71398972 is an even 8-digits composite number following 71398971
and preceding 71398973 . In scientific notation, it is written as 7.1398972 × 10^7.
The sum of its digits is 46. It has a total of 3 prime factors and 6 positive divisors.
There are 35699484 positive integers (up to 71398972) that are relatively prime to 71398972.
71398972 has 6 divisors, whose sum is 124948208
The reverse of 71398972 is 27989317
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 46
Digital Root 1
Name
seventy-one million three hundred ninety-eight thousand nine hundred seventy-two
Scientific notation
7.1398972 × 10^7
Engineering notation
7.1398972 × 10^6
Prime Factorization
2 × 2 × 17849743
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
35699486
Product of the distinct prime numbers
The prime factorization of 71398972 is 2 × 2 × 17849743.
Since it has a total of 3 prime factors.
4 , 8 , 99 , 86 , 654 , 5 , 2457 , 6567 , 63828 , 52930 , 53714 , 927724 , 4896722 , 1571281 , 63518514 , 90611727 , 837331284 , 927058930 , 9047576321 , 2053295551
n×2
142797944
n×3
214196916
n×4
285595888
n×5
356994860
n÷2
35699486
n÷3
23799657.333333
n÷3
17849743
n÷5
14279794.4
n2
5097813202656784
n3
3.6397862211772E+23
n4
2.5987699449182E+31
n5
1.8554950253165E+39
2 √n
8449.7912400248
3 √n
414.85594651858
4 √n
91.922746042668
5 √n
37.216745427316
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398972 can be divided by 6 positive divisors.
The sum of these divisors (counting 71398972) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
100010000010111011000111100
3
Ternary
11222100102222101
4
Quaternary
10100113120330
5
Quinary
121234231342
6
Senary
11030154444
8
Octal
420273074
10
Decimal
71398972
12
Duodecimal
1bab2a24
16
Hexadecimal
441763c
20
Vigesimal
1264h8c
36
Base36
16ibss
md5
3dd34ed78791c0672858f5d9bc4328cb
sha1
06923095f49c4631b1c32863abc32dbfdaa0d054
sha256
05281d2462ac3cc789a283b90020d3bbd55710355d8024754e339a574ce107f0
sha512
0d6c38547c26250231071166ce29fe4b5a49e249940877ee29d91ab16eb6d40d9c901b13726ecf02db57f174863094f9d8df25f7d4f3e099e58f2477599603e8
ripemd-160
dfe16c27f1d38903ec165e9187c21358b40b8f74
Diameter
142797944
Circumference
448612971.81813
Area
1.601525250684E+16
Volume
1.5246300870784E+24
Surface area
6.4061010027358E+16
Circumference
448612971.81813
Perimeter
285595888
Area
5097813202656784
Diagonal
100973394.5419
Surface area
30586879215940704
Volume
3.6397862211772E+23
Space diagonal
123666647.11219
Perimeter
214196916
Area
2.2074178686242E+15
Altitude
61833323.556094
Surface area
2.2074178686242E+15
Volume
4.2895291984396E+22
Height
33657798.180632