20045981 (number)

20045981 is an odd 8-digits prime number following 20045980 and preceding 20045982. In scientific notation, it is written as 2.0045981 × 10^7. The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors. There are 20045980 positive integers (up to 20045981) that are relatively prime to 20045981.

Interesting facts

Basic properties

Name

Name twenty million forty-five thousand nine hundred eighty-one

Notation

Scientific notation 2.0045981 × 10^7
Engineering notation 2.0045981 × 10^6

Prime Factorization of 20045981

Prime Factorization 20045981

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 20045981
Product of the distinct prime numbers

The prime factorization of 20045981 is 20045981. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 9, 16, 38, 426, 86, 1408, 2345, 64210, 37940, 617605, 294787, 595869, 5218903, 47635388, 52428296, 358220726, 72956106, 6664288149, 8809033474

Basic calculations (n = 20045981)

Multiplication

n×y
n×2 40091962
n×3 60137943
n×4 80183924
n×5 100229905

Division

n÷y
n÷2 10022990.5
n÷3 6681993.6666667
n÷3 5011495.25
n÷5 4009196.2

Exponentiation

ny
n2 401841354252361
n3 8.0553041523571E+21
n4 1.6147647398737E+29
n5 3.2369543294978E+36

Nth Root

y√n
2√n 4477.2738357174
3√n 271.64962184118
4√n 66.91243408902
5√n 28.867253290896

Divisors of 20045981

1, 20045981

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 20045982
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10022991
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4477.2739473925
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999002294
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20045981 can be divided by 2 positive divisors. The sum of these divisors (counting 20045981) is 20045982, the average is 10022991.

Base conversion 20045981

Base System Value
2 Binary 1001100011110000010011101
3 Ternary 1101201102220202
4 Quaternary 1030132002131
5 Quinary 20112432411
6 Senary 1553353245
8 Octal 114360235
10 Decimal 20045981
12 Duodecimal 6868825
16 Hexadecimal 131e09d
20 Vigesimal 655ej1
36 Base36 bxnkt

Cryptographic Hash Functions

md5 8776fee915a4bae93fdb9c61827235b2
sha1 c01a5b418cfda71573c4253b107404c879e6eb92
sha256 0e68bd0fc27777034300ec5062e02a089de08582d28bc1b374fc672d60ee08c3
sha512 114e70c90da0c1c84b763f0ad1fa46304c7b318f72ed15dbb9fd46eb52be6118389a52002fb4c1100ec47a8b5d19fe161427b57103eadfca20b22bc01b4c750b
ripemd-160 cf416e8b197ef76f34c7accff0d273a154615768

20045981 as geometric shapes

Circle

Radius = n
Diameter 40091962
Circumference 125952613.2872
Area 1.2624218464278E+15

Sphere

Radius = n
Volume 3.3741979129969E+22
Surface area 5.0496873857112E+15
Circumference 125952613.2872

Square

Length = n
Perimeter 80183924
Area 401841354252361
Diagonal 28349298.201273

Cube

Length = n
Surface area 2411048125514166
Volume 8.0553041523571E+21
Space diagonal 34720657.57956

Equilateral Triangle

Length = n
Perimeter 60137943
Area 1.7400241053684E+14
Altitude 17360328.78978

Triangular Pyramid

Length = n
Surface area 1.7400241053684E+14
Volume 9.4932669844198E+20
Height 9449766.0670911