71297985 (number)

71297985 is an odd 8-digits composite number following 71297984 and preceding 71297986. In scientific notation, it is written as 7.1297985 × 10^7. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 32697600 positive integers (up to 71297985) that are relatively prime to 71297985.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1297985 × 10^7
Engineering notation 7.1297985 × 10^6

Prime Factorization of 71297985

Prime Factorization 15 × 11 × 31 × 53 × 263

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71297985
Product of the distinct prime numbers

The prime factorization of 71297985 is 15 × 11 × 31 × 53 × 263. Since it has a total of 5 prime factors.

Most popular turbo-numbers

1, 4, 5, 28, 745, 135, 9862, 5472, 71783, 62777, 217130, 972264, 1151906, 6688080, 14281885, 17186522, 973655221, 28083519, 4122207354, 1740706059

Basic calculations (n = 71297985)

Multiplication

n×y
n×2 142595970
n×3 213893955
n×4 285191940
n×5 356489925

Division

n÷y
n÷2 35648992.5
n÷3 23765995
n÷3 17824496.25
n÷5 14259597

Exponentiation

ny
n2 5083402665060225
n3 3.6243636696242E+23
n4 2.5840982655141E+31
n5 1.8424099937315E+39

Nth Root

y√n
2√n 8443.81341575
3√n 414.66026291132
4√n 91.89022481064
5√n 37.206211562375

Divisors of 71297985

1, 11, 15, 31, 53, 165, 263, 341, 465, 583, 795, 1643, 2893, 3945, 5115, 8153, 8745, 13939, 18073, 24645, 43395, 89683, 122295, 153329, 209085, 271095, 432109, 1345245, 2299935, 4753199, 6481635, 71297985

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71297984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71297985 can be divided by 32 positive divisors. The sum of these divisors (counting 71297985) is 1, the average is 0.03125.

Base conversion 71297985

Base System Value
2 Binary 100001111111110101111000001
3 Ternary 11222011022110010
4 Quaternary 10033332233001
5 Quinary 121223013420
6 Senary 11024055133
8 Octal 417765701
10 Decimal 71297985
12 Duodecimal 1ba644a9
16 Hexadecimal 43febc1
20 Vigesimal 125c4j5
36 Base36 16g5vl

Cryptographic Hash Functions

md5 9eae4e4c0434dfa56ca5d43b1f43ed81
sha1 d5e425e5c406e29c6fd504309162d78229120106
sha256 87e590fb92c7b403d302f4b74de37d5a4985d5d78e50eec3b53c99ce7393493d
sha512 8257ad805b6b7c510a4757f000facb014df2a7707768adc64515c9ab7db1b3bf1a0ab1bf2c892b87c58bd86bcc50a02158ec53e9f048652f8a893744c7974b23
ripemd-160 4d240af175aa043b2b4f31473b11833afcdb65ec

71297985 as geometric shapes

Circle

Radius = n
Diameter 142595970
Circumference 447978451.78351
Area 1.5969980467792E+16

Sphere

Radius = n
Volume 1.5181699037906E+24
Surface area 6.3879921871168E+16
Circumference 447978451.78351

Square

Length = n
Perimeter 285191940
Area 5083402665060225
Diagonal 100830577.35687

Cube

Length = n
Surface area 30500415990361350
Volume 3.6243636696242E+23
Space diagonal 123491732.49728

Equilateral Triangle

Length = n
Perimeter 213893955
Area 2.2011779228038E+15
Altitude 61745866.248642

Triangular Pyramid

Length = n
Surface area 2.2011779228038E+15
Volume 4.2713535471291E+22
Height 33610192.452291