20100991 (number)

20100991 is an odd 8-digits prime number following 20100990 and preceding 20100992. In scientific notation, it is written as 2.0100991 × 10^7. The sum of its digits is 22. It has a total of 1 prime factors and 2 positive divisors. There are 20100990 positive integers (up to 20100991) that are relatively prime to 20100991.

Interesting facts

Basic properties

Name

Name twenty million one hundred thousand nine hundred ninety-one

Notation

Scientific notation 2.0100991 × 10^7
Engineering notation 2.0100991 × 10^6

Prime Factorization of 20100991

Prime Factorization 20100991

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20100991
Product of the distinct prime numbers

The prime factorization of 20100991 is 20100991. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20100991)

Multiplication

n×y
n×2 40201982
n×3 60302973
n×4 80403964
n×5 100504955

Division

n÷y
n÷2 10050495.5
n÷3 6700330.3333333
n÷3 5025247.75
n÷5 4020198.2

Exponentiation

ny
n2 404049839182081
n3 8.1218021809505E+21
n4 1.6325627254307E+29
n5 3.2816128650817E+36

Nth Root

y√n
2√n 4483.4128741395
3√n 271.89788103548
4√n 66.958292049152
5√n 28.883079379642

Divisors of 20100991

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20100992
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10050496
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4483.4129856617
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999005024
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20100991 can be divided by 2 positive divisors. The sum of these divisors (counting 20100991) is 20100992, the average is 10050496.

Base conversion 20100991

Base System Value
2 Binary 1001100101011011101111111
3 Ternary 1101211020101011
4 Quaternary 1030223131333
5 Quinary 20121212431
6 Senary 1554500051
8 Octal 114533577
10 Decimal 20100991
12 Duodecimal 6894627
16 Hexadecimal 132b77f
20 Vigesimal 65cc9b
36 Base36 byu0v

Cryptographic Hash Functions

md5 f1b0ec110d898a12b4d9838bd9a4ef4b
sha1 b8d8b4b38f45a95a242e1af9da50821b5f81b568
sha256 7df9841b6deb60ff55c37929594857eccd5353b049b3c7f557bb572e2c4a912b
sha512 45d12855ffdea71f0c1a7a199fba34009bf150e7f0e13031ad684aaed8452aa4e593ac4a3a1c0cc402b5e3c566e8eb14d7847bc6e201f0d3075d0647a187765d
ripemd-160 4bfa8764ef6e3a241f61d8c5a94cd8699756129b

20100991 as geometric shapes

Circle

Radius = n
Diameter 40201982
Circumference 126298251.31095
Area 1.2693600064586E+15

Sphere

Radius = n
Volume 3.4020525420778E+22
Surface area 5.0774400258343E+15
Circumference 126298251.31095

Square

Length = n
Perimeter 80403964
Area 404049839182081
Diagonal 28427094.08934

Cube

Length = n
Surface area 2424299035092486
Volume 8.1218021809505E+21
Space diagonal 34815937.694485

Equilateral Triangle

Length = n
Perimeter 60302973
Area 1.7495871256335E+14
Altitude 17407968.847242

Triangular Pyramid

Length = n
Surface area 1.7495871256335E+14
Volume 9.5716356626763E+20
Height 9475698.0297798