71297781 (number)

71297781 is an odd 8-digits composite number following 71297780 and preceding 71297782. In scientific notation, it is written as 7.1297781 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 47531852 positive integers (up to 71297781) that are relatively prime to 71297781.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1297781 × 10^7
Engineering notation 7.1297781 × 10^6

Prime Factorization of 71297781

Prime Factorization 3 × 23765927

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71297781
Product of the distinct prime numbers

The prime factorization of 71297781 is 3 × 23765927. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71297781)

Multiplication

n×y
n×2 142595562
n×3 213893343
n×4 285191124
n×5 356488905

Division

n÷y
n÷2 35648890.5
n÷3 23765927
n÷3 17824445.25
n÷5 14259556.2

Exponentiation

ny
n2 5083373575523961
n3 3.6243325592889E+23
n4 2.5840686908335E+31
n5 1.8423836360801E+39

Nth Root

y√n
2√n 8443.8013358913
3√n 414.65986743136
4√n 91.890159080781
5√n 37.206190271238

Divisors of 71297781

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 -71297780
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 71297781 can be divided by 4 positive divisors. The sum of these divisors (counting 71297781) is 1, the average is 0.25.

Base conversion 71297781

Base System Value
2 Binary 100001111111110101011110101
3 Ternary 11222011022011120
4 Quaternary 10033332223311
5 Quinary 121223012111
6 Senary 11024054153
8 Octal 417765365
10 Decimal 71297781
12 Duodecimal 1ba64359
16 Hexadecimal 43feaf5
20 Vigesimal 125c491
36 Base36 16g5px

Cryptographic Hash Functions

md5 79e77d53a370d9d450059948b23e5e44
sha1 66db163dab108089a2a994652e7696d8a88e7759
sha256 63878dade8a36344f40b05f24100eac39b36aa3f01e2db1963429cbef45ac5ca
sha512 c03f11c81f01db94fd88a4ae7bf3750fa4204e7b966596d4485cbb29a6c6ab6e3f20cb4052ee32a64f7ae1a257578bfab1e6db97a4ae97077ba67c783542b99a
ripemd-160 b929ba7d9c01748f55e638c6aeb4754e3b7455c3

71297781 as geometric shapes

Circle

Radius = n
Diameter 142595562
Circumference 447977170.01371
Area 1.5969889080319E+16

Sphere

Radius = n
Volume 1.5181568723238E+24
Surface area 6.3879556321274E+16
Circumference 447977170.01371

Square

Length = n
Perimeter 285191124
Area 5083373575523961
Diagonal 100830288.85731

Cube

Length = n
Surface area 30500241453143766
Volume 3.6243325592889E+23
Space diagonal 123491379.15892

Equilateral Triangle

Length = n
Perimeter 213893343
Area 2.2011653266651E+15
Altitude 61745689.579459

Triangular Pyramid

Length = n
Surface area 2.2011653266651E+15
Volume 4.2713168832473E+22
Height 33610096.285769