71387161 (number)

71387161 is an odd 8-digits composite number following 71387160 and preceding 71387162. In scientific notation, it is written as 7.1387161 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 67356000 positive integers (up to 71387161) that are relatively prime to 71387161.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-seven thousand one hundred sixty-one

Notation

Scientific notation 7.1387161 × 10^7
Engineering notation 7.1387161 × 10^6

Prime Factorization of 71387161

Prime Factorization 19 × 251 × 14969

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71387161
Product of the distinct prime numbers

The prime factorization of 71387161 is 19 × 251 × 14969. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71387161)

Multiplication

n×y
n×2 142774322
n×3 214161483
n×4 285548644
n×5 356935805

Division

n÷y
n÷2 35693580.5
n÷3 23795720.333333
n÷3 17846790.25
n÷5 14277432.2

Exponentiation

ny
n2 5096126755639921
n3 3.6379802118127E+23
n4 2.5970507909549E+31
n5 1.8539608293908E+39

Nth Root

y√n
2√n 8449.0923181132
3√n 414.8330697476
4√n 91.918944283065
5√n 37.215514048049

Divisors of 71387161

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71387160
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71387161 can be divided by 8 positive divisors. The sum of these divisors (counting 71387161) is 1, the average is 0.125.

Base conversion 71387161

Base System Value
2 Binary 100010000010100100000011001
3 Ternary 11222022211202221
4 Quaternary 10100110200121
5 Quinary 121233342121
6 Senary 11030024041
8 Octal 420244031
10 Decimal 71387161
12 Duodecimal 1baa8021
16 Hexadecimal 4414819
20 Vigesimal 12637i1
36 Base36 16i2op

Cryptographic Hash Functions

md5 e78b82513daa155b644241fe1913508a
sha1 725920a726d8f0c35d592e6836c9f71ef6e94100
sha256 ca0bd186033b91363c2614eda00bc5a37db489d7d03494ce19b4c30c39645977
sha512 e89595775dd335246d0f2c6be8524c1d33c0b8542c82e8fc1bad185a16a612aa0669829e62a31de193445b3f8272d2974ba63db368196910c4a560e1b001a768
ripemd-160 eb8fa42a75c504a8c0913629ac549fce3c7683aa

71387161 as geometric shapes

Circle

Radius = n
Diameter 142774322
Circumference 448538761.11646
Area 1.6009954377281E+16

Sphere

Radius = n
Volume 1.5238735876448E+24
Surface area 6.4039817509123E+16
Circumference 448538761.11646

Square

Length = n
Perimeter 285548644
Area 5096126755639921
Diagonal 100956691.26551

Cube

Length = n
Surface area 30576760533839526
Volume 3.6379802118127E+23
Space diagonal 123646189.8601

Equilateral Triangle

Length = n
Perimeter 214161483
Area 2.2066876156449E+15
Altitude 61823094.93005

Triangular Pyramid

Length = n
Surface area 2.2066876156449E+15
Volume 4.2874007959921E+22
Height 33652230.421837