71397385 is an odd 8-digits composite number following 71397384
and preceding 71397386 . In scientific notation, it is written as 7.1397385 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 57117904 positive integers (up to 71397385) that are relatively prime to 71397385.
71397385 has 4 divisors, whose sum is 85676868
The reverse of 71397385 is 58379317
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
seventy-one million three hundred ninety-seven thousand three hundred eighty-five
Scientific notation
7.1397385 × 10^7
Engineering notation
7.1397385 × 10^6
Prime Factorization
5 × 14279477
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71397385
Product of the distinct prime numbers
The prime factorization of 71397385 is 5 × 14279477.
Since it has a total of 2 prime factors.
1 , 7 , 87 , 96 , 892 , 362 , 2117 , 2052 , 87503 , 36257 , 644008 , 169192 , 7608716 , 7632940 , 37743839 , 11519736 , 428538188 , 270835368 , 4885987913 , 1352013803
n×2
142794770
n×3
214192155
n×4
285589540
n×5
356986925
n÷2
35698692.5
n÷3
23799128.333333
n÷3
17849346.25
n÷5
14279477
n2
5097586584838225
n3
3.6395435196853E+23
n4
2.5985388989923E+31
n5
1.8552888220883E+39
2 √n
8449.6973318575
3 √n
414.85287279896
4 √n
91.922235241847
5 √n
37.216579980956
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
-71397384
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 71397385 can be divided by 4 positive divisors.
The sum of these divisors (counting 71397385) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010111000000001001
3
Ternary
11222100100210121
4
Quaternary
10100113000021
5
Quinary
121234204020
6
Senary
11030143241
8
Octal
420270011
10
Decimal
71397385
12
Duodecimal
1bab1b21
16
Hexadecimal
4417009
20
Vigesimal
1264d95
36
Base36
16iakp
md5
e4269aacaeaf5022ea973fd86445717b
sha1
9bab3acc51f49613d9afe7fc0ec4c70a851c938f
sha256
a52df7fbca1ea37bf74fbd9fa202dddf6086d70860d585fd7da13e9b6faba3a2
sha512
75ca895f1ce6f1df011e0b5e22360e7492efb7502c06980d67c20fa1f6aab3f385fa5e24125d510b0f9eeb4e0230aee5701e2327592c46bf1e121596b2d7fa9e
ripemd-160
412d1dacffbffb0b57278e3fe40620f55339c09c
Diameter
142794770
Circumference
448603000.40304
Area
1.6014540565966E+16
Volume
1.5245284245152E+24
Surface area
6.4058162263863E+16
Circumference
448603000.40304
Perimeter
285589540
Area
5097586584838225
Diagonal
100971150.18497
Surface area
30585519509029350
Volume
3.6395435196853E+23
Space diagonal
123663898.34756
Perimeter
214192155
Area
2.2073197402303E+15
Altitude
61831949.173778
Surface area
2.2073197402303E+15
Volume
4.2892431719884E+22
Height
33657050.061658