71398665 is an odd 8-digits composite number following 71398664
and preceding 71398666 . In scientific notation, it is written as 7.1398665 × 10^7.
The sum of its digits is 45. It has a total of 5 prime factors and 32 positive divisors.
There are 34473600 positive integers (up to 71398665) that are relatively prime to 71398665.
71398665 has 32 divisors, whose sum is 116785152
The reverse of 71398665 is 56689317
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
seventy-one million three hundred ninety-eight thousand six hundred sixty-five
Scientific notation
7.1398665 × 10^7
Engineering notation
7.1398665 × 10^6
Prime Factorization
5 × 351 × 3 × 71 × 191
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71398665
Product of the distinct prime numbers
The prime factorization of 71398665 is 5 × 351 × 3 × 71 × 191.
Since it has a total of 5 prime factors.
7 , 6 , 14 , 90 , 662 , 123 , 5270 , 5992 , 77621 , 45157 , 117183 , 182589 , 870400 , 5979746 , 54109906 , 47356476 , 641850556 , 797820169 , 5147560107 , 5953847001
n×2
142797330
n×3
214195995
n×4
285594660
n×5
356993325
n÷2
35699332.5
n÷3
23799555
n÷3
17849666.25
n÷5
14279733
n2
5097769363782225
n3
3.6397392705195E+23
n4
2.5987252486317E+31
n5
1.8554551345409E+39
2 √n
8449.773073876
3 √n
414.85535192105
4 √n
91.922647230571
5 √n
37.216713422484
1 , 3 , 5 , 15 , 71 , 191 , 213 , 351 , 355 , 573 , 955 , 1053 , 1065 , 1755 , 2865 , 5265 , 13561 , 24921 , 40683 , 67041 , 67805 , 74763 , 124605 , 201123 , 203415 , 335205 , 373815 , 1005615 , 4759911 , 14279733 , 23799555 , 71398665
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71398664
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71398665 can be divided by 32 positive divisors.
The sum of these divisors (counting 71398665) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010000010111010100001001
3
Ternary
11222100102120000
4
Quaternary
10100113110021
5
Quinary
121234224130
6
Senary
11030153213
8
Octal
420272411
10
Decimal
71398665
12
Duodecimal
1bab2809
16
Hexadecimal
4417509
20
Vigesimal
1264gd5
36
Base36
16ibk9
md5
96d09e9b2dfa4c2a77618b21dbb7ffeb
sha1
9d79c1de364f99d1bb3f66eb16b4b73919310207
sha256
a39f8d58ead031540e2461462370158486be22f45ca86893e3830f9e90b7a461
sha512
0127cd358318d9574ebbf49d08d4ab71d7a27ab659a05405c3244954d1194efe63d08d4b5cab5fd435d562ad93815efbe093d1920e621e1b1956da2d37da1144
ripemd-160
7609a4841a24e32624c22f78cb3f9e58d6fcb281
Diameter
142797330
Circumference
448611042.88024
Area
1.6015114782953E+16
Volume
1.5246104204328E+24
Surface area
6.4060459131813E+16
Circumference
448611042.88024
Perimeter
285594660
Area
5097769363782225
Diagonal
100972960.37833
Surface area
30586616182693350
Volume
3.6397392705195E+23
Space diagonal
123666115.37259
Perimeter
214195995
Area
2.2073988858347E+15
Altitude
61833057.686295
Surface area
2.2073988858347E+15
Volume
4.2894738665589E+22
Height
33657653.459444