7990987 (number)

7990987 is an odd 7-digits composite number following 7990986 and preceding 7990988. In scientific notation, it is written as 7.990987 × 10^6. The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors. There are 7820920 positive integers (up to 7990987) that are relatively prime to 7990987.

Interesting facts

Basic properties

Name

Name seven million nine hundred ninety thousand nine hundred eighty-seven

Notation

Scientific notation 7.990987 × 10^6
Engineering notation 7.990987 × 10^6

Prime Factorization of 7990987

Prime Factorization 47 × 170021

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 7990987
Product of the distinct prime numbers

The prime factorization of 7990987 is 47 × 170021. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 7990987)

Multiplication

n×y
n×2 15981974
n×3 23972961
n×4 31963948
n×5 39954935

Division

n÷y
n÷2 3995493.5
n÷3 2663662.3333333
n÷3 1997746.75
n÷5 1598197.4

Exponentiation

ny
n2 63855873234169
n3 5.1027145288789E+20
n4 4.0775725464983E+27
n5 3.2583829210624E+34

Nth Root

y√n
2√n 2826.8333873789
3√n 199.92486344269
4√n 53.167973323975
5√n 24.017073371408

Divisors of 7990987

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 -7990986
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 7990987 can be divided by 4 positive divisors. The sum of these divisors (counting 7990987) is 1, the average is 0.25.

Base conversion 7990987

Base System Value
2 Binary 11110011110111011001011
3 Ternary 120000222120111
4 Quaternary 132132323023
5 Quinary 4021202422
6 Senary 443135151
8 Octal 36367313
10 Decimal 7990987
12 Duodecimal 28144b7
16 Hexadecimal 79eecb
20 Vigesimal 29ih97
36 Base36 4r9vv

Cryptographic Hash Functions

md5 e9524135ec081fcfdb8178605328f630
sha1 c2ba0621a67dccee45b856d04601b226193a15d9
sha256 8319a84ffee60080a919ad6e634f50a17f01bce64038982a5c571409b786f2f1
sha512 aa13ccb412ffc67df5c4c8829ddb854be069a7a775813350937a6c4678b0c786ffb916ed6b4257e7b4ad169c0506cbb2e60885dbb60ec5d02f58732902a02c4c
ripemd-160 a0553b4a941235fe85d923aaf3f50c22a7019b7c

7990987 as geometric shapes

Circle

Radius = n
Diameter 15981974
Circumference 50208852.108263
Area 2.0060914224103E+14

Sphere

Radius = n
Volume 2.1374200636389E+21
Surface area 8.0243656896411E+14
Circumference 50208852.108263

Square

Length = n
Perimeter 31963948
Area 63855873234169
Diagonal 11300962.192147

Cube

Length = n
Surface area 383135239405014
Volume 5.1027145288789E+20
Space diagonal 13840795.486622

Equilateral Triangle

Length = n
Perimeter 23972961
Area 27650404200815
Altitude 6920397.7433112

Triangular Pyramid

Length = n
Surface area 27650404200815
Volume 6.013606743049E+19
Height 3766987.3973824