1981013 (number)

1981013 is an odd 7-digits composite number following 1981012 and preceding 1981014. In scientific notation, it is written as 1.981013 × 10^6. The sum of its digits is 23. It has a total of 2 prime factors and 4 positive divisors. There are 1894860 positive integers (up to 1981013) that are relatively prime to 1981013.

Interesting facts

Basic properties

Name

Name one million nine hundred eighty-one thousand thirteen

Notation

Scientific notation 1.981013 × 10^6
Engineering notation 1.981013 × 10^6

Prime Factorization of 1981013

Prime Factorization 23 × 86131

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1981013
Product of the distinct prime numbers

The prime factorization of 1981013 is 23 × 86131. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 1981013)

Multiplication

n×y
n×2 3962026
n×3 5943039
n×4 7924052
n×5 9905065

Division

n÷y
n÷2 990506.5
n÷3 660337.66666667
n÷3 495253.25
n÷5 396202.6

Exponentiation

ny
n2 3924412506169
n3 7774312192083369197
n4 1.5401013518576E+25
n5 3.0509607993474E+31

Nth Root

y√n
2√n 1407.4846357954
3√n 125.59213458393
4√n 37.516458198974
5√n 18.17094296011

Divisors of 1981013

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 -1981012
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 1981013 can be divided by 4 positive divisors. The sum of these divisors (counting 1981013) is 1, the average is 0.25.

Base conversion 1981013

Base System Value
2 Binary 111100011101001010101
3 Ternary 10201122102212
4 Quaternary 13203221111
5 Quinary 1001343023
6 Senary 110243205
8 Octal 7435125
10 Decimal 1981013
12 Duodecimal 7b6505
16 Hexadecimal 1e3a55
20 Vigesimal c7cad
36 Base36 16gk5

Cryptographic Hash Functions

md5 ffacba190715c667e6e3fde76b1b548c
sha1 4d93e4bc3d9ad3c327ed588bc472acbfdb991645
sha256 2667a97d885459b73e843f39b9ab15c07b1ce7e93c8e1ff0c6502e00fe54f6d2
sha512 609b16f6500cef32eb0822ad30739f4bd0d8ae961901cdae9a935a1dc6f25c185af34b57ea1b464be583cf3de9f493e9ce03c71021c70096f80eae6560f5aeec
ripemd-160 a89415e33d47b64bb958fa794e0fe3ee759a8813

1981013 as geometric shapes

Circle

Radius = n
Diameter 3962026
Circumference 12447071.774932
Area 12328905499036

Sphere

Radius = n
Volume 3.256496275915E+19
Surface area 49315621996146
Circumference 12447071.774932

Square

Length = n
Perimeter 7924052
Area 3924412506169
Diagonal 2801575.4518374

Cube

Length = n
Surface area 23546475037014
Volume 7774312192083369197
Space diagonal 3431215.1664544

Equilateral Triangle

Length = n
Perimeter 5943039
Area 1699320462635.9
Altitude 1715607.5832272

Triangular Pyramid

Length = n
Surface area 1699320462635.9
Volume 9.1621147834723E+17
Height 933858.4839458