71391505 (number)

71391505 is an odd 8-digits composite number following 71391504 and preceding 71391506. In scientific notation, it is written as 7.1391505 × 10^7. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 57113200 positive integers (up to 71391505) that are relatively prime to 71391505.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred ninety-one thousand five hundred five

Notation

Scientific notation 7.1391505 × 10^7
Engineering notation 7.1391505 × 10^6

Prime Factorization of 71391505

Prime Factorization 5 × 14278301

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71391505
Product of the distinct prime numbers

The prime factorization of 71391505 is 5 × 14278301. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71391505)

Multiplication

n×y
n×2 142783010
n×3 214174515
n×4 285566020
n×5 356957525

Division

n÷y
n÷2 35695752.5
n÷3 23797168.333333
n÷3 17847876.25
n÷5 14278301

Exponentiation

ny
n2 5096746986165025
n3 3.6386443794654E+23
n4 2.5976829840982E+31
n5 1.8545249774766E+39

Nth Root

y√n
2√n 8449.3493832366
3√n 414.84148395112
4√n 91.920342597472
5√n 37.215966959346

Divisors of 71391505

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 -71391504
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 71391505 can be divided by 4 positive divisors. The sum of these divisors (counting 71391505) is 1, the average is 0.25.

Base conversion 71391505

Base System Value
2 Binary 100010000010101100100010001
3 Ternary 11222100001201211
4 Quaternary 10100111210101
5 Quinary 121234012010
6 Senary 11030100121
8 Octal 420254421
10 Decimal 71391505
12 Duodecimal 1baaa641
16 Hexadecimal 4415911
20 Vigesimal 1263if5
36 Base36 16i61d

Cryptographic Hash Functions

md5 0464524905489d7f608a9295e7e6913b
sha1 697930bc4b61444dde6faac2b551a7f796b3a72d
sha256 8ffe704f350cdbcb7082afdb4755f161b85fd8a8058d885e5bfb210a79f1eb90
sha512 723a25d5abfd0354a655af02ba93f19c97f46d170cd4a1584fb71d600b3c7fbae64ad96c175ec285871ab8947251d3d5f629dfbc6c882422d47d1e120ab215f2
ripemd-160 b90a8cc7c40f42410a69a882411ad3d703e3b372

71391505 as geometric shapes

Circle

Radius = n
Diameter 142783010
Circumference 448566055.27344
Area 1.6011902888942E+16

Sphere

Radius = n
Volume 1.5241517935406E+24
Surface area 6.4047611555768E+16
Circumference 448566055.27344

Square

Length = n
Perimeter 285566020
Area 5096746986165025
Diagonal 100962834.60923

Cube

Length = n
Surface area 30580481916990150
Volume 3.6386443794654E+23
Space diagonal 123653713.88881

Equilateral Triangle

Length = n
Perimeter 214174515
Area 2.2069561833403E+15
Altitude 61826856.944404

Triangular Pyramid

Length = n
Surface area 2.2069561833403E+15
Volume 4.2881835250771E+22
Height 33654278.203076