20121557 (number)

20121557 is an odd 8-digits composite number following 20121556 and preceding 20121558. In scientific notation, it is written as 2.0121557 × 10^7. The sum of its digits is 23. It has a total of 3 prime factors and 8 positive divisors. There are 18865152 positive integers (up to 20121557) that are relatively prime to 20121557.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.0121557 × 10^7
Engineering notation 2.0121557 × 10^6

Prime Factorization of 20121557

Prime Factorization 17 × 277 × 4273

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20121557
Product of the distinct prime numbers

The prime factorization of 20121557 is 17 × 277 × 4273. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121557)

Multiplication

n×y
n×2 40243114
n×3 60364671
n×4 80486228
n×5 100607785

Division

n÷y
n÷2 10060778.5
n÷3 6707185.6666667
n÷3 5030389.25
n÷5 4024311.4

Exponentiation

ny
n2 404877056104249
n3 8.1467567623938E+21
n4 1.6392543055964E+29
n5 3.2984348947554E+36

Nth Root

y√n
2√n 4485.7058530403
3√n 271.9905787178
4√n 66.97541230213
5√n 28.888987212338

Divisors of 20121557

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 -20121556
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 20121557 can be divided by 8 positive divisors. The sum of these divisors (counting 20121557) is 1, the average is 0.125.

Base conversion 20121557

Base System Value
2 Binary 1001100110000011111010101
3 Ternary 1101212021120212
4 Quaternary 1030300133111
5 Quinary 20122342212
6 Senary 1555135205
8 Octal 114603725
10 Decimal 20121557
12 Duodecimal 68a4505
16 Hexadecimal 13307d5
20 Vigesimal 65f3hh
36 Base36 bz9w5

Cryptographic Hash Functions

md5 c4ee95edd9e8f5c5adf7a972e6650736
sha1 b82422223404daf026ffc9ba4b9e4956e92c5d4f
sha256 24ef3044e1081c6e9b6896edd5e0f75575928e8110ee225c7a480abb9c5d9a2d
sha512 b8c43ab74c5b25f6fa2143b4007e94d7acc30cc50a24061c921288ce88ae78927edbf1ec450beae5f1f83e73c1a3a5a39068bb216181337bac64ea27a7baf9c8
ripemd-160 52f0f320d289d083c8bf121af7ad912360fb6883

20121557 as geometric shapes

Circle

Radius = n
Diameter 40243114
Circumference 126427471.29998
Area 1.2719587850642E+15

Sphere

Radius = n
Volume 3.4125054927093E+22
Surface area 5.0878351402567E+15
Circumference 126427471.29998

Square

Length = n
Perimeter 80486228
Area 404877056104249
Diagonal 28456178.805463

Cube

Length = n
Surface area 2429262336625494
Volume 8.1467567623938E+21
Space diagonal 34851559.051393

Equilateral Triangle

Length = n
Perimeter 60364671
Area 1.7531690799787E+14
Altitude 17425779.525697

Triangular Pyramid

Length = n
Surface area 1.7531690799787E+14
Volume 9.6010449189434E+20
Height 9485392.9351544