71291721 (number)

71291721 is an odd 8-digits composite number following 71291720 and preceding 71291722. In scientific notation, it is written as 7.1291721 × 10^7. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 46422432 positive integers (up to 71291721) that are relatively prime to 71291721.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 7.1291721 × 10^7
Engineering notation 7.1291721 × 10^6

Prime Factorization of 71291721

Prime Factorization 3 × 43 × 552649

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71291721
Product of the distinct prime numbers

The prime factorization of 71291721 is 3 × 43 × 552649. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71291721)

Multiplication

n×y
n×2 142583442
n×3 213875163
n×4 285166884
n×5 356458605

Division

n÷y
n÷2 35645860.5
n÷3 23763907
n÷3 17822930.25
n÷5 14258344.2

Exponentiation

ny
n2 5082509483141841
n3 3.62340848052E+23
n4 2.5831902646227E+31
n5 1.841600796354E+39

Nth Root

y√n
2√n 8443.4424851479
3√n 414.64811900591
4√n 91.888206452993
5√n 37.205557776998

Divisors of 71291721

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 -71291720
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 71291721 can be divided by 8 positive divisors. The sum of these divisors (counting 71291721) is 1, the average is 0.125.

Base conversion 71291721

Base System Value
2 Binary 100001111111101001101001001
3 Ternary 11222010222212010
4 Quaternary 10033331031021
5 Quinary 121222313341
6 Senary 11024010133
8 Octal 417751511
10 Decimal 71291721
12 Duodecimal 1ba60949
16 Hexadecimal 43fd349
20 Vigesimal 125b961
36 Base36 16g11l

Cryptographic Hash Functions

md5 031e59d65598982960c57eba3e706af1
sha1 c27bf3371747968634dd68b09521b6d021f4a793
sha256 80a0f8e8d7c14c4715332641d05a3106368ecdb9ebfe4b1c9799cfd3b3c15193
sha512 7869bd3719e7ed264b5d6e439ab50545dd76642974ac90b9a9d3bf6d64f1390766b771a57648dbe79b37ff1d2ed1697dbbfe7d19883bb0ee26c58092c6a8f057
ripemd-160 82b98d398e1d1a891e23ce0c56f7d674c0f3fde2

71291721 as geometric shapes

Circle

Radius = n
Diameter 142583442
Circumference 447939093.91075
Area 1.5967174454039E+16

Sphere

Radius = n
Volume 1.5177697951142E+24
Surface area 6.3868697816155E+16
Circumference 447939093.91075

Square

Length = n
Perimeter 285166884
Area 5082509483141841
Diagonal 100821718.72312

Cube

Length = n
Surface area 30495056898851046
Volume 3.62340848052E+23
Space diagonal 123480882.93103

Equilateral Triangle

Length = n
Perimeter 213875163
Area 2.2007911636881E+15
Altitude 61740441.465513

Triangular Pyramid

Length = n
Surface area 2.2007911636881E+15
Volume 4.2702278459743E+22
Height 33607239.574373