7971985 (number)

7971985 is an odd 7-digits composite number following 7971984 and preceding 7971986. In scientific notation, it is written as 7.971985 × 10^6. The sum of its digits is 46. It has a total of 4 prime factors and 16 positive divisors. There are 5338368 positive integers (up to 7971985) that are relatively prime to 7971985.

Interesting facts

Basic properties

Name

Name seven million nine hundred seventy-one thousand nine hundred eighty-five

Notation

Scientific notation 7.971985 × 10^6
Engineering notation 7.971985 × 10^6

Prime Factorization of 7971985

Prime Factorization 5 × 7 × 43 × 5297

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 7971985
Product of the distinct prime numbers

The prime factorization of 7971985 is 5 × 7 × 43 × 5297. Since it has a total of 4 prime factors.

Most popular turbo-numbers

1, 6, 12, 66, 255, 556, 5910, 3764, 29282, 73515, 182171, 137826, 8220232, 9217639, 8085726, 62381573, 526916598, 795125166, 6427198700, 4805111866

Basic calculations (n = 7971985)

Multiplication

n×y
n×2 15943970
n×3 23915955
n×4 31887940
n×5 39859925

Division

n÷y
n÷2 3985992.5
n÷3 2657328.3333333
n÷3 1992996.25
n÷5 1594397

Exponentiation

ny
n2 63552544840225
n3 5.066399341781E+20
n4 4.0389259556688E+27
n5 3.2198257134702E+34

Nth Root

y√n
2√n 2823.4703823486
3√n 199.76626862129
4√n 53.136337682876
5√n 24.005640312211

Divisors of 7971985

1, 5, 7, 35, 43, 215, 301, 1505, 5297, 26485, 37079, 185395, 227771, 1138855, 1594397, 7971985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -7971984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 7971985 can be divided by 16 positive divisors. The sum of these divisors (counting 7971985) is 1, the average is 0.0625.

Base conversion 7971985

Base System Value
2 Binary 11110011010010010010001
3 Ternary 120000000111201
4 Quaternary 132122102101
5 Quinary 4020100420
6 Senary 442511201
8 Octal 36322221
10 Decimal 7971985
12 Duodecimal 2805501
16 Hexadecimal 79a491
20 Vigesimal 29g9j5
36 Base36 4qv81

Cryptographic Hash Functions

md5 e1a5d0f567107cc81e374a6a67ff6aae
sha1 e8bc45f30161888d60001952c3eaf8ff768242ee
sha256 52e64c20b785121d675f621049fbb314110a929d422597396c6ace6fa721171f
sha512 9d604a58ee33f79632b2b35c3c7ac513da71765dce992f3dfb59863e73efc8496528d7ef938a5f0a463acfe2041a1d23f8c0d693e7e813e0d9c00b4d2ab928f8
ripemd-160 4b4a5ae67da157502f8c70a91a05e739d66cf5b1

7971985 as geometric shapes

Circle

Radius = n
Diameter 15943970
Circumference 50089459.021056
Area 1.9965620798699E+14

Sphere

Radius = n
Volume 2.1222083936389E+21
Surface area 7.9862483194795E+14
Circumference 50089459.021056

Square

Length = n
Perimeter 31887940
Area 63552544840225
Diagonal 11274089.306035

Cube

Length = n
Surface area 381315269041350
Volume 5.066399341781E+20
Space diagonal 13807883.057177

Equilateral Triangle

Length = n
Perimeter 23915955
Area 27519059153392
Altitude 6903941.5285885

Triangular Pyramid

Length = n
Surface area 27519059153392
Volume 5.9708088846207E+19
Height 3758029.7686783