71388669 is an odd 8-digits composite number following 71388668
and preceding 71388670 . In scientific notation, it is written as 7.1388669 × 10^7.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 43265640 positive integers (up to 71388669) that are relatively prime to 71388669.
71388669 has 12 divisors, whose sum is 104625248
The reverse of 71388669 is 96688317
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-one million three hundred eighty-eight thousand six hundred sixty-nine
Scientific notation
7.1388669 × 10^7
Engineering notation
7.1388669 × 10^6
Prime Factorization
3 × 11 × 11 × 196663
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
6489879
Product of the distinct prime numbers
The prime factorization of 71388669 is 3 × 11 × 11 × 196663.
Since it has a total of 4 prime factors.
8 , 10 , 31 , 19 , 561 , 373 , 6924 , 1911 , 43688 , 95222 , 117813 , 223788 , 3910516 , 2938225 , 40930388 , 92556795 , 353446743 , 263625104 , 4313701812 , 796749985
n×2
142777338
n×3
214166007
n×4
285554676
n×5
356943345
n÷2
35694334.5
n÷3
23796223
n÷3
17847167.25
n÷5
14277733.8
n2
5096342061591561
n3
3.6382107654574E+23
n4
2.5972702408747E+31
n5
1.8541566552936E+39
2 √n
8449.1815579972
3 √n
414.83599073907
4 √n
91.919429708834
5 √n
37.215671276661
1 , 3 , 11 , 33 , 121 , 363 , 196663 , 589989 , 2163293 , 6489879 , 23796223 , 71388669
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388668
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388669 can be divided by 12 positive divisors.
The sum of these divisors (counting 71388669) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100110111111101
3
Ternary
11222022220211210
4
Quaternary
10100110313331
5
Quinary
121233414134
6
Senary
11030035033
8
Octal
420246775
10
Decimal
71388669
12
Duodecimal
1baa8a79
16
Hexadecimal
4414dfd
20
Vigesimal
1263bd9
36
Base36
16i3ul
md5
88698c393260f5ddfe2798f08780ea66
sha1
665c30f295ff27e1689b58dcce080db435956a7d
sha256
640738f9e65a608a0ed983955d94555a3a6530fc9718360e97793d52c84dfdd6
sha512
52101f5b9bdcb707dbebf23f7375b2a3474426868257b7781b8d0d805bc8f0905a8260c4313902e929f957bc2cea1dd977f088700af315769d247da241c961cc
ripemd-160
d40d906e1547a47f4c579a7986d83fffcf99cc3d
Diameter
142777338
Circumference
448548236.15991
Area
1.6010630780877E+16
Volume
1.5239701617296E+24
Surface area
6.4042523123507E+16
Circumference
448548236.15991
Perimeter
285554676
Area
5096342061591561
Diagonal
100958823.89956
Surface area
30578052369549366
Volume
3.6382107654574E+23
Space diagonal
123648801.79272
Perimeter
214166007
Area
2.2067808458567E+15
Altitude
61824400.896359
Surface area
2.2067808458567E+15
Volume
4.287672506068E+22
Height
33652941.299855