20157521 (number)

20157521 is an odd 8-digits composite number following 20157520 and preceding 20157522. In scientific notation, it is written as 2.0157521 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 19837312 positive integers (up to 20157521) that are relatively prime to 20157521.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0157521 × 10^7
Engineering notation 2.0157521 × 10^6

Prime Factorization of 20157521

Prime Factorization 89 × 293 × 773

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20157521
Product of the distinct prime numbers

The prime factorization of 20157521 is 89 × 293 × 773. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20157521)

Multiplication

n×y
n×2 40315042
n×3 60472563
n×4 80630084
n×5 100787605

Division

n÷y
n÷2 10078760.5
n÷3 6719173.6666667
n÷3 5039380.25
n÷5 4031504.2

Exponentiation

ny
n2 406325652865441
n3 8.1905178804738E+21
n4 1.6510053617653E+29
n5 3.3280175250896E+36

Nth Root

y√n
2√n 4489.7127970506
3√n 272.15252852982
4√n 67.005319169829
5√n 28.8993067074

Divisors of 20157521

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 -20157520
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 20157521 can be divided by 8 positive divisors. The sum of these divisors (counting 20157521) is 1, the average is 0.125.

Base conversion 20157521

Base System Value
2 Binary 1001100111001010001010001
3 Ternary 1101221002220212
4 Quaternary 1030321101101
5 Quinary 20130020041
6 Senary 2000013505
8 Octal 114712121
10 Decimal 20157521
12 Duodecimal 6901295
16 Hexadecimal 1339451
20 Vigesimal 65jdg1
36 Base36 c01n5

Cryptographic Hash Functions

md5 5658567c8d59f1a9a6f864ee82e15576
sha1 348949a33b356e094bf92c71ac8b8985c55800fa
sha256 e4e2ed921434d6bce3f2b5368a179bd7a66338fc1f974a76bd11f242a281c911
sha512 42609342f4efbcc5d880948c7d3c6486bd16ea84d367e93241700bdf06b09bee58ad699b052f54e2d038905b8d0de8eec72e4d620e0ad97255d41ede649ff1cd
ripemd-160 da5c0f06237c3535b13d97fe465925d21e6ccf5b

20157521 as geometric shapes

Circle

Radius = n
Diameter 40315042
Circumference 126653439.77636
Area 1.2765096860071E+15

Sphere

Radius = n
Volume 3.4308361069857E+22
Surface area 5.1060387440286E+15
Circumference 126653439.77636

Square

Length = n
Perimeter 80630084
Area 406325652865441
Diagonal 28507039.58202

Cube

Length = n
Surface area 2437953917192646
Volume 8.1905178804738E+21
Space diagonal 34913850.526637

Equilateral Triangle

Length = n
Perimeter 60472563
Area 1.7594416879538E+14
Altitude 17456925.263318

Triangular Pyramid

Length = n
Surface area 1.7594416879538E+14
Volume 9.6526178911879E+20
Height 9502346.5273402