71388881 (number)

71388881 is an odd 8-digits composite number following 71388880 and preceding 71388882. In scientific notation, it is written as 7.1388881 × 10^7. The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors. There are 70528692 positive integers (up to 71388881) that are relatively prime to 71388881.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-eight thousand eight hundred eighty-one

Notation

Scientific notation 7.1388881 × 10^7
Engineering notation 7.1388881 × 10^6

Prime Factorization of 71388881

Prime Factorization 83 × 860107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71388881
Product of the distinct prime numbers

The prime factorization of 71388881 is 83 × 860107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

2, 8, 88, 46, 259, 649, 7912, 5260, 7891, 32443, 111691, 793145, 8719564, 5047251, 36241897, 13523453, 513029784, 371477567, 4596066814, 2089226455

Basic calculations (n = 71388881)

Multiplication

n×y
n×2 142777762
n×3 214166643
n×4 285555524
n×5 356944405

Division

n÷y
n÷2 35694440.5
n÷3 23796293.666667
n÷3 17847220.25
n÷5 14277776.2

Exponentiation

ny
n2 5096372330432161
n3 3.6382431782891E+23
n4 2.5973010930395E+31
n5 1.8541841865216E+39

Nth Root

y√n
2√n 8449.1941035817
3√n 414.83640137914
4√n 91.919497951097
5√n 37.215693380205

Divisors of 71388881

1, 83, 860107, 71388881

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 -71388880
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 71388881 can be divided by 4 positive divisors. The sum of these divisors (counting 71388881) is 1, the average is 0.25.

Base conversion 71388881

Base System Value
2 Binary 100010000010100111011010001
3 Ternary 11222022221010122
4 Quaternary 10100110323101
5 Quinary 121233421011
6 Senary 11030040025
8 Octal 420247321
10 Decimal 71388881
12 Duodecimal 1baa9015
16 Hexadecimal 4414ed1
20 Vigesimal 1263c41
36 Base36 16i40h

Cryptographic Hash Functions

md5 c490bd0e27d335cc7bdf202319ccc958
sha1 a9e3b233fc2510f22e9d1196c942cdb1f2f6fdd9
sha256 fd79369626fdf3e348363651e3ceef9b4a59e036d59925c47eda082d2788cc5c
sha512 a0086850a853e6435c1fd8615387e6359dd3912fc3e5f242b2e586147eab443bf578f5f60061d9936292941b7d6a1ac6dc55673b23a7fb7b0730d849f0cc61bb
ripemd-160 191bc8fc00019b488f19574c28cd7cd580ad2706

71388881 as geometric shapes

Circle

Radius = n
Diameter 142777762
Circumference 448549568.19519
Area 1.6010725873244E+16

Sphere

Radius = n
Volume 1.5239837387848E+24
Surface area 6.4042903492976E+16
Circumference 448549568.19519

Square

Length = n
Perimeter 285555524
Area 5096372330432161
Diagonal 100959123.71284

Cube

Length = n
Surface area 30578233982592966
Volume 3.6382431782891E+23
Space diagonal 123649168.98749

Equilateral Triangle

Length = n
Perimeter 214166643
Area 2.2067939526492E+15
Altitude 61824584.493744

Triangular Pyramid

Length = n
Surface area 2.2067939526492E+15
Volume 4.2877107049566E+22
Height 33653041.237613