71644728 (number)

71644728 is an even 8-digits composite number following 71644727 and preceding 71644729. In scientific notation, it is written as 7.1644728 × 10^7. The sum of its digits is 39. It has a total of 6 prime factors and 32 positive divisors. There are 23235840 positive integers (up to 71644728) that are relatively prime to 71644728.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred forty-four thousand seven hundred twenty-eight

Notation

Scientific notation 7.1644728 × 10^7
Engineering notation 7.1644728 × 10^6

Prime Factorization of 71644728

Prime Factorization 2 × 2 × 2 × 3 × 37 × 80681

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 17911182
Product of the distinct prime numbers

The prime factorization of 71644728 is 2 × 2 × 2 × 3 × 37 × 80681. Since it has a total of 6 prime factors.

Most popular turbo-numbers

2, 1, 56, 89, 835, 179, 158, 6436, 7713, 78281, 330425, 207557, 6440575, 7751677, 43481955, 43211279, 105093395, 575575313, 1580069895, 3288545869

Basic calculations (n = 71644728)

Multiplication

n×y
n×2 143289456
n×3 214934184
n×4 286578912
n×5 358223640

Division

n÷y
n÷2 35822364
n÷3 23881576
n÷3 17911182
n÷5 14328945.6

Exponentiation

ny
n2 5132967050193984
n3 3.6775002814411E+23
n4 2.6347350738377E+31
n5 1.8876487771716E+39

Nth Root

y√n
2√n 8464.3208823863
3√n 415.33138093776
4√n 92.001743909484
5√n 37.242330310678

Divisors of 71644728

1, 2, 3, 4, 6, 8, 12, 24, 37, 74, 111, 148, 222, 296, 444, 888, 80681, 161362, 242043, 322724, 484086, 645448, 968172, 1936344, 2985197, 5970394, 8955591, 11940788, 17911182, 23881576, 35822364, 71644728

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71644727
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71644728 can be divided by 32 positive divisors. The sum of these divisors (counting 71644728) is 1, the average is 0.03125.

Base conversion 71644728

Base System Value
2 Binary 100010001010011011000111000
3 Ternary 11222210221002110
4 Quaternary 10101103120320
5 Quinary 121320112403
6 Senary 11035332320
8 Octal 421233070
10 Decimal 71644728
12 Duodecimal 1bbb10a0
16 Hexadecimal 4453638
20 Vigesimal 127fbg8
36 Base36 16nlfc

Cryptographic Hash Functions

md5 310232af7a479c6e7162195b87a67b9c
sha1 57f8fd9d9ec25b94bd2eb9e876a79d1ced37693a
sha256 ec951944446ef5252f1977cc2efcabbd2ec239e03b897f22650d22860ab2d473
sha512 d793e462860fb1a6e2525714ae55cdf256bc2202530c0f6d6683f21b72e8d7b98fee3fe02e249eb43dd871bf8657399875d85105778ffca78d5a1baa339c6879
ripemd-160 8ef46e20063214e2c2044e61abe952a276219012

71644728 as geometric shapes

Circle

Radius = n
Diameter 143289456
Circumference 450157102.30648
Area 1.6125691576008E+16

Sphere

Radius = n
Volume 1.5404277157E+24
Surface area 6.4502766304032E+16
Circumference 450157102.30648

Square

Length = n
Perimeter 286578912
Area 5132967050193984
Diagonal 101320946.01013

Cube

Length = n
Surface area 30797802301163904
Volume 3.6775002814411E+23
Space diagonal 124092308.99045

Equilateral Triangle

Length = n
Perimeter 214934184
Area 2.2226399311282E+15
Altitude 62046154.495226

Triangular Pyramid

Length = n
Surface area 2.2226399311282E+15
Volume 4.3339756447041E+22
Height 33773648.670044