71397231 is an odd 8-digits composite number following 71397230
and preceding 71397232 . In scientific notation, it is written as 7.1397231 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 44651520 positive integers (up to 71397231) that are relatively prime to 71397231.
71397231 has 16 divisors, whose sum is 101187840
The reverse of 71397231 is 13279317
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-one million three hundred ninety-seven thousand two hundred thirty-one
Scientific notation
7.1397231 × 10^7
Engineering notation
7.1397231 × 10^6
Prime Factorization
3 × 103 × 19 × 12161
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71397231
Product of the distinct prime numbers
The prime factorization of 71397231 is 3 × 103 × 19 × 12161.
Since it has a total of 4 prime factors.
1 , 1 , 70 , 19 , 339 , 584 , 1379 , 4188 , 88822 , 52477 , 28641 , 782872 , 9781273 , 8893066 , 34848491 , 6614375 , 8381014 , 525434060 , 1049573699 , 8163622772
n×2
142794462
n×3
214191693
n×4
285588924
n×5
356986155
n÷2
35698615.5
n÷3
23799077
n÷3
17849307.75
n÷5
14279446.2
n2
5097564594467361
n3
3.6395199688861E+23
n4
2.5985164794767E+31
n5
1.8552688134251E+39
2 √n
8449.6882191002
3 √n
414.85257452758
4 √n
91.922185674081
5 √n
37.216563926143
1 , 3 , 19 , 57 , 103 , 309 , 1957 , 5871 , 12161 , 36483 , 231059 , 693177 , 1252583 , 3757749 , 23799077 , 71397231
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
-71397230
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 71397231 can be divided by 16 positive divisors.
The sum of these divisors (counting 71397231) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010110111101101111
3
Ternary
11222100100120220
4
Quaternary
10100112331233
5
Quinary
121234202411
6
Senary
11030142423
8
Octal
420267557
10
Decimal
71397231
12
Duodecimal
1bab1a13
16
Hexadecimal
4416f6f
20
Vigesimal
1264d1b
36
Base36
16iagf
md5
66b831e24d7e60fb3ea45a35cd80ccbc
sha1
20cf1179f35df73361c64dda2570f87591a01a53
sha256
0975f16cc0d47716706330cbd40ea9849202add11510dcb990c7985434c4e67d
sha512
3ef9f125e6dff181d58b046e3807c41c006b7f7e38a96a6ae632055bd10791e9cbf09115f1268fe456f4b9fcea735160b000cbe7300e45bc89eb2a39af138c6c
ripemd-160
d056e98c7d8f58934976e902d1d4af1bb6cc1c13
Diameter
142794462
Circumference
448602032.79251
Area
1.6014471481178E+16
Volume
1.5245185595794E+24
Surface area
6.4057885924712E+16
Circumference
448602032.79251
Perimeter
285588924
Area
5097564594467361
Diagonal
100970932.39608
Surface area
30585387566804166
Volume
3.6395199688861E+23
Space diagonal
123663631.61173
Perimeter
214191693
Area
2.2073102181204E+15
Altitude
61831815.805866
Surface area
2.2073102181204E+15
Volume
4.2892154171053E+22
Height
33656977.465362