71388916 is an even 8-digits composite number following 71388915
and preceding 71388917 . In scientific notation, it is written as 7.1388916 × 10^7.
The sum of its digits is 43. It has a total of 4 prime factors and 12 positive divisors.
There are 33594752 positive integers (up to 71388916) that are relatively prime to 71388916.
71388916 has 12 divisors, whose sum is 132279588
The reverse of 71388916 is 61988317
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred eighty-eight thousand nine hundred sixteen
Scientific notation
7.1388916 × 10^7
Engineering notation
7.1388916 × 10^6
Prime Factorization
2 × 2 × 17 × 1049837
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35694458
Product of the distinct prime numbers
The prime factorization of 71388916 is 2 × 2 × 17 × 1049837.
Since it has a total of 4 prime factors.
9 , 5 , 13 , 7 , 804 , 441 , 4923 , 59 , 96076 , 90723 , 778198 , 17335 , 338450 , 216754 , 85778624 , 45779145 , 769977142 , 581697234 , 2845253424 , 4293571834
n×2
142777832
n×3
214166748
n×4
285555664
n×5
356944580
n÷2
35694458
n÷3
23796305.333333
n÷3
17847229
n÷5
14277783.2
n2
5096377327655056
n3
3.6382485294827E+23
n4
2.5973061865836E+31
n5
1.854188731803E+39
2 √n
8449.1961747849
3 √n
414.83646917341
4 √n
91.919509217494
5 √n
37.21569702937
1 , 2 , 4 , 17 , 34 , 68 , 1049837 , 2099674 , 4199348 , 17847229 , 35694458 , 71388916
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
-71388915
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 71388916 can be divided by 12 positive divisors.
The sum of these divisors (counting 71388916) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100010000010100111011110100
3
Ternary
11222022221011221
4
Quaternary
10100110323310
5
Quinary
121233421131
6
Senary
11030040124
8
Octal
420247364
10
Decimal
71388916
12
Duodecimal
1baa9044
16
Hexadecimal
4414ef4
20
Vigesimal
1263c5g
36
Base36
16i41g
md5
cddc542fcfedb6c8b767683c81c9b9f7
sha1
d2400231e5f527c9d58b2de59941f86f17a9911a
sha256
6319c9b912341434b8de06e1040a04e6082e11056e4c67e352202c980b4e6d2c
sha512
78521247aa6c789e59cc107cf698809d5936a8a588ab5b5cf3938764b5c0f1728a7360d32a99b3ad3b0aa105694da1966d332a38b31a5e4121d461d773641977
ripemd-160
39aa9333f9f7df0bb6e832f705ec6fd155170369
Diameter
142777832
Circumference
448549788.10668
Area
1.6010741572483E+16
Volume
1.5239859802876E+24
Surface area
6.4042966289931E+16
Circumference
448549788.10668
Perimeter
285555664
Area
5096377327655056
Diagonal
100959173.21031
Surface area
30578263965930336
Volume
3.6382485294827E+23
Space diagonal
123649229.60927
Perimeter
214166748
Area
2.2067961165102E+15
Altitude
61824614.804633
Surface area
2.2067961165102E+15
Volume
4.2877170113987E+22
Height
33653057.736771