20451749 (number)

20451749 is an odd 8-digits composite number following 20451748 and preceding 20451750. In scientific notation, it is written as 2.0451749 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20392800 positive integers (up to 20451749) that are relatively prime to 20451749.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand seven hundred forty-nine

Notation

Scientific notation 2.0451749 × 10^7
Engineering notation 2.0451749 × 10^6

Prime Factorization of 20451749

Prime Factorization 349 × 58601

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20451749
Product of the distinct prime numbers

The prime factorization of 20451749 is 349 × 58601. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20451749)

Multiplication

n×y
n×2 40903498
n×3 61355247
n×4 81806996
n×5 102258745

Division

n÷y
n÷2 10225874.5
n÷3 6817249.6666667
n÷3 5112937.25
n÷5 4090349.8

Exponentiation

ny
n2 418274037159001
n3 8.5544356211926E+21
n4 1.7495317016129E+29
n5 3.578098322893E+36

Nth Root

y√n
2√n 4522.3609984166
3√n 273.47029011288
4√n 67.248501830276
5√n 28.983183790196

Divisors of 20451749

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 -20451748
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 20451749 can be divided by 4 positive divisors. The sum of these divisors (counting 20451749) is 1, the average is 0.25.

Base conversion 20451749

Base System Value
2 Binary 1001110000001000110100101
3 Ternary 1102111001112012
4 Quaternary 1032001012211
5 Quinary 20213423444
6 Senary 2010204005
8 Octal 116010645
10 Decimal 20451749
12 Duodecimal 6a23605
16 Hexadecimal 13811a5
20 Vigesimal 67g979
36 Base36 c6co5

Cryptographic Hash Functions

md5 ad0aff171479a25b58781be07bf8142f
sha1 8382fd18e0c832db3f59881a484b6771933ba5fc
sha256 5ede7b8c1c6c97c6bd99bc78790c1886ce2fa6f7acb118b5453d41b61cf6275c
sha512 9f5348f1bbf3ad1feb0ce19fcaefb6593bfefa9b68b1ee9c0d80c5a263fd1a7d079298068f8b159b089027ce460803d87085d040bda431de9ff453f12d5a0860
ripemd-160 a98b8b7356e6fb490ec4efbeba2e92ad84bc0dc8

20451749 as geometric shapes

Circle

Radius = n
Diameter 40903498
Circumference 128502128.82292
Area 1.3140466423261E+15

Sphere

Radius = n
Volume 3.5832736137527E+22
Surface area 5.2561865693042E+15
Circumference 128502128.82292

Square

Length = n
Perimeter 81806996
Area 418274037159001
Diagonal 28923140.81005

Cube

Length = n
Surface area 2509644222954006
Volume 8.5544356211926E+21
Space diagonal 35423468.371646

Equilateral Triangle

Length = n
Perimeter 61355247
Area 1.8111797096159E+14
Altitude 17711734.185823

Triangular Pyramid

Length = n
Surface area 1.8111797096159E+14
Volume 1.0081499061615E+21
Height 9641046.9366835