20145421 (number)

20145421 is an odd 8-digits prime number following 20145420 and preceding 20145422. In scientific notation, it is written as 2.0145421 × 10^7. The sum of its digits is 19. It has a total of 1 prime factors and 2 positive divisors. There are 20145420 positive integers (up to 20145421) that are relatively prime to 20145421.

Interesting facts

Basic properties

Name

Name twenty million one hundred forty-five thousand four hundred twenty-one

Notation

Scientific notation 2.0145421 × 10^7
Engineering notation 2.0145421 × 10^6

Prime Factorization of 20145421

Prime Factorization 20145421

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20145421
Product of the distinct prime numbers

The prime factorization of 20145421 is 20145421. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20145421)

Multiplication

n×y
n×2 40290842
n×3 60436263
n×4 80581684
n×5 100727105

Division

n÷y
n÷2 10072710.5
n÷3 6715140.3333333
n÷3 5036355.25
n÷5 4029084.2

Exponentiation

ny
n2 405837987267241
n3 8.1757771112912E+21
n4 1.6470447190913E+29
n5 3.318040927192E+36

Nth Root

y√n
2√n 4488.3650698222
3√n 272.09806242884
4√n 66.995261547532
5√n 28.895836383812

Divisors of 20145421

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20145422
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10072711
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4488.3651812213
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999007219
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20145421 can be divided by 2 positive divisors. The sum of these divisors (counting 20145421) is 20145422, the average is 10072711.

Base conversion 20145421

Base System Value
2 Binary 1001100110110010100001101
3 Ternary 1101220111022201
4 Quaternary 1030312110031
5 Quinary 20124123141
6 Senary 1555441501
8 Octal 114662415
10 Decimal 20145421
12 Duodecimal 68b6291
16 Hexadecimal 133650d
20 Vigesimal 65i3b1
36 Base36 bzsb1

Cryptographic Hash Functions

md5 a40ad0b68df87c6b8de8b9237399441b
sha1 b6c7fab6c239f6b5c3083b69e4eeeee7ca3f59f4
sha256 9bf3fc152a037b182b0ad4eaab085f876fc8b713a30e318c28059347bd3f0f18
sha512 cd7a5d5abb8c9742d0e4182bdb95faf8bf09ebe1a3541568cd8a8678f4ca0ca231f264654c87011b95af2651396b95ed2aeb0e934b6c3eef1f742a40e4b05204
ripemd-160 5b6c4d8e3d124ad0ac86a7193c07c33964dfd47d

20145421 as geometric shapes

Circle

Radius = n
Diameter 40290842
Circumference 126577413.23415
Area 1.2749776393464E+15

Sphere

Radius = n
Volume 3.4246615080293E+22
Surface area 5.0999105573857E+15
Circumference 126577413.23415

Square

Length = n
Perimeter 80581684
Area 405837987267241
Diagonal 28489927.597916

Cube

Length = n
Surface area 2435027923603446
Volume 8.1757771112912E+21
Space diagonal 34892892.711865

Equilateral Triangle

Length = n
Perimeter 60436263
Area 1.7573300339709E+14
Altitude 17446446.355933

Triangular Pyramid

Length = n
Surface area 1.7573300339709E+14
Volume 9.6352457281063E+20
Height 9496642.5326386