71661390 (number)

71661390 is an even 8-digits composite number following 71661389 and preceding 71661391. In scientific notation, it is written as 7.1661390 × 10^7. The sum of its digits is 33. It has a total of 5 prime factors and 32 positive divisors. There are 19067424 positive integers (up to 71661390) that are relatively prime to 71661390.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand three hundred ninety

Notation

Scientific notation 7.1661390 × 10^7
Engineering notation 7.1661390 × 10^6

Prime Factorization of 71661390

Prime Factorization 2 × 3 × 5 × 499 × 4787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 71661390
Product of the distinct prime numbers

The prime factorization of 71661390 is 2 × 3 × 5 × 499 × 4787. Since it has a total of 5 prime factors.

Most popular turbo-numbers

7, 5, 14, 36, 569, 213, 7804, 2754, 53910, 60060, 930382, 657818, 8669987, 6499242, 56368139, 3621724, 760470503, 453346370, 2905863251, 4264419100

Basic calculations (n = 71661390)

Multiplication

n×y
n×2 143322780
n×3 214984170
n×4 286645560
n×5 358306950

Division

n÷y
n÷2 35830695
n÷3 23887130
n÷3 17915347.5
n÷5 14332278

Exponentiation

ny
n2 5135354816732100
n3 3.6800666431022E+23
n4 2.6371869093734E+31
n5 1.889844796155E+39

Nth Root

y√n
2√n 8465.3050742427
3√n 415.36357551446
4√n 92.007092521407
5√n 37.244062396227

Divisors of 71661390

1, 2, 3, 5, 6, 10, 15, 30, 499, 998, 1497, 2495, 2994, 4787, 4990, 7485, 9574, 14361, 14970, 23935, 28722, 47870, 71805, 143610, 2388713, 4777426, 7166139, 11943565, 14332278, 23887130, 35830695, 71661390

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 -71661389
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 71661390 can be divided by 32 positive divisors. The sum of these divisors (counting 71661390) is 1, the average is 0.03125.

Base conversion 71661390

Base System Value
2 Binary 100010001010111011101001110
3 Ternary 11222211202221120
4 Quaternary 10101113131032
5 Quinary 121321131030
6 Senary 11035541410
8 Octal 421273516
10 Decimal 71661390
12 Duodecimal 1bbba866
16 Hexadecimal 445774e
20 Vigesimal 127hd9a
36 Base36 16nya6

Cryptographic Hash Functions

md5 fa3a3a09fab676df4f737a6214bfefa8
sha1 ad94b3db20b9f4515ae5cfaf5d2eebffd43ac48f
sha256 402067fdba1f3d8accae8185ef37cfdb8e97b98208f44ff7b8a33f3050c7e3c0
sha512 ab96a66a521c035184a82f0792254fe0a162e6ec40bb6f071594d249a7ffd0cd41585c5f84801c5ccc41d7e49431e44fd49c6c351cc89a7373feaac82e14ac33
ripemd-160 efd0c52efba767ac8dd28ddc66f8088914385791

71661390 as geometric shapes

Circle

Radius = n
Diameter 143322780
Circumference 450261792.74007
Area 1.6133192965823E+16

Sphere

Radius = n
Volume 1.5415027107588E+24
Surface area 6.453277186329E+16
Circumference 450261792.74007

Square

Length = n
Perimeter 286645560
Area 5135354816732100
Diagonal 101344509.63651

Cube

Length = n
Surface area 30812128900392600
Volume 3.6800666431022E+23
Space diagonal 124121168.42101

Equilateral Triangle

Length = n
Perimeter 214984170
Area 2.2236738643684E+15
Altitude 62060584.210504

Triangular Pyramid

Length = n
Surface area 2.2236738643684E+15
Volume 4.3370001309266E+22
Height 33781503.212169