71688891 (number)

71688891 is an odd 8-digits composite number following 71688890 and preceding 71688892. In scientific notation, it is written as 7.1688891 × 10^7. The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors. There are 47040000 positive integers (up to 71688891) that are relatively prime to 71688891.

Interesting facts

Basic properties

Name

Name seventy-one million six hundred eighty-eight thousand eight hundred ninety-one

Notation

Scientific notation 7.1688891 × 10^7
Engineering notation 7.1688891 × 10^6

Prime Factorization of 71688891

Prime Factorization 3 × 101 × 197 × 1201

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 71688891
Product of the distinct prime numbers

The prime factorization of 71688891 is 3 × 101 × 197 × 1201. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71688891)

Multiplication

n×y
n×2 143377782
n×3 215066673
n×4 286755564
n×5 358444455

Division

n÷y
n÷2 35844445.5
n÷3 23896297
n÷3 17922222.75
n÷5 14337778.2

Exponentiation

ny
n2 5139297092809881
n3 3.6843050910306E+23
n4 2.6412374608164E+31
n5 1.8934738443358E+39

Nth Root

y√n
2√n 8466.9292544582
3√n 415.41670246223
4√n 92.015918484022
5√n 37.246920537183

Divisors of 71688891

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -71688890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 71688891 can be divided by 16 positive divisors. The sum of these divisors (counting 71688891) is 1, the average is 0.0625.

Base conversion 71688891

Base System Value
2 Binary 100010001011110001010111011
3 Ternary 11222220011200010
4 Quaternary 10101132022323
5 Quinary 121323021031
6 Senary 11040313003
8 Octal 421361273
10 Decimal 71688891
12 Duodecimal 20012763
16 Hexadecimal 445e2bb
20 Vigesimal 128124b
36 Base36 16oji3

Cryptographic Hash Functions

md5 fd6ae426bb50e2feb550575918f59e4f
sha1 c0702849f787e78413c6bc7bc6379d6d5658ee84
sha256 8322c7668fdbc20dad1f3239ce0e80953de0af50e7ccb165d2273aaa2d25829f
sha512 9c49c2f0c44e4b44103dd01c340cc86f31ada9d9bb945bc0e50ecc55b0cec611deeb5d9976d1a4aa1ea6ca532488e602c551a3f43a42b401a54e87bce10a5bb6
ripemd-160 c4fc182624d7ea2a0a83f8ef35802a87129844ab

71688891 as geometric shapes

Circle

Radius = n
Diameter 143377782
Circumference 450434586.6192
Area 1.6145577991387E+16

Sphere

Radius = n
Volume 1.5432781076754E+24
Surface area 6.4582311965548E+16
Circumference 450434586.6192

Square

Length = n
Perimeter 286755564
Area 5139297092809881
Diagonal 101383401.92369

Cube

Length = n
Surface area 30835782556859286
Volume 3.6843050910306E+23
Space diagonal 124168801.55027

Equilateral Triangle

Length = n
Perimeter 215066673
Area 2.2253809199844E+15
Altitude 62084400.775134

Triangular Pyramid

Length = n
Surface area 2.2253809199844E+15
Volume 4.3419951897131E+22
Height 33794467.307896