20121258 (number)

20121258 is an even 8-digits composite number following 20121257 and preceding 20121259. In scientific notation, it is written as 2.0121258 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 6547520 positive integers (up to 20121258) that are relatively prime to 20121258.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand two hundred fifty-eight

Notation

Scientific notation 2.0121258 × 10^7
Engineering notation 2.0121258 × 10^6

Prime Factorization of 20121258

Prime Factorization 2 × 3 × 22507 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121258
Product of the distinct prime numbers

The prime factorization of 20121258 is 2 × 3 × 22507 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20121258)

Multiplication

n×y
n×2 40242516
n×3 60363774
n×4 80485032
n×5 100606290

Division

n÷y
n÷2 10060629
n÷3 6707086
n÷3 5030314.5
n÷5 4024251.6

Exponentiation

ny
n2 404865023502564
n3 8.1463935930712E+21
n4 1.6391568725573E+29
n5 3.2981898335199E+36

Nth Root

y√n
2√n 4485.6725248284
3√n 271.98923147968
4√n 66.97516349236
5√n 28.888901355577

Divisors of 20121258

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20121257
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20121258 can be divided by 16 positive divisors. The sum of these divisors (counting 20121258) is 1, the average is 0.0625.

Base conversion 20121258

Base System Value
2 Binary 1001100110000011010101010
3 Ternary 1101212021011210
4 Quaternary 1030300122222
5 Quinary 20122340013
6 Senary 1555133550
8 Octal 114603252
10 Decimal 20121258
12 Duodecimal 68a42b6
16 Hexadecimal 13306aa
20 Vigesimal 65f32i
36 Base36 bz9nu

Cryptographic Hash Functions

md5 1d9b02364c0908059d9a158d3636ed23
sha1 24e15843ba26a08514142ef02bc5b8f379730b80
sha256 11aef8d16b6d2037983cd5f38db547f82d6a492d5f57a3218bccc2abb2538963
sha512 ac62065260b32716d0c8255c134bca0003416bcb82471f167075adaec6b24f5bdadc8b56e3d76e949f9afe7494ed76169db7f98a6778ea70c12ba7fa954631e9
ripemd-160 659fdee08fde9d09a6aff12ed100126e94ff23a5

20121258 as geometric shapes

Circle

Radius = n
Diameter 40242516
Circumference 126425592.62757
Area 1.2719209835311E+15

Sphere

Radius = n
Volume 3.4123533686991E+22
Surface area 5.0876839341245E+15
Circumference 126425592.62757

Square

Length = n
Perimeter 80485032
Area 404865023502564
Diagonal 28455755.955608

Cube

Length = n
Surface area 2429190141015384
Volume 8.1463935930712E+21
Space diagonal 34851041.168202

Equilateral Triangle

Length = n
Perimeter 60363774
Area 1.753116977285E+14
Altitude 17425520.584101

Triangular Pyramid

Length = n
Surface area 1.753116977285E+14
Volume 9.6006169197921E+20
Height 9485251.9852027