71287979 (number)

71287979 is an odd 8-digits composite number following 71287978 and preceding 71287980. In scientific notation, it is written as 7.1287979 × 10^7. The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors. There are 61103976 positive integers (up to 71287979) that are relatively prime to 71287979.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1287979 × 10^7
Engineering notation 7.1287979 × 10^6

Prime Factorization of 71287979

Prime Factorization 7 × 10183997

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71287979
Product of the distinct prime numbers

The prime factorization of 71287979 is 7 × 10183997. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71287979)

Multiplication

n×y
n×2 142575958
n×3 213863937
n×4 285151916
n×5 356439895

Division

n÷y
n÷2 35643989.5
n÷3 23762659.666667
n÷3 17821994.75
n÷5 14257595.8

Exponentiation

ny
n2 5081975949904441
n3 3.6228379479529E+23
n4 2.5826479555407E+31
n5 1.8411175321898E+39

Nth Root

y√n
2√n 8443.220890158
3√n 414.64086411765
4√n 91.887000659277
5√n 37.205167195544

Divisors of 71287979

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 -71287978
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 71287979 can be divided by 4 positive divisors. The sum of these divisors (counting 71287979) is 1, the average is 0.25.

Base conversion 71287979

Base System Value
2 Binary 100001111111100010010101011
3 Ternary 11222010210201112
4 Quaternary 10033330102223
5 Quinary 121222203404
6 Senary 11023540535
8 Octal 417742253
10 Decimal 71287979
12 Duodecimal 1ba5a74b
16 Hexadecimal 43fc4ab
20 Vigesimal 125ajij
36 Base36 16fy5n

Cryptographic Hash Functions

md5 1dec667921e50bbadde2191b63859d1e
sha1 967fcf6333e3f598f500814ed067a50b333157a7
sha256 610c74c0a502b7403e8deef3f1a833c632a2470800db2b3de1ccfc53688a7af0
sha512 34c475c6551cc7efe391b880c22a32d44cb757332abee93cc5d69b124c0992ca9c36db9d19d24e6143b36eae8009e3aa87a70b0a75eb2a2f96985aca81906252
ripemd-160 e811fc7901cf942e682345bbc1b5b2fbd74362a6

71287979 as geometric shapes

Circle

Radius = n
Diameter 142575958
Circumference 447915582.23133
Area 1.596549830994E+16

Sphere

Radius = n
Volume 1.5175308109914E+24
Surface area 6.3861993239759E+16
Circumference 447915582.23133

Square

Length = n
Perimeter 285151916
Area 5081975949904441
Diagonal 100816426.73597

Cube

Length = n
Surface area 30491855699426646
Volume 3.6228379479529E+23
Space diagonal 123474401.5969

Equilateral Triangle

Length = n
Perimeter 213863937
Area 2.2005601370194E+15
Altitude 61737200.798452

Triangular Pyramid

Length = n
Surface area 2.2005601370194E+15
Volume 4.2695554668958E+22
Height 33605475.578656