20108891 (number)

20108891 is an odd 8-digits composite number following 20108890 and preceding 20108892. In scientific notation, it is written as 2.0108891 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 18156640 positive integers (up to 20108891) that are relatively prime to 20108891.

Interesting facts

Basic properties

Name

Name twenty million one hundred eight thousand eight hundred ninety-one

Notation

Scientific notation 2.0108891 × 10^7
Engineering notation 2.0108891 × 10^6

Prime Factorization of 20108891

Prime Factorization 11 × 149 × 12269

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20108891
Product of the distinct prime numbers

The prime factorization of 20108891 is 11 × 149 × 12269. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20108891)

Multiplication

n×y
n×2 40217782
n×3 60326673
n×4 80435564
n×5 100544455

Division

n÷y
n÷2 10054445.5
n÷3 6702963.6666667
n÷3 5027222.75
n÷5 4021778.2

Exponentiation

ny
n2 404367497249881
n3 8.1313819261407E+21
n4 1.6351307283213E+29
n5 3.2880665586564E+36

Nth Root

y√n
2√n 4484.2938128539
3√n 271.93349639267
4√n 66.96486999057
5√n 28.885349322102

Divisors of 20108891

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 -20108890
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 20108891 can be divided by 8 positive divisors. The sum of these divisors (counting 20108891) is 1, the average is 0.125.

Base conversion 20108891

Base System Value
2 Binary 1001100101101011001011011
3 Ternary 1101211122012202
4 Quaternary 1030231121123
5 Quinary 20121441031
6 Senary 1555000415
8 Octal 114553133
10 Decimal 20108891
12 Duodecimal 689910b
16 Hexadecimal 132d65b
20 Vigesimal 65dc4b
36 Base36 bz04b

Cryptographic Hash Functions

md5 fb374eaa2c0b2b083a8b1be674194a9b
sha1 61c4ed0408c97fb064152a16dd32c977087ed65c
sha256 306e413a9b28f396f171482453178796696a5c4a3452af7801c4894537bfa243
sha512 c402d64a360abe7216463dcbc05a0888c9e99b5c21e49d1c5f2f360252b00ad7afa0d29c0f08a0598b76c3f958071eb5cc963e9d3a4e20678f96ef2dcd7f8031
ripemd-160 caa4aadfde10e361e36b7875d54205e92cea26ed

20108891 as geometric shapes

Circle

Radius = n
Diameter 40217782
Circumference 126347888.47488
Area 1.2703579587107E+15

Sphere

Radius = n
Volume 3.4060652963595E+22
Surface area 5.0814318348429E+15
Circumference 126347888.47488

Square

Length = n
Perimeter 80435564
Area 404367497249881
Diagonal 28438266.376482

Cube

Length = n
Surface area 2426204983499286
Volume 8.1313819261407E+21
Space diagonal 34829620.895865

Equilateral Triangle

Length = n
Perimeter 60326673
Area 1.7509626254157E+14
Altitude 17414810.447932

Triangular Pyramid

Length = n
Surface area 1.7509626254157E+14
Volume 9.582925500653E+20
Height 9479422.1254941