71421994 is an even 8-digits composite number following 71421993
and preceding 71421995 . In scientific notation, it is written as 7.1421994 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 30470832 positive integers (up to 71421994) that are relatively prime to 71421994.
71421994 has 16 divisors, whose sum is 122992128
The reverse of 71421994 is 49912417
Previous prime number is 223
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million four hundred twenty-one thousand nine hundred ninety-four
Scientific notation
7.1421994 × 10^7
Engineering notation
7.1421994 × 10^6
Prime Factorization
2 × 7 × 223 × 22877
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71421994
Product of the distinct prime numbers
The prime factorization of 71421994 is 2 × 7 × 223 × 22877.
Since it has a total of 4 prime factors.
10 , 3 , 33 , 81 , 27 , 52 , 8486 , 6868 , 47473 , 48835 , 995579 , 38475 , 1908882 , 495996 , 98632790 , 70716645 , 581477317 , 958616042 , 5700632847 , 7335162161
n×2
142843988
n×3
214265982
n×4
285687976
n×5
357109970
n÷2
35710997
n÷3
23807331.333333
n÷3
17855498.5
n÷5
14284398.8
n2
5101101226936036
n3
3.6433082122362E+23
n4
2.6021233727448E+31
n5
1.8584883991544E+39
2 √n
8451.1534124047
3 √n
414.90053066777
4 √n
91.930155076584
5 √n
37.219145163342
1 , 2 , 7 , 14 , 223 , 446 , 1561 , 3122 , 22877 , 45754 , 160139 , 320278 , 5101571 , 10203142 , 35710997 , 71421994
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
-71421993
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 71421994 can be divided by 16 positive divisors.
The sum of these divisors (counting 71421994) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000011101000000101010
3
Ternary
11222101121120001
4
Quaternary
10100131000222
5
Quinary
121241000434
6
Senary
11030453214
8
Octal
420350052
10
Decimal
71421994
12
Duodecimal
1bb0420a
16
Hexadecimal
441d02a
20
Vigesimal
1267eje
36
Base36
16itka
md5
abe54fee5d5f07db81a7cd9e3d441fa1
sha1
12d283740b0ad1def3792f6dcf2898fcf6bd9ba2
sha256
798734c55c36adf5ee1748cbbdfd8c66e60f1e1693cb57d12e7c693ca9828976
sha512
2fff509fb78e8cb357145674c0e979005dcf132a7d5c4f5f8f9c7cd42a0f2fd3090d11aef8e2d951f0133de3ea4db6566b032f42e530b30068b13612f63ec869
ripemd-160
cf23808754e5e7bca3c2d9e77d76a8c900433d30
Diameter
142843988
Circumference
448757623.31027
Area
1.602558213976E+16
Volume
1.5261053752433E+24
Surface area
6.4102328559041E+16
Circumference
448757623.31027
Perimeter
285687976
Area
5101101226936036
Diagonal
101005952.56653
Surface area
30606607361616216
Volume
3.6433082122362E+23
Space diagonal
123706522.38588
Perimeter
214265982
Area
2.2088416249013E+15
Altitude
61853261.19294
Surface area
2.2088416249013E+15
Volume
4.2936799047081E+22
Height
33668650.85551