20120861 (number)

20120861 is an odd 8-digits composite number following 20120860 and preceding 20120862. In scientific notation, it is written as 2.0120861 × 10^7. The sum of its digits is 20. It has a total of 2 prime factors and 4 positive divisors. There are 19652892 positive integers (up to 20120861) that are relatively prime to 20120861.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty thousand eight hundred sixty-one

Notation

Scientific notation 2.0120861 × 10^7
Engineering notation 2.0120861 × 10^6

Prime Factorization of 20120861

Prime Factorization 43 × 467927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20120861
Product of the distinct prime numbers

The prime factorization of 20120861 is 43 × 467927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20120861)

Multiplication

n×y
n×2 40241722
n×3 60362583
n×4 80483444
n×5 100604305

Division

n÷y
n÷2 10060430.5
n÷3 6706953.6666667
n÷3 5030215.25
n÷5 4024172.2

Exponentiation

ny
n2 404849047381321
n3 8.145911408342E+21
n4 1.6390275116556E+29
n5 3.2978644737199E+36

Nth Root

y√n
2√n 4485.6282726057
3√n 271.98744265125
4√n 66.974833128614
5√n 28.888787356896

Divisors of 20120861

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20120860
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20120861 can be divided by 4 positive divisors. The sum of these divisors (counting 20120861) is 1, the average is 0.25.

Base conversion 20120861

Base System Value
2 Binary 1001100110000010100011101
3 Ternary 1101212020122002
4 Quaternary 1030300110131
5 Quinary 20122331421
6 Senary 1555132045
8 Octal 114602435
10 Decimal 20120861
12 Duodecimal 68a4025
16 Hexadecimal 133051d
20 Vigesimal 65f231
36 Base36 bz9ct

Cryptographic Hash Functions

md5 7ce1e13f58b54799cb02039a40d6ed8d
sha1 126c2289124fbabf9dbc7f71f37c1665173d71cd
sha256 e326103c38ad4532efc29bb712f7a7728c45f7a07b7b8d7e13dd10ca98550fa9
sha512 ef3e714b28f8bbf5cb0876af18f3f07d0131b86d50cc6b14c821f7edce3981380e9492f692ae0e0d97ae8f650557c324bae596400acefaa41583512d8766b826
ripemd-160 b57ffc1441c85cc6a0d52f650f1463c8c6e15f31

20120861 as geometric shapes

Circle

Radius = n
Diameter 40241722
Circumference 126423098.203
Area 1.271870793066E+15

Sphere

Radius = n
Volume 3.4121513916321E+22
Surface area 5.0874831722639E+15
Circumference 126423098.203

Square

Length = n
Perimeter 80483444
Area 404849047381321
Diagonal 28455194.512824

Cube

Length = n
Surface area 2429094284287926
Volume 8.145911408342E+21
Space diagonal 34850353.544031

Equilateral Triangle

Length = n
Perimeter 60362583
Area 1.7530477986508E+14
Altitude 17425176.772016

Triangular Pyramid

Length = n
Surface area 1.7530477986508E+14
Volume 9.6000486596391E+20
Height 9485064.837608