20888921 (number)

20888921 is an odd 8-digits composite number following 20888920 and preceding 20888922. In scientific notation, it is written as 2.0888921 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 20682000 positive integers (up to 20888921) that are relatively prime to 20888921.

Interesting facts

Basic properties

Name

Name twenty million eight hundred eighty-eight thousand nine hundred twenty-one

Notation

Scientific notation 2.0888921 × 10^7
Engineering notation 2.0888921 × 10^6

Prime Factorization of 20888921

Prime Factorization 101 × 206821

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20888921
Product of the distinct prime numbers

The prime factorization of 20888921 is 101 × 206821. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20888921)

Multiplication

n×y
n×2 41777842
n×3 62666763
n×4 83555684
n×5 104444605

Division

n÷y
n÷2 10444460.5
n÷3 6962973.6666667
n÷3 5222230.25
n÷5 4177784.2

Exponentiation

ny
n2 436347020544241
n3 9.114818440734E+21
n4 1.9039872233784E+29
n5 3.977223869416E+36

Nth Root

y√n
2√n 4570.4399131812
3√n 275.40511530941
4√n 67.605028756604
5√n 29.10604533691

Divisors of 20888921

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 -20888920
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 20888921 can be divided by 4 positive divisors. The sum of these divisors (counting 20888921) is 1, the average is 0.25.

Base conversion 20888921

Base System Value
2 Binary 1001111101011110101011001
3 Ternary 1110022021012202
4 Quaternary 1033223311121
5 Quinary 20321421141
6 Senary 2023415545
8 Octal 117536531
10 Decimal 20888921
12 Duodecimal 6bb45b5
16 Hexadecimal 13ebd59
20 Vigesimal 6ab261
36 Base36 cfpzt

Cryptographic Hash Functions

md5 114f08a386cb160af1c18bce01430552
sha1 b2b74b81fc8144f864760e6c336aa4a8482d4fce
sha256 d27b92d294220598d26a961db56c5751529ab81a0ef5fb33ad005e3dc167f013
sha512 718f049189dfb24aeedb118a84afa8be3b1dc1d76d55d58fab65c56ad9070a1090823f3e01d940b4cd58d98397d9b311cdf30ebf8e396a059d522a728b2ea6ec
ripemd-160 6d85eece2b7c2432fad641fd01aa4eec5f1dbaf7

20888921 as geometric shapes

Circle

Radius = n
Diameter 41777842
Circumference 131248961.51004
Area 1.3708245941576E+15

Sphere

Radius = n
Volume 3.8180062202953E+22
Surface area 5.4832983766303E+15
Circumference 131248961.51004

Square

Length = n
Perimeter 83555684
Area 436347020544241
Diagonal 29541395.38154

Cube

Length = n
Surface area 2618082123265446
Volume 9.114818440734E+21
Space diagonal 36180672.487292

Equilateral Triangle

Length = n
Perimeter 62666763
Area 1.8894380232848E+14
Altitude 18090336.243646

Triangular Pyramid

Length = n
Surface area 1.8894380232848E+14
Volume 1.0741916547879E+21
Height 9847131.7938467