71249690 is an even 8-digits composite number following 71249689
and preceding 71249691 . In scientific notation, it is written as 7.1249690 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 28156176 positive integers (up to 71249690) that are relatively prime to 71249690.
71249690 has 16 divisors, whose sum is 129796128
The reverse of 71249690 is 09694217
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million two hundred forty-nine thousand six hundred ninety
Scientific notation
7.1249690 × 10^7
Engineering notation
7.1249690 × 10^6
Prime Factorization
2 × 5 × 83 × 85843
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71249690
Product of the distinct prime numbers
The prime factorization of 71249690 is 2 × 5 × 83 × 85843.
Since it has a total of 4 prime factors.
2 , 8 , 28 , 63 , 393 , 661 , 7478 , 6980 , 78897 , 15086 , 346010 , 818973 , 9362006 , 298796 , 63877324 , 80783255 , 548260503 , 33305051 , 36574282 , 8144449672
n×2
142499380
n×3
213749070
n×4
284998760
n×5
356248450
n÷2
35624845
n÷3
23749896.666667
n÷3
17812422.5
n÷5
14249938
n2
5076518325096100
n3
3.6170035694242E+23
n4
2.5771038305037E+31
n5
1.836178490212E+39
2 √n
8440.9531452319
3 √n
414.56661584793
4 √n
91.874659973422
5 √n
37.201169733932
1 , 2 , 5 , 10 , 83 , 166 , 415 , 830 , 85843 , 171686 , 429215 , 858430 , 7124969 , 14249938 , 35624845 , 71249690
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
-71249689
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 71249690 can be divided by 16 positive divisors.
The sum of these divisors (counting 71249690) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111110010111100011010
3
Ternary
11222001212012102
4
Quaternary
10033302330122
5
Quinary
121214442230
6
Senary
11023043402
8
Octal
417627432
10
Decimal
71249690
12
Duodecimal
1ba40562
16
Hexadecimal
43f2f1a
20
Vigesimal
125644a
36
Base36
16f4m2
md5
e5f87bf4cd889890fefaa4656fb9f79e
sha1
c5a90ec7a30414b3b7616cd2e8fe1cd3322371d5
sha256
e7a08e7fad59fdfe93877503977f26fe6fbc373c23eb8dbb5cbf0bdfa303485c
sha512
67f2bd835fa920ea2d928472ef8d87e26c6f72c95320a1df78b9064ef8a82e8ab376e6819f3fb4cc255eef05dd981d99a0edcefaba531686c5676a010dd2d390
ripemd-160
70aec12ab5ab86e479f26c52c3fcb602fa99516c
Diameter
142499380
Circumference
447675005.3491
Area
1.5948352675936E+16
Volume
1.5150869122281E+24
Surface area
6.3793410703743E+16
Circumference
447675005.3491
Perimeter
284998760
Area
5076518325096100
Diagonal
100762277.91288
Surface area
30459109950576600
Volume
3.6170035694242E+23
Space diagonal
123408083.10353
Perimeter
213749070
Area
2.1981969161552E+15
Altitude
61704041.551766
Surface area
2.1981969161552E+15
Volume
4.2626795858596E+22
Height
33587425.97096