71388878 is an even 8-digits composite number following 71388877
and preceding 71388879 . In scientific notation, it is written as 7.1388878 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 32398200 positive integers (up to 71388878) that are relatively prime to 71388878.
71388878 has 16 divisors, whose sum is 117002880
The reverse of 71388878 is 87888317
Previous prime number is 739
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-one million three hundred eighty-eight thousand eight hundred seventy-eight
Scientific notation
7.1388878 × 10^7
Engineering notation
7.1388878 × 10^6
Prime Factorization
2 × 11 × 739 × 4391
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71388878
Product of the distinct prime numbers
The prime factorization of 71388878 is 2 × 11 × 739 × 4391.
Since it has a total of 4 prime factors.
7 , 9 , 42 , 15 , 890 , 50 , 5282 , 1017 , 9396 , 10267 , 502124 , 59112 , 7035784 , 1549763 , 16906586 , 60419043 , 126697463 , 866127141 , 9067393921 , 3449052282
n×2
142777756
n×3
214166634
n×4
285555512
n×5
356944390
n÷2
35694439
n÷3
23796292.666667
n÷3
17847219.5
n÷5
14277775.6
n2
5096371902098884
n3
3.6382427196157E+23
n4
2.5973006564503E+31
n5
1.8541837969265E+39
2 √n
8449.19392605
3 √n
414.8363955682
4 √n
91.919496985406
5 √n
37.215693067419
1 , 2 , 11 , 22 , 739 , 1478 , 4391 , 8129 , 8782 , 16258 , 48301 , 96602 , 3244949 , 6489898 , 35694439 , 71388878
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
-71388877
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 71388878 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388878) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100111011001110
3
Ternary
11222022221010112
4
Quaternary
10100110323032
5
Quinary
121233421003
6
Senary
11030040022
8
Octal
420247316
10
Decimal
71388878
12
Duodecimal
1baa9012
16
Hexadecimal
4414ece
20
Vigesimal
1263c3i
36
Base36
16i40e
md5
031e6ff9e7828f85922dfc09b63688cd
sha1
e1e3e54df5228341fc6d469e082449f5d11b1b9e
sha256
3c71887373a5e416e21cb353c5e0696bca777431f63dff90c52f128a9503e5c1
sha512
ef07c3db1bc1c11211e6a722dba99dd245a601d0b61efac1076c9729ab04d26d6f779889f9d89b40e233fe0cdd32cb446473eef2cbca291474d8c6adce7f42c7
ripemd-160
345f1de01271ef4b1974c56a3916400b15afee81
Diameter
142777756
Circumference
448549549.34564
Area
1.6010724527595E+16
Volume
1.5239835466561E+24
Surface area
6.4042898110381E+16
Circumference
448549549.34564
Perimeter
285555512
Area
5096371902098884
Diagonal
100959119.4702
Surface area
30578231412593304
Volume
3.6382427196157E+23
Space diagonal
123649163.79134
Perimeter
214166634
Area
2.2067937671754E+15
Altitude
61824581.895668
Surface area
2.2067937671754E+15
Volume
4.2877101644047E+22
Height
33653039.823399