71886989 is an odd 8-digits composite number following 71886988
and preceding 71886990 . In scientific notation, it is written as 7.1886989 × 10^7.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 71859324 positive integers (up to 71886989) that are relatively prime to 71886989.
71886989 has 4 divisors, whose sum is 71914656
The reverse of 71886989 is 98968817
Previous prime number is 2903
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-one million eight hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
7.1886989 × 10^7
Engineering notation
7.1886989 × 10^6
Prime Factorization
2903 × 24763
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71886989
Product of the distinct prime numbers
The prime factorization of 71886989 is 2903 × 24763.
Since it has a total of 2 prime factors.
10 , 2 , 64 , 31 , 638 , 979 , 5938 , 405 , 99395 , 99890 , 492633 , 968364 , 417762 , 2533687 , 37112595 , 60094014 , 139207993 , 440991642 , 2428068545 , 9308876973
n×2
143773978
n×3
215660967
n×4
287547956
n×5
359434945
n÷2
35943494.5
n÷3
23962329.666667
n÷3
17971747.25
n÷5
14377397.8
n2
5167739187486121
n3
3.7149321012568E+23
n4
2.670552830988E+31
n5
1.9197800198515E+39
2 √n
8478.6195220684
3 √n
415.79899104564
4 √n
92.079419644503
5 √n
37.267482714127
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
-71886988
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 71886989 can be divided by 4 positive divisors.
The sum of these divisors (counting 71886989) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010010001110100010001101
3
Ternary
12000021020102002
4
Quaternary
10102032202031
5
Quinary
121400340424
6
Senary
11044442045
8
Octal
422164215
10
Decimal
71886989
12
Duodecimal
200a9325
16
Hexadecimal
448e88d
20
Vigesimal
1295h99
36
Base36
16ssct
md5
47043b9f15aef4ffe421498172b0d89a
sha1
3e9257484da7479a532f2ef3d79a144302009f0d
sha256
d5ea9d98671591338755bdfa26b46a4db62a58189a15e6e7c9e9f7e3b7df9a2d
sha512
bcf91231a697acc0e7665a888566c2e8deb960e81a1b2e0f9422f7fc9ea0fd484c1f7044543f543813954d9cea0c26c1a7db8d7fc5fd6cbdac3a4e17b0225819
ripemd-160
9087f676698f7f64f1600f98ea1b91050a6b2e9f
Diameter
143773978
Circumference
451679273.06218
Area
1.6234931467074E+16
Volume
1.5561071197191E+24
Surface area
6.4939725868298E+16
Circumference
451679273.06218
Perimeter
287547956
Area
5167739187486121
Diagonal
101663554.80197
Surface area
31006435124916726
Volume
3.7149321012568E+23
Space diagonal
124511917.35114
Perimeter
215660967
Area
2.2376967082477E+15
Altitude
62255958.675572
Surface area
2.2376967082477E+15
Volume
4.3780894674105E+22
Height
33887851.600655