20971251 (number)

20971251 is an odd 8-digits composite number following 20971250 and preceding 20971252. In scientific notation, it is written as 2.0971251 × 10^7. The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors. There are 10990080 positive integers (up to 20971251) that are relatively prime to 20971251.

Interesting facts

Basic properties

Name

Name twenty million nine hundred seventy-one thousand two hundred fifty-one

Notation

Scientific notation 2.0971251 × 10^7
Engineering notation 2.0971251 × 10^6

Prime Factorization of 20971251

Prime Factorization 9 × 21 × 17 × 61 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 20971251
Product of the distinct prime numbers

The prime factorization of 20971251 is 9 × 21 × 17 × 61 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

3, 10, 12, 84, 289, 794, 2102, 3802, 88119, 34684, 365315, 734107, 5001574, 9775701, 34235368, 42993646, 608087893, 207048038, 469921856, 6044029466

Basic calculations (n = 20971251)

Multiplication

n×y
n×2 41942502
n×3 62913753
n×4 83885004
n×5 104856255

Division

n÷y
n÷2 10485625.5
n÷3 6990417
n÷3 5242812.75
n÷5 4194250.2

Exponentiation

ny
n2 439793368505001
n3 9.2230171190539E+21
n4 1.9341820698098E+29
n5 4.056221766568E+36

Nth Root

y√n
2√n 4579.4378475966
3√n 275.76646123593
4√n 67.671543854094
5√n 29.128952520896

Divisors of 20971251

1, 9, 17, 21, 61, 107, 153, 189, 357, 549, 963, 1037, 1281, 1819, 2247, 3213, 6527, 9333, 11529, 16371, 20223, 21777, 38199, 58743, 110959, 137067, 195993, 343791, 998631, 1233603, 2330139, 20971251

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20971250
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20971251 can be divided by 32 positive divisors. The sum of these divisors (counting 20971251) is 1, the average is 0.03125.

Base conversion 20971251

Base System Value
2 Binary 1001111111111111011110011
3 Ternary 1110110110011000
4 Quaternary 1033333323303
5 Quinary 20332040001
6 Senary 2025253043
8 Octal 117777363
10 Decimal 20971251
12 Duodecimal 7034183
16 Hexadecimal 13ffef3
20 Vigesimal 6b182b
36 Base36 chhir

Cryptographic Hash Functions

md5 33d9c0eabc7e67ffc40e2c35a6cdb362
sha1 5f03625b0508b7e42267207aaa2ee10c01fe18c6
sha256 4caec6a953cfcd03df4af7f0b0d70f77617a547529c3788d708236cace299486
sha512 249a0e257f893e2df25d5fdc45b2cc92e507103ed9dc520726563897975e5ee13fcc6b9ba2d3f23882d7083a4c179f3930a6f62c6709adb9c2d23b301b3ee2bf
ripemd-160 c9e9bd18296bd106fd011f9f14ded20547def260

20971251 as geometric shapes

Circle

Radius = n
Diameter 41942502
Circumference 131766256.15638
Area 1.3816516155928E+15

Sphere

Radius = n
Volume 3.863328376687E+22
Surface area 5.5266064623713E+15
Circumference 131766256.15638

Square

Length = n
Perimeter 83885004
Area 439793368505001
Diagonal 29657827.58413

Cube

Length = n
Surface area 2638760211030006
Volume 9.2230171190539E+21
Space diagonal 36323272.23028

Equilateral Triangle

Length = n
Perimeter 62913753
Area 1.9043611477063E+14
Altitude 18161636.11514

Triangular Pyramid

Length = n
Surface area 1.9043611477063E+14
Volume 1.0869429913138E+21
Height 9885942.5280434