7923981 (number)

7923981 is an odd 7-digits composite number following 7923980 and preceding 7923982. In scientific notation, it is written as 7.923981 × 10^6. The sum of its digits is 39. It has a total of 3 prime factors and 8 positive divisors. There are 4847040 positive integers (up to 7923981) that are relatively prime to 7923981.

Interesting facts

Basic properties

Name

Name seven million nine hundred twenty-three thousand nine hundred eighty-one

Notation

Scientific notation 7.923981 × 10^6
Engineering notation 7.923981 × 10^6

Prime Factorization of 7923981

Prime Factorization 3 × 13273 × 199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 7923981
Product of the distinct prime numbers

The prime factorization of 7923981 is 3 × 13273 × 199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7923981)

Multiplication

n×y
n×2 15847962
n×3 23771943
n×4 31695924
n×5 39619905

Division

n÷y
n÷2 3961990.5
n÷3 2641327
n÷3 1980995.25
n÷5 1584796.2

Exponentiation

ny
n2 62789474888361
n3 4.9754260601535E+20
n4 3.9425181567561E+27
n5 3.124043896629E+34

Nth Root

y√n
2√n 2814.9566604124
3√n 199.36449111448
4√n 53.05616514989
5√n 23.976660015363

Divisors of 7923981

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7923980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7923981 can be divided by 8 positive divisors. The sum of these divisors (counting 7923981) is 1, the average is 0.125.

Base conversion 7923981

Base System Value
2 Binary 11110001110100100001101
3 Ternary 112220120122210
4 Quaternary 132032210031
5 Quinary 4012031411
6 Senary 441501033
8 Octal 36164415
10 Decimal 7923981
12 Duodecimal 27a1779
16 Hexadecimal 78e90d
20 Vigesimal 29a9j1
36 Base36 4pu6l

Cryptographic Hash Functions

md5 a8f22a1523f54d5f34394e62153a6a8e
sha1 e97239bd2abaac56e1cd871e4a7cdeca79c8b7d5
sha256 a824e32a972788b468af7d7a91ba7cb0a0d8fa113ad152a929d57a39b158a65f
sha512 74bb0b5791728044c0ff0996798b30ad1040f9c4d715ca6a18ec25450f1eed0f8a1dd92014b7970ef63625aa15fb8ca840ed6efbde709b8b0694a47e0c4993aa
ripemd-160 4155ac1a4eb590ff794c13c49622303f5782f0b4

7923981 as geometric shapes

Circle

Radius = n
Diameter 15847962
Circumference 49787840.99357
Area 1.9725895303204E+14

Sphere

Radius = n
Volume 2.084101594541E+21
Surface area 7.8903581212814E+14
Circumference 49787840.99357

Square

Length = n
Perimeter 31695924
Area 62789474888361
Diagonal 11206201.398187

Cube

Length = n
Surface area 376736849330166
Volume 4.9754260601535E+20
Space diagonal 13724737.69021

Equilateral Triangle

Length = n
Perimeter 23771943
Area 27188640171803
Altitude 6862368.8451052

Triangular Pyramid

Length = n
Surface area 27188640171803
Volume 5.8635958440447E+19
Height 3735400.4660622