7427981 (number)

7427981 is an odd 7-digits composite number following 7427980 and preceding 7427982. In scientific notation, it is written as 7.427981 × 10^6. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 6752700 positive integers (up to 7427981) that are relatively prime to 7427981.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.427981 × 10^6
Engineering notation 7.427981 × 10^6

Prime Factorization of 7427981

Prime Factorization 11 × 675271

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7427981
Product of the distinct prime numbers

The prime factorization of 7427981 is 11 × 675271. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7427981)

Multiplication

n×y
n×2 14855962
n×3 22283943
n×4 29711924
n×5 37139905

Division

n÷y
n÷2 3713990.5
n÷3 2475993.6666667
n÷3 1856995.25
n÷5 1485596.2

Exponentiation

ny
n2 55174901736361
n3 4.0983812177456E+20
n4 3.0442697816171E+27
n5 2.2612778096726E+34

Nth Root

y√n
2√n 2725.4322592939
3√n 195.11482170355
4√n 52.205672673512
5√n 23.668686474214

Divisors of 7427981

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 -7427980
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 7427981 can be divided by 4 positive divisors. The sum of these divisors (counting 7427981) is 1, the average is 0.25.

Base conversion 7427981

Base System Value
2 Binary 11100010101011110001101
3 Ternary 111222101021102
4 Quaternary 130111132031
5 Quinary 3400143411
6 Senary 423112445
8 Octal 34253615
10 Decimal 7427981
12 Duodecimal 25a2725
16 Hexadecimal 71578d
20 Vigesimal 2689j1
36 Base36 4f7gt

Cryptographic Hash Functions

md5 e522a338f587734286449711ef73026e
sha1 20c39f26eea746125aced933b297c4f966a1f93f
sha256 edab4718f67e2aec0a1c5dc5bc2174f24206820cc5825166ddaf82dfe3a4998f
sha512 fb900001d07eb83499e8f61d34809eabf67463b0f75f31bd8051a1dc19fb8d1ea49d39f6f17d319474d7225e7181ec0b7f81cf7e4560d3161449a369e471b308
ripemd-160 cda9665f4f73a7b1e87b348141849cafee6965f2

7427981 as geometric shapes

Circle

Radius = n
Diameter 14855962
Circumference 46671381.081209
Area 1.7333706595749E+14

Sphere

Radius = n
Volume 1.7167259100373E+21
Surface area 6.9334826382996E+14
Circumference 46671381.081209

Square

Length = n
Perimeter 29711924
Area 55174901736361
Diagonal 10504751.47125

Cube

Length = n
Surface area 331049410418166
Volume 4.0983812177456E+20
Space diagonal 12865640.489656

Equilateral Triangle

Length = n
Perimeter 22283943
Area 23891433277499
Altitude 6432820.2448281

Triangular Pyramid

Length = n
Surface area 23891433277499
Volume 4.8299885849258E+19
Height 3501583.8237499