21072557 (number)

21072557 is an odd 8-digits composite number following 21072556 and preceding 21072558. In scientific notation, it is written as 2.1072557 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19156860 positive integers (up to 21072557) that are relatively prime to 21072557.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred fifty-seven

Notation

Scientific notation 2.1072557 × 10^7
Engineering notation 2.1072557 × 10^6

Prime Factorization of 21072557

Prime Factorization 11 × 1915687

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21072557
Product of the distinct prime numbers

The prime factorization of 21072557 is 11 × 1915687. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072557)

Multiplication

n×y
n×2 42145114
n×3 63217671
n×4 84290228
n×5 105362785

Division

n÷y
n÷2 10536278.5
n÷3 7024185.6666667
n÷3 5268139.25
n÷5 4214511.4

Exponentiation

ny
n2 444052658518249
n3 9.3573249576273E+21
n4 1.9718276353712E+29
n5 4.1551450240536E+36

Nth Root

y√n
2√n 4590.4854863075
3√n 276.20979725215
4√n 67.753121598252
5√n 29.157040993897

Divisors of 21072557

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 -21072556
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 21072557 can be divided by 4 positive divisors. The sum of these divisors (counting 21072557) is 1, the average is 0.25.

Base conversion 21072557

Base System Value
2 Binary 1010000011000101010101101
3 Ternary 1110122121010002
4 Quaternary 1100120222231
5 Quinary 20343310212
6 Senary 2031354045
8 Octal 120305255
10 Decimal 21072557
12 Duodecimal 7082925
16 Hexadecimal 1418aad
20 Vigesimal 6be17h
36 Base36 cjnot

Cryptographic Hash Functions

md5 86c000fe3f8e47b3d878e59642cb0a2e
sha1 1ac64f94a2d9929d96d9cf9df1e6b3d781dfa253
sha256 d04a6f14c6d3098408fd93c54b7a378aa159046939f8ab70e26bd6c6315a5961
sha512 235a4d4f11f11d655e16107b2ff1cd5ff31872f3d998def814e5a180472eac8aef474d23f61d324292c00257a2451c01bc7381983a256476d02d2637bd633c35
ripemd-160 5c75f42c5bd52fec23bf2289175479319ffd8f37

21072557 as geometric shapes

Circle

Radius = n
Diameter 42145114
Circumference 132402780.5271
Area 1.3950325698079E+15

Sphere

Radius = n
Volume 3.9195871125513E+22
Surface area 5.5801302792318E+15
Circumference 132402780.5271

Square

Length = n
Perimeter 84290228
Area 444052658518249
Diagonal 29801095.90328

Cube

Length = n
Surface area 2664315951109494
Volume 9.3573249576273E+21
Space diagonal 36498739.369391

Equilateral Triangle

Length = n
Perimeter 63217671
Area 1.9228044144741E+14
Altitude 18249369.684696

Triangular Pyramid

Length = n
Surface area 1.9228044144741E+14
Volume 1.1027713218841E+21
Height 9933698.6344267