71661645 (number)

71661645 is an odd 8-digits composite number following 71661644 and preceding 71661646. In scientific notation, it is written as 7.1661645 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors. There are 33580800 positive integers (up to 71661645) that are relatively prime to 71661645.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand six hundred forty-five

Notation

Scientific notation 7.1661645 × 10^7
Engineering notation 7.1661645 × 10^6

Prime Factorization of 71661645

Prime Factorization 45 × 3 × 121 × 41 × 107

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71661645
Product of the distinct prime numbers

The prime factorization of 71661645 is 45 × 3 × 121 × 41 × 107. Since it has a total of 5 prime factors.

Most popular turbo-numbers

5, 1, 94, 10, 690, 335, 2650, 9735, 50185, 42151, 296517, 429737, 7107307, 8834348, 49948193, 81164278, 240142275, 679027723, 5034483271, 8827087105

Basic calculations (n = 71661645)

Multiplication

n×y
n×2 143323290
n×3 214984935
n×4 286646580
n×5 358308225

Division

n÷y
n÷2 35830822.5
n÷3 23887215
n÷3 17915411.25
n÷5 14332329

Exponentiation

ny
n2 5135391364106025
n3 3.6801059287063E+23
n4 2.6372244462535E+31
n5 1.8898784205274E+39

Nth Root

y√n
2√n 8465.3201357066
3√n 415.36406819067
4√n 92.007174370843
5√n 37.244088902055

Divisors of 71661645

1, 3, 41, 45, 107, 121, 123, 135, 321, 363, 1845, 4387, 4815, 4961, 5445, 5535, 12947, 13161, 14445, 14883, 16335, 38841, 197415, 223245, 530827, 582615, 592245, 669735, 1592481, 1747845, 23887215, 71661645

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 -71661644
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 71661645 can be divided by 32 positive divisors. The sum of these divisors (counting 71661645) is 1, the average is 0.03125.

Base conversion 71661645

Base System Value
2 Binary 100010001010111100001001101
3 Ternary 11222211210022000
4 Quaternary 10101113201031
5 Quinary 121321133040
6 Senary 11035542513
8 Octal 421274115
10 Decimal 71661645
12 Duodecimal 1bbbaa39
16 Hexadecimal 445784d
20 Vigesimal 127he25
36 Base36 16nyh9

Cryptographic Hash Functions

md5 c38fb03d888fbf98f64aae1d431f8a2d
sha1 c01f2496b8e2e8a2324c9b36793f31550886757b
sha256 44b79bf9a5301fad381a5fd71a84ae086673dac06ddfe2716d4a3b764624776d
sha512 3a8fab7eb66b285a8de67c6e8de6ce2eab0745a43a33d6f19279f41de1300f5a87038628883c2cac6639a2d47b6cb42cbc67781ffac0e5fef8e054efe345b5aa
ripemd-160 72b2d99138cf83a0111ed108d4de1d1770b1a0c1

71661645 as geometric shapes

Circle

Radius = n
Diameter 143323290
Circumference 450263394.95232
Area 1.6133307782784E+16

Sphere

Radius = n
Volume 1.5415191666741E+24
Surface area 6.4533231131136E+16
Circumference 450263394.95232

Square

Length = n
Perimeter 286646580
Area 5135391364106025
Diagonal 101344870.26097

Cube

Length = n
Surface area 30812348184636150
Volume 3.6801059287063E+23
Space diagonal 124121610.09396

Equilateral Triangle

Length = n
Perimeter 214984935
Area 2.2236896898455E+15
Altitude 62060805.046982

Triangular Pyramid

Length = n
Surface area 2.2236896898455E+15
Volume 4.3370464294551E+22
Height 33781623.420322