71281208 is an even 8-digits composite number following 71281207
and preceding 71281209 . In scientific notation, it is written as 7.1281208 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 8 positive divisors.
There are 35640600 positive integers (up to 71281208) that are relatively prime to 71281208.
71281208 has 8 divisors, whose sum is 133652280
The reverse of 71281208 is 80218217
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
seventy-one million two hundred eighty-one thousand two hundred eight
Scientific notation
7.1281208 × 10^7
Engineering notation
7.1281208 × 10^6
Prime Factorization
2 × 2 × 2 × 8910151
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
17820302
Product of the distinct prime numbers
The prime factorization of 71281208 is 2 × 2 × 2 × 8910151.
Since it has a total of 4 prime factors.
6 , 10 , 75 , 87 , 264 , 212 , 9464 , 4069 , 25895 , 35080 , 702249 , 810624 , 9958676 , 315904 , 47227064 , 11947865 , 506172503 , 386493742 , 2598096908 , 2224504770
n×2
142562416
n×3
213843624
n×4
285124832
n×5
356406040
n÷2
35640604
n÷3
23760402.666667
n÷3
17820302
n÷5
14256241.6
n2
5081010613939264
n3
3.6218057442241E+23
n4
2.5816668858963E+31
n5
1.8402433428029E+39
2 √n
8442.8199080639
3 √n
414.62773604088
4 √n
91.884818702895
5 √n
37.204460412263
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71281207
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71281208 can be divided by 8 positive divisors.
The sum of these divisors (counting 71281208) is 1, the average is 0.125.
Base
System
Value
2
Binary
100001111111010101000111000
3
Ternary
11222010110102202
4
Quaternary
10033322220320
5
Quinary
121221444313
6
Senary
11023445332
8
Octal
417725070
10
Decimal
71281208
12
Duodecimal
1ba56848
16
Hexadecimal
43faa38
20
Vigesimal
125a308
36
Base36
16fsxk
md5
06bcec0f39ca6b34c92da1cdda5c1ca1
sha1
3cf5ab9103ff1fee1eaf265e6f68ae79dcd98d49
sha256
3ad6d69d2d1dc3341698a6b4e6e84defe2d484f485fb464b30157055931154c7
sha512
8577c7ff36f1344c639e854c81e381aa58a904041866fd7bace8663ba3cbbd6f3d9b7d1b701181fd483a37897e37d0e1f1f22d9992c045b7a54aae17f72b9c23
ripemd-160
b3be32c2bdb5e9fd257da0d1ed4bc95cf3cc5332
Diameter
142562416
Circumference
447873038.78361
Area
1.5962465617563E+16
Volume
1.5170984425045E+24
Surface area
6.3849862470253E+16
Circumference
447873038.78361
Perimeter
285124832
Area
5081010613939264
Diagonal
100806851.09594
Surface area
30486063683635584
Volume
3.6218057442241E+23
Space diagonal
123462673.88089
Perimeter
213843624
Area
2.2001421342849E+15
Altitude
61731336.940443
Surface area
2.2001421342849E+15
Volume
4.2683390031354E+22
Height
33602283.698646