71661389 (number)

71661389 is an odd 8-digits composite number following 71661388 and preceding 71661390. In scientific notation, it is written as 7.1661389 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 71643900 positive integers (up to 71661389) that are relatively prime to 71661389.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred sixty-one thousand three hundred eighty-nine

Notation

Scientific notation 7.1661389 × 10^7
Engineering notation 7.1661389 × 10^6

Prime Factorization of 71661389

Prime Factorization 6551 × 10939

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71661389
Product of the distinct prime numbers

The prime factorization of 71661389 is 6551 × 10939. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71661389)

Multiplication

n×y
n×2 143322778
n×3 214984167
n×4 286645556
n×5 358306945

Division

n÷y
n÷2 35830694.5
n÷3 23887129.666667
n÷3 17915347.25
n÷5 14332277.8

Exponentiation

ny
n2 5135354673409321
n3 3.6800664890415E+23
n4 2.6371867621707E+31
n5 1.8898446642956E+39

Nth Root

y√n
2√n 8465.3050151781
3√n 415.36357358239
4√n 92.007092200428
5√n 37.244062292283

Divisors of 71661389

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 -71661388
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 71661389 can be divided by 4 positive divisors. The sum of these divisors (counting 71661389) is 1, the average is 0.25.

Base conversion 71661389

Base System Value
2 Binary 100010001010111011101001101
3 Ternary 11222211202221112
4 Quaternary 10101113131031
5 Quinary 121321131024
6 Senary 11035541405
8 Octal 421273515
10 Decimal 71661389
12 Duodecimal 1bbba865
16 Hexadecimal 445774d
20 Vigesimal 127hd99
36 Base36 16nya5

Cryptographic Hash Functions

md5 122758294343c83f7f13a3e58683057e
sha1 16401a65b71e1354727745ee2bc698c208c8b885
sha256 248c7cfe574f965cfe12558f2aef168080a4baae0b67dd1eb5a74b2088dd474c
sha512 ccacbdeb40e79c997c8adbeb9d01f373e8f5014b196f4548715449f29737bbbd277e11631c092084f313b9a91e955e4e83c4ed557ee776078bf3abe3ad00ef0e
ripemd-160 dcd09da1afb5f5f45ddaf6a463727a7344a32110

71661389 as geometric shapes

Circle

Radius = n
Diameter 143322778
Circumference 450261786.45688
Area 1.6133192515561E+16

Sphere

Radius = n
Volume 1.541502646226E+24
Surface area 6.4532770062243E+16
Circumference 450261786.45688

Square

Length = n
Perimeter 286645556
Area 5135354673409321
Diagonal 101344508.22229

Cube

Length = n
Surface area 30812128040455926
Volume 3.6800664890415E+23
Space diagonal 124121166.68896

Equilateral Triangle

Length = n
Perimeter 214984167
Area 2.2236738023078E+15
Altitude 62060583.344479

Triangular Pyramid

Length = n
Surface area 2.2236738023078E+15
Volume 4.3369999493644E+22
Height 33781502.740765