71291972 is an even 8-digits composite number following 71291971
and preceding 71291973 . In scientific notation, it is written as 7.1291972 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 35558016 positive integers (up to 71291972) that are relatively prime to 71291972.
71291972 has 12 divisors, whose sum is 125068860
The reverse of 71291972 is 27919217
Previous prime number is 409
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million two hundred ninety-one thousand nine hundred seventy-two
Scientific notation
7.1291972 × 10^7
Engineering notation
7.1291972 × 10^6
Prime Factorization
2 × 2 × 409 × 43577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
35645986
Product of the distinct prime numbers
The prime factorization of 71291972 is 2 × 2 × 409 × 43577.
Since it has a total of 4 prime factors.
7 , 2 , 34 , 80 , 450 , 279 , 9206 , 5663 , 57241 , 62012 , 295531 , 986752 , 5860409 , 6618714 , 35996862 , 13682782 , 434267517 , 533157020 , 7500101191 , 2467906727
n×2
142583944
n×3
213875916
n×4
285167888
n×5
356459860
n÷2
35645986
n÷3
23763990.666667
n÷3
17822993
n÷5
14258394.4
n2
5082545271648784
n3
3.6234467519512E+23
n4
2.5832266438359E+31
n5
1.8416332156201E+39
2 √n
8443.4573487405
3 √n
414.64860562883
4 √n
91.888287331632
5 √n
37.205583975221
1 , 2 , 4 , 409 , 818 , 1636 , 43577 , 87154 , 174308 , 17822993 , 35645986 , 71291972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71291971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291972 can be divided by 12 positive divisors.
The sum of these divisors (counting 71291972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100001111111101010001000100
3
Ternary
11222011000012102
4
Quaternary
10033331101010
5
Quinary
121222320342
6
Senary
11024011232
8
Octal
417752104
10
Decimal
71291972
12
Duodecimal
1ba60b18
16
Hexadecimal
43fd444
20
Vigesimal
125b9ic
36
Base36
16g18k
md5
d0a537d6c6bb4858b16a57991cd3803f
sha1
764312b22739bf56c8c0a4262cc1072b52395cf6
sha256
4b2dda29d1947bd5dee8e5bb2e0d4c37e6c791ccf3e71320b97bc84825c92748
sha512
851d8af49b6a789ae7bbdd7e0f01b3245595d55ac45770bfb2a5a153a495c9a165fa4dc49dadefa9f22fbd8557b2ce942ad0252504c1746fa653a7b86d043581
ripemd-160
345847767702cd9a03f492d14df5ae72f5c2acf9
Diameter
142583944
Circumference
447940670.99026
Area
1.5967286886949E+16
Volume
1.5177858262138E+24
Surface area
6.3869147547797E+16
Circumference
447940670.99026
Perimeter
285167888
Area
5082545271648784
Diagonal
100822073.69072
Surface area
30495271629892704
Volume
3.6234467519512E+23
Space diagonal
123481317.67578
Perimeter
213875916
Area
2.2008066605662E+15
Altitude
61740658.837889
Surface area
2.2008066605662E+15
Volume
4.2702729492884E+22
Height
33607357.896908