661 is 89 × 225749. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20091661)

Multiplication

n×y
n×2 40183322
n×3 60274983
n×4 80366644
n×5 100458305

Division

n÷y
n÷2 10045830.5
n÷3 6697220.3333333
n÷3 5022915.25
n÷5 4018332.2

Exponentiation

ny
n2 403674841738921
n3 8.1104980744471E+21
n4 1.6295337785294E+29
n5 3.2740040266262E+36

Nth Root

y√n
2√n 4482.3722513865
3√n 271.85580682758
4√n 66.950520919456
5√n 28.880397629506

Divisors of 20091661

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 -20091660
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 20091661 can be divided by 4 positive divisors. The sum of these divisors (counting 20091661) is 1, the average is 0.25.

Base conversion 20091661

Base System Value
2 Binary 1001100101001001100001101
3 Ternary 1101210202120121
4 Quaternary 1030221030031
5 Quinary 20120413121
6 Senary 1554344541
8 Octal 114511415
10 Decimal 20091661
12 Duodecimal 688b151
16 Hexadecimal 132930d
20 Vigesimal 65b931
36 Base36 bymtp

Cryptographic Hash Functions

md5 3c9881ae61fa736278b9f6a377c90b2c
sha1 467d8dca296b4ef99aae1496c48fb5af7ebabfbf
sha256 6c19455556259ad0d027bc3d1e4bdb69e057cbe725de1026d516416089c88ec9
sha512 dfafc51d8499662b4421589e3c2831f144870e9b322b417139fc06140818449af90991269598c0a55f6fb6d2d480b23e7d1b7a59610bf0ef694ec73f0f71cfed
ripemd-160 1b40dcc6f3b0fa1c9dcc334cfe604efb1791f95f

20091661 as geometric shapes

Circle

Radius = n
Diameter 40183322
Circumference 126239629.19203
Area 1.268181917246E+15

Sphere

Radius = n
Volume 3.3973174890183E+22
Surface area 5.0727276689841E+15
Circumference 126239629.19203

Square

Length = n
Perimeter 80366644
Area 403674841738921
Diagonal 28413899.476803

Cube

Length = n
Surface area 2422049050433526
Volume 8.1104980744471E+21
Space diagonal 34799777.66045

Equilateral Triangle

Length = n
Perimeter 60274983
Area 1.7479633390728E+14
Altitude 17399888.830225

Triangular Pyramid

Length = n
Surface area 1.7479633390728E+14
Volume 9.5583136454032E+20
Height 9471299.8256009