20210749 (number)

20210749 is an odd 8-digits composite number following 20210748 and preceding 20210750. In scientific notation, it is written as 2.0210749 × 10^7. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 18430320 positive integers (up to 20210749) that are relatively prime to 20210749.

Interesting facts

Basic properties

Name

Name twenty million two hundred ten thousand seven hundred forty-nine

Notation

Scientific notation 2.0210749 × 10^7
Engineering notation 2.0210749 × 10^6

Prime Factorization of 20210749

Prime Factorization 13 × 83 × 18731

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20210749
Product of the distinct prime numbers

The prime factorization of 20210749 is 13 × 83 × 18731. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20210749)

Multiplication

n×y
n×2 40421498
n×3 60632247
n×4 80842996
n×5 101053745

Division

n÷y
n÷2 10105374.5
n÷3 6736916.3333333
n÷3 5052687.25
n÷5 4042149.8

Exponentiation

ny
n2 408474375141001
n3 8.2555730689066E+21
n4 1.6685131514683E+29
n5 3.3721900507525E+36

Nth Root

y√n
2√n 4495.636662365
3√n 272.39186686832
4√n 67.049509038955
5√n 28.914552928419

Divisors of 20210749

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 -20210748
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 20210749 can be divided by 8 positive divisors. The sum of these divisors (counting 20210749) is 1, the average is 0.125.

Base conversion 20210749

Base System Value
2 Binary 1001101000110010000111101
3 Ternary 1102000210221021
4 Quaternary 1031012100331
5 Quinary 20133220444
6 Senary 2001104141
8 Octal 115062075
10 Decimal 20210749
12 Duodecimal 6928051
16 Hexadecimal 134643d
20 Vigesimal 6666h9
36 Base36 c16pp

Cryptographic Hash Functions

md5 a62de124418abe6d77110a68a844b537
sha1 6e2fe34631ce4353a81dabedcc621366402036f9
sha256 f5d08eeff6b1a82eef80ebe115925232bd80d098845c004f14334c3e4a0f3ab5
sha512 bbb06c039b03c33471172c4028aad4f7905691551d7e9d522ce239445d2619ac9d26171067b5d2ae2f4fb89641e00f042ddd8f891939d143bf478e438dc2e42d
ripemd-160 3c48023201f3943b1d1de20fae30239b89ec7150

20210749 as geometric shapes

Circle

Radius = n
Diameter 40421498
Circumference 126987881.16389
Area 1.2832600961226E+15

Sphere

Radius = n
Volume 3.4580863605934E+22
Surface area 5.1330403844906E+15
Circumference 126987881.16389

Square

Length = n
Perimeter 80842996
Area 408474375141001
Diagonal 28582315.341518

Cube

Length = n
Surface area 2450846250846006
Volume 8.2555730689066E+21
Space diagonal 35006044.127022

Equilateral Triangle

Length = n
Perimeter 60632247
Area 1.7687459283354E+14
Altitude 17503022.063511

Triangular Pyramid

Length = n
Surface area 1.7687459283354E+14
Volume 9.7292861660082E+20
Height 9527438.4471728