20121946 (number)

20121946 is an even 8-digits composite number following 20121945 and preceding 20121947. In scientific notation, it is written as 2.0121946 × 10^7. The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors. There are 9260784 positive integers (up to 20121946) that are relatively prime to 20121946.

Interesting facts

Basic properties

Name

Name twenty million one hundred twenty-one thousand nine hundred forty-six

Notation

Scientific notation 2.0121946 × 10^7
Engineering notation 2.0121946 × 10^6

Prime Factorization of 20121946

Prime Factorization 2 × 13 × 443 × 1747

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20121946
Product of the distinct prime numbers

The prime factorization of 20121946 is 2 × 13 × 443 × 1747. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 5, 8, 87, 234, 791, 6938, 7115, 20374, 51385, 583314, 6636, 9697226, 2003137, 2623802, 41135610, 561359285, 335943461, 8020476183, 9249678303

Basic calculations (n = 20121946)

Multiplication

n×y
n×2 40243892
n×3 60365838
n×4 80487784
n×5 100609730

Division

n÷y
n÷2 10060973
n÷3 6707315.3333333
n÷3 5030486.5
n÷5 4024389.2

Exponentiation

ny
n2 404892710826916
n3 8.1472292630528E+21
n4 1.6393810728077E+29
n5 3.2987537420458E+36

Nth Root

y√n
2√n 4485.7492127849
3√n 271.99233145912
4√n 66.975736000322
5√n 28.889098910743

Divisors of 20121946

1, 2, 13, 26, 443, 886, 1747, 3494, 5759, 11518, 22711, 45422, 773921, 1547842, 10060973, 20121946

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 -20121945
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 20121946 can be divided by 16 positive divisors. The sum of these divisors (counting 20121946) is 1, the average is 0.0625.

Base conversion 20121946

Base System Value
2 Binary 1001100110000100101011010
3 Ternary 1101212022010021
4 Quaternary 1030300211122
5 Quinary 20122400241
6 Senary 1555141054
8 Octal 114604532
10 Decimal 20121946
12 Duodecimal 68a478a
16 Hexadecimal 133095a
20 Vigesimal 65f4h6
36 Base36 bza6y

Cryptographic Hash Functions

md5 038a803b72724832245529b53bdb217f
sha1 e7d0ae2b270c68bbfc0c59d6921b541c9187481c
sha256 e1b3c711f3b2906fc2e7cf885863031b3c86fd9cc945c8a9fd076b6f08972828
sha512 9f066e3bca75717bff5e0092bf98a595c2f14f0e5d94f0e244382f7c8ef037a1934d1de635e4d47c1d7ba41515a5a26942e4c7bf65bc73f4470202e07ee18907
ripemd-160 5c8dbacbcea5a15d67f3cdf4cea236257a8aa6c2

20121946 as geometric shapes

Circle

Radius = n
Diameter 40243892
Circumference 126429915.45906
Area 1.2720079658259E+15

Sphere

Radius = n
Volume 3.4127034133225E+22
Surface area 5.0880318633036E+15
Circumference 126429915.45906

Square

Length = n
Perimeter 80487784
Area 404892710826916
Diagonal 28456728.934539

Cube

Length = n
Surface area 2429356264961496
Volume 8.1472292630528E+21
Space diagonal 34852232.819157

Equilateral Triangle

Length = n
Perimeter 60365838
Area 1.7532368669163E+14
Altitude 17426116.409579

Triangular Pyramid

Length = n
Surface area 1.7532368669163E+14
Volume 9.6016017663102E+20
Height 9485576.311513