20251 (number)

20251 is an odd 5-digits composite number following 20250 and preceding 20252. In scientific notation, it is written as 2.0251 × 10^4. The sum of its digits is 10. It has a total of 3 prime factors and 8 positive divisors. There are 15720 positive integers (up to 20251) that are relatively prime to 20251.

Interesting facts

Basic properties

Name

Name twenty thousand two hundred fifty-one

Notation

Scientific notation 2.0251 × 10^4
Engineering notation 2.0251 × 10^3

Prime Factorization of 20251

Prime Factorization 7 × 11 × 263

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20251
Product of the distinct prime numbers

The prime factorization of 20251 is 7 × 11 × 263. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 4, 11, 33, 294, 762, 4334, 1659, 4151, 82285, 143826, 552010, 373779, 8173406, 66148330, 81512187, 320178393, 725483827, 9579546689, 3418616807

Basic calculations (n = 20251)

Multiplication

n×y
n×2 40502
n×3 60753
n×4 81004
n×5 101255

Division

n÷y
n÷2 10125.5
n÷3 6750.3333333333
n÷3 5062.75
n÷5 4050.2

Exponentiation

ny
n2 410103001
n3 8304995873251
n4 168184471429206001
n5 3.4059037309129E+21

Nth Root

y√n
2√n 142.30600830604
3√n 27.257257556848
4√n 11.929208201136
5√n 7.2658979643313

Divisors of 20251

1, 7, 11, 77, 263, 1841, 2893, 20251

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 -20250
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 20251 can be divided by 8 positive divisors. The sum of these divisors (counting 20251) is 1, the average is 0.125.

Base conversion 20251

Base System Value
2 Binary 100111100011011
3 Ternary 1000210001
4 Quaternary 10330123
5 Quinary 1122001
6 Senary 233431
8 Octal 47433
10 Decimal 20251
12 Duodecimal b877
16 Hexadecimal 4f1b
20 Vigesimal 2acb
36 Base36 fmj

Cryptographic Hash Functions

md5 70d5978ddd158dc934b5fe305e493aae
sha1 2882148a04e89847cb04126206795a4a1bfc37e6
sha256 77f9732c1e4bb3caedbe905cb1c9fa0293775e1486a763d2a63eb811c535ad4e
sha512 1c70d2258d65f67a7180d7ac7c8190887335dfe25a3acad8328399db2e448290d293221614a949435170ab6b9373aaaeb177d0fee665ac07fe2aadc40d09f236
ripemd-160 a63de610c3bd22c48928b9edba39569e738496b2

20251 as geometric shapes

Circle

Radius = n
Diameter 40502
Circumference 127240.78565569
Area 1288376575.1567

Sphere

Radius = n
Volume 34787885364665
Surface area 5153506300.6269
Circumference 127240.78565569

Square

Length = n
Perimeter 81004
Area 410103001
Diagonal 28639.238851618

Cube

Length = n
Surface area 2460618006
Volume 8304995873251
Space diagonal 35075.760904077

Equilateral Triangle

Length = n
Perimeter 60753
Area 177579808.51712
Altitude 17537.880452039

Triangular Pyramid

Length = n
Surface area 177579808.51712
Volume 978753149950.35
Height 9546.4129505392