21051937 (number)

21051937 is an odd 8-digits composite number following 21051936 and preceding 21051938. In scientific notation, it is written as 2.1051937 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 21041856 positive integers (up to 21051937) that are relatively prime to 21051937.

Interesting facts

Basic properties

Name

Name twenty-one million fifty-one thousand nine hundred thirty-seven

Notation

Scientific notation 2.1051937 × 10^7
Engineering notation 2.1051937 × 10^6

Prime Factorization of 21051937

Prime Factorization 7129 × 2953

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21051937
Product of the distinct prime numbers

The prime factorization of 21051937 is 7129 × 2953. Since it has a total of 2 prime factors.

Most popular turbo-numbers

4, 2, 25, 74, 242, 691, 5660, 9380, 79679, 62849, 394905, 600266, 8028454, 4948987, 88744298, 36598682, 883961310, 343479501, 6731484301, 5062760354

Basic calculations (n = 21051937)

Multiplication

n×y
n×2 42103874
n×3 63155811
n×4 84207748
n×5 105259685

Division

n÷y
n÷2 10525968.5
n÷3 7017312.3333333
n÷3 5262984.25
n÷5 4210387.4

Exponentiation

ny
n2 443184051451969
n3 9.3298827305716E+21
n4 1.9641210346138E+29
n5 4.1348552281065E+36

Nth Root

y√n
2√n 4588.2389868009
3√n 276.11967522377
4√n 67.736541001153
5√n 29.151332587023

Divisors of 21051937

1, 2953, 7129, 21051937

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 -21051936
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 21051937 can be divided by 4 positive divisors. The sum of these divisors (counting 21051937) is 1, the average is 0.25.

Base conversion 21051937

Base System Value
2 Binary 1010000010011101000100001
3 Ternary 1110121112211101
4 Quaternary 1100103220201
5 Quinary 20342130222
6 Senary 2031114401
8 Octal 120235041
10 Decimal 21051937
12 Duodecimal 7072a01
16 Hexadecimal 1413a21
20 Vigesimal 6bb9gh
36 Base36 cj7s1

Cryptographic Hash Functions

md5 5d119da925411364272f15678c473ec9
sha1 ec5cbde8c034a87d9e40ab731899ca998cb7347d
sha256 86a253732068436869156d0b20de03c4516d563a5756643c958979a51c0043d2
sha512 b40f5d817ae0395f8b13f557a1b68aabba24b0d540f4d328bfedb8a51fa999679a4530d503291becb850305248151eb3276f4986d8dca25cb2c17f09b782a0ff
ripemd-160 de5b827f51a78b73541ed778f1a53dd2e6ea02c2

21051937 as geometric shapes

Circle

Radius = n
Diameter 42103874
Circumference 132273221.24607
Area 1.3923037602297E+15

Sphere

Radius = n
Volume 3.9080921393624E+22
Surface area 5.5692150409187E+15
Circumference 132273221.24607

Square

Length = n
Perimeter 84207748
Area 443184051451969
Diagonal 29771934.819624

Cube

Length = n
Surface area 2659104308711814
Volume 9.3298827305716E+21
Space diagonal 36463024.481739

Equilateral Triangle

Length = n
Perimeter 63155811
Area 1.9190432355476E+14
Altitude 18231512.24087

Triangular Pyramid

Length = n
Surface area 1.9190432355476E+14
Volume 1.0995372244104E+21
Height 9923978.273208