20451591 (number)

20451591 is an odd 8-digits composite number following 20451590 and preceding 20451592. In scientific notation, it is written as 2.0451591 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors. There are 13320000 positive integers (up to 20451591) that are relatively prime to 20451591.

Interesting facts

Basic properties

Name

Name twenty million four hundred fifty-one thousand five hundred ninety-one

Notation

Scientific notation 2.0451591 × 10^7
Engineering notation 2.0451591 × 10^6

Prime Factorization of 20451591

Prime Factorization 9 × 151 × 149 × 101

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20451591
Product of the distinct prime numbers

The prime factorization of 20451591 is 9 × 151 × 149 × 101. Since it has a total of 4 prime factors.

Most popular turbo-numbers

9, 2, 82, 73, 585, 127, 2208, 5550, 99420, 25997, 576556, 739183, 9159893, 2678161, 39730841, 71150682, 428861523, 81394079, 6037344, 8026366078

Basic calculations (n = 20451591)

Multiplication

n×y
n×2 40903182
n×3 61354773
n×4 81806364
n×5 102257955

Division

n÷y
n÷2 10225795.5
n÷3 6817197
n÷3 5112897.75
n÷5 4090318.2

Exponentiation

ny
n2 418267574431281
n3 8.5542373608306E+21
n4 1.7494776382063E+29
n5 3.5779601120241E+36

Nth Root

y√n
2√n 4522.3435296315
3√n 273.46958587944
4√n 67.248371947814
5√n 28.983139008137

Divisors of 20451591

1, 9, 101, 149, 151, 909, 1341, 1359, 15049, 15251, 22499, 135441, 137259, 202491, 2272399, 20451591

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 -20451590
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 20451591 can be divided by 16 positive divisors. The sum of these divisors (counting 20451591) is 1, the average is 0.0625.

Base conversion 20451591

Base System Value
2 Binary 1001110000001000100000111
3 Ternary 1102111001022100
4 Quaternary 1032001010013
5 Quinary 20213422331
6 Senary 2010203143
8 Octal 116010407
10 Decimal 20451591
12 Duodecimal 6a234b3
16 Hexadecimal 1381107
20 Vigesimal 67g8jb
36 Base36 c6cjr

Cryptographic Hash Functions

md5 191e59105a1a5b460299ee72fbded057
sha1 77cee693944d70b19b3951935543b0d90243ded5
sha256 e9a2b179160778f9b16e3a8b29c3e32edbc2798c80004e3fff1b8b01fa364e9d
sha512 4485996429a60309efd3d49b1c82656c3703b4c03142ed5a755bc3a9ac1cf2f60029c38e51d2ef6238032cf4e3f631f5c184635a4b4bc0882eded2253d971382
ripemd-160 11beb04df499e565703d3928e44fad6803604879

20451591 as geometric shapes

Circle

Radius = n
Diameter 40903182
Circumference 128501136.07965
Area 1.3140263390681E+15

Sphere

Radius = n
Volume 3.5831905666465E+22
Surface area 5.2561053562725E+15
Circumference 128501136.07965

Square

Length = n
Perimeter 81806364
Area 418267574431281
Diagonal 28922917.364308

Cube

Length = n
Surface area 2509605446587686
Volume 8.5542373608306E+21
Space diagonal 35423194.707618

Equilateral Triangle

Length = n
Perimeter 61354773
Area 1.8111517251839E+14
Altitude 17711597.353809

Triangular Pyramid

Length = n
Surface area 1.8111517251839E+14
Volume 1.0081265409538E+21
Height 9640972.4547692