20091978 (number)

20091978 is an even 8-digits composite number following 20091977 and preceding 20091979. In scientific notation, it is written as 2.0091978 × 10^7. The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors. There are 6583464 positive integers (up to 20091978) that are relatively prime to 20091978.

Interesting facts

Basic properties

Name

Name twenty million ninety-one thousand nine hundred seventy-eight

Notation

Scientific notation 2.0091978 × 10^7
Engineering notation 2.0091978 × 10^6

Prime Factorization of 20091978

Prime Factorization 2 × 9 × 59 × 18919

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 20091978
Product of the distinct prime numbers

The prime factorization of 20091978 is 2 × 9 × 59 × 18919. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 4, 19, 2, 986, 56, 8736, 9984, 44805, 16194, 997645, 726925, 5917706, 7685536, 49948581, 47379314, 760663986, 406363155, 9558602936, 5130192563

Basic calculations (n = 20091978)

Multiplication

n×y
n×2 40183956
n×3 60275934
n×4 80367912
n×5 100459890

Division

n÷y
n÷2 10045989
n÷3 6697326
n÷3 5022994.5
n÷5 4018395.6

Exponentiation

ny
n2 403687579952484
n3 8.1108819752785E+21
n4 1.6296366220789E+29
n5 3.2742623158804E+36

Nth Root

y√n
2√n 4482.4076119871
3√n 271.85723657228
4√n 66.950784999036
5√n 28.880488762123

Divisors of 20091978

1, 2, 9, 18, 59, 118, 531, 1062, 18919, 37838, 170271, 340542, 1116221, 2232442, 10045989, 20091978

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 -20091977
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 20091978 can be divided by 16 positive divisors. The sum of these divisors (counting 20091978) is 1, the average is 0.0625.

Base conversion 20091978

Base System Value
2 Binary 1001100101001010001001010
3 Ternary 1101210210000100
4 Quaternary 1030221101022
5 Quinary 20120420403
6 Senary 1554350230
8 Octal 114512112
10 Decimal 20091978
12 Duodecimal 688b376
16 Hexadecimal 132944a
20 Vigesimal 65b9ii
36 Base36 byn2i

Cryptographic Hash Functions

md5 120dfe88aa17e74606d9104a5b77a702
sha1 6ead80ff6aefb02bbde4714608405d275aa8683f
sha256 07740c7909500294cfd8e7da319002fd5846c666a1e37916ad07580b3906d48e
sha512 70360eac8f30992c56b18b805407850553d04a77a521d402072cbc9799955b15d306f2d30eca5a45e611df62cbd540ea286e38fc1111dd9811287b394aa3b273
ripemd-160 33083a8e4108abec05e6db71b4a34d4d2b68df0b

20091978 as geometric shapes

Circle

Radius = n
Diameter 40183956
Circumference 126241620.96178
Area 1.2682219355242E+15

Sphere

Radius = n
Volume 3.3974782970225E+22
Surface area 5.0728877420967E+15
Circumference 126241620.96178

Square

Length = n
Perimeter 80367912
Area 403687579952484
Diagonal 28414347.782502

Cube

Length = n
Surface area 2422125479714904
Volume 8.1108819752785E+21
Space diagonal 34800326.720556

Equilateral Triangle

Length = n
Perimeter 60275934
Area 1.7480184971556E+14
Altitude 17400163.360278

Triangular Pyramid

Length = n
Surface area 1.7480184971556E+14
Volume 9.558766076872E+20
Height 9471449.260834