20210991 (number)

20210991 is an odd 8-digits composite number following 20210990 and preceding 20210992. In scientific notation, it is written as 2.0210991 × 10^7. The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors. There are 12787200 positive integers (up to 20210991) that are relatively prime to 20210991.

Interesting facts

Basic properties

Name

Name twenty million two hundred ten thousand nine hundred ninety-one

Notation

Scientific notation 2.0210991 × 10^7
Engineering notation 2.0210991 × 10^6

Prime Factorization of 20210991

Prime Factorization 3 × 37 × 41 × 4441

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20210991
Product of the distinct prime numbers

The prime factorization of 20210991 is 3 × 37 × 41 × 4441. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 3, 47, 92, 923, 781, 4016, 5083, 18067, 24894, 631169, 429900, 1948676, 2124997, 13728150, 53588327, 751462108, 904717994, 4458756584, 1312246575

Basic calculations (n = 20210991)

Multiplication

n×y
n×2 40421982
n×3 60632973
n×4 80843964
n×5 101054955

Division

n÷y
n÷2 10105495.5
n÷3 6736997
n÷3 5052747.75
n÷5 4042198.2

Exponentiation

ny
n2 408484157202081
n3 8.2558696248538E+21
n4 1.6685930668509E+29
n5 3.3723919456787E+36

Nth Root

y√n
2√n 4495.6635772709
3√n 272.39295405495
4√n 67.04970974785
5√n 28.914622171655

Divisors of 20210991

1, 3, 37, 41, 111, 123, 1517, 4441, 4551, 13323, 164317, 182081, 492951, 546243, 6736997, 20210991

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20210990
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20210991 can be divided by 16 positive divisors. The sum of these divisors (counting 20210991) is 1, the average is 0.0625.

Base conversion 20210991

Base System Value
2 Binary 1001101000110010100101111
3 Ternary 1102000211021020
4 Quaternary 1031012110233
5 Quinary 20133222431
6 Senary 2001105223
8 Octal 115062457
10 Decimal 20210991
12 Duodecimal 6928213
16 Hexadecimal 134652f
20 Vigesimal 66679b
36 Base36 c16wf

Cryptographic Hash Functions

md5 43b54a3ffd597b2aab755901b58866e7
sha1 a61b556002b9ee30ef808df99abeb7f1b043a01a
sha256 c44e36b933e6ae80febc59ac36b7a6e2832be5e408af1b9fd66f4d4ec56581d2
sha512 18c0d4c1aa314d940e00c34af47f4072eb3b3b6e47d2eb4dca3d3da9a7aa6eed927d10444c75d2151aaa58b721af895033f2fcd0c95b2fc2df79a11dac35a5c0
ripemd-160 d9fce98715442624e37c2964144d2864cbd9b61d

20210991 as geometric shapes

Circle

Radius = n
Diameter 40421982
Circumference 126989401.69474
Area 1.2832908273739E+15

Sphere

Radius = n
Volume 3.4582105816581E+22
Surface area 5.1331633094955E+15
Circumference 126989401.69474

Square

Length = n
Perimeter 80843964
Area 408484157202081
Diagonal 28582657.581201

Cube

Length = n
Surface area 2450904943212486
Volume 8.2558696248538E+21
Space diagonal 35006463.283317

Equilateral Triangle

Length = n
Perimeter 60632973
Area 1.7687882859024E+14
Altitude 17503231.641659

Triangular Pyramid

Length = n
Surface area 1.7687882859024E+14
Volume 9.7296356605437E+20
Height 9527552.5270669