20121521 (number)

20121521 is an odd 8-digits composite number following 20121520 and preceding 20121522. In scientific notation, it is written as 2.0121521 × 10^7. The sum of its digits is 14. It has a total of 3 prime factors and 8 positive divisors. There are 16963920 positive integers (up to 20121521) that are relatively prime to 20121521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121521 × 10^7
Engineering notation 2.0121521 × 10^6

Prime Factorization of 20121521

Prime Factorization 7 × 61 × 47123

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121521
Product of the distinct prime numbers

The prime factorization of 20121521 is 7 × 61 × 47123. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121521)

Multiplication

n×y
n×2 40243042
n×3 60364563
n×4 80486084
n×5 100607605

Division

n÷y
n÷2 10060760.5
n÷3 6707173.6666667
n÷3 5030380.25
n÷5 4024304.2

Exponentiation

ny
n2 404875607353441
n3 8.14671303575E+21
n4 1.6392425742982E+29
n5 3.2984053882835E+36

Nth Root

y√n
2√n 4485.7018402921
3√n 271.99041650923
4√n 66.975382345248
5√n 28.888976875123

Divisors of 20121521

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121520
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121521 can be divided by 8 positive divisors. The sum of these divisors (counting 20121521) is 1, the average is 0.125.

Base conversion 20121521

Base System Value
2 Binary 1001100110000011110110001
3 Ternary 1101212021112112
4 Quaternary 1030300132301
5 Quinary 20122342041
6 Senary 1555135105
8 Octal 114603661
10 Decimal 20121521
12 Duodecimal 68a4495
16 Hexadecimal 13307b1
20 Vigesimal 65f3g1
36 Base36 bz9v5

Cryptographic Hash Functions

md5 594a78547225a876e75c2eff45eb5c53
sha1 2787863fe6ed58fb676c25b6d0fae2411628ec95
sha256 b6411a77ec430d547bfb15ee7b630adba3f9070814147f81fa7f2fd9c1573388
sha512 ca828087d16233cbd6cc02bc265524755e1e0df9e93f250da6db79290e905877a2bc271603cffbb6e3199d346dfc3c0ae4978372879f5588443005ec0a5020e7
ripemd-160 72cf9af0ded4c9371684d2a2bdb1fa32636d5001

20121521 as geometric shapes

Circle

Radius = n
Diameter 40243042
Circumference 126427245.10531
Area 1.2719542336793E+15

Sphere

Radius = n
Volume 3.4124871765355E+22
Surface area 5.0878169347171E+15
Circumference 126427245.10531

Square

Length = n
Perimeter 80486084
Area 404875607353441
Diagonal 28456127.893775

Cube

Length = n
Surface area 2429253644120646
Volume 8.14671303575E+21
Space diagonal 34851496.697564

Equilateral Triangle

Length = n
Perimeter 60364563
Area 1.7531628067037E+14
Altitude 17425748.348782

Triangular Pyramid

Length = n
Surface area 1.7531628067037E+14
Volume 9.6009933865995E+20
Height 9485375.9645917