21420121 (number)

21420121 is an odd 8-digits prime number following 21420120 and preceding 21420122. In scientific notation, it is written as 2.1420121 × 10^7. The sum of its digits is 13. It has a total of 1 prime factors and 2 positive divisors. There are 21420120 positive integers (up to 21420121) that are relatively prime to 21420121.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1420121 × 10^7
Engineering notation 2.1420121 × 10^6

Prime Factorization of 21420121

Prime Factorization 21420121

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21420121
Product of the distinct prime numbers

The prime factorization of 21420121 is 21420121. Since it has a total of 1 prime factors.

Most popular turbo-numbers

6, 6, 19, 81, 146, 265, 239, 7009, 37469, 35789, 372260, 565488, 1567456, 5688229, 64488473, 26164709, 108602728, 940183752, 6084887384, 5454493919

Basic calculations (n = 21420121)

Multiplication

n×y
n×2 42840242
n×3 64260363
n×4 85680484
n×5 107100605

Division

n÷y
n÷2 10710060.5
n÷3 7140040.3333333
n÷3 5355030.25
n÷5 4284024.2

Exponentiation

ny
n2 458821583654641
n3 9.828013839294E+21
n4 2.1051724562735E+29
n5 4.5093048739246E+36

Nth Root

y√n
2√n 4628.1876582524
3√n 277.72009592811
4√n 68.03078463646
5√n 29.252594025522

Divisors of 21420121

1, 21420121

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21420122
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10710061
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4628.1877662861
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999066299
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21420121 can be divided by 2 positive divisors. The sum of these divisors (counting 21420121) is 21420122, the average is 10710061.

Base conversion 21420121

Base System Value
2 Binary 1010001101101100001011001
3 Ternary 1111022020212211
4 Quaternary 1101231201121
5 Quinary 20440420441
6 Senary 2043035121
8 Octal 121554131
10 Decimal 21420121
12 Duodecimal 720baa1
16 Hexadecimal 146d859
20 Vigesimal 6dha61
36 Base36 cr3vd

Cryptographic Hash Functions

md5 37d52ea4e61cc88c1f9bd2f1b83caa82
sha1 e44f6d31f1e714c5619d38f832f197778af45656
sha256 1b99ca37c5104831a0d4982d534356f630d390c896c83aaa6cac83f8535a9061
sha512 e231a8c2d21a7b9cdf80000ddc9c9e692016cb4ac5e5ce350e01ce77ce0b84ae94a11c47465fc6fbfee3b96f83bd42681fd1a954e83b9ac4172ae760fdf22b0a
ripemd-160 86ed5d17ef34c3f158f4b361acc0e3507f371679

21420121 as geometric shapes

Circle

Radius = n
Diameter 42840242
Circumference 134586589.54521
Area 1.4414305165179E+15

Sphere

Radius = n
Volume 4.116748810254E+22
Surface area 5.7657220660714E+15
Circumference 134586589.54521

Square

Length = n
Perimeter 85680484
Area 458821583654641
Diagonal 30292625.625873

Cube

Length = n
Surface area 2752929501927846
Volume 9.828013839294E+21
Space diagonal 37100737.876273

Equilateral Triangle

Length = n
Perimeter 64260363
Area 1.9867557362476E+14
Altitude 18550368.938137

Triangular Pyramid

Length = n
Surface area 1.9867557362476E+14
Volume 1.15824253856E+21
Height 10097541.875291