71281946 is an even 8-digits composite number following 71281945
and preceding 71281947 . In scientific notation, it is written as 7.1281946 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 35274336 positive integers (up to 71281946) that are relatively prime to 71281946.
71281946 has 16 divisors, whose sum is 108029376
The reverse of 71281946 is 64918217
Previous prime number is 467
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million two hundred eighty-one thousand nine hundred forty-six
Scientific notation
7.1281946 × 10^7
Engineering notation
7.1281946 × 10^6
Prime Factorization
2 × 167 × 467 × 457
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
71281946
Product of the distinct prime numbers
The prime factorization of 71281946 is 2 × 167 × 467 × 457.
Since it has a total of 4 prime factors.
1 , 10 , 25 , 30 , 407 , 63 , 5686 , 8706 , 20608 , 81645 , 625875 , 97371 , 5846956 , 2197333 , 90665912 , 91958914 , 855868234 , 578636215 , 2030965818 , 8318433172
n×2
142563892
n×3
213845838
n×4
285127784
n×5
356409730
n÷2
35640973
n÷3
23760648.666667
n÷3
17820486.5
n÷5
14256389.2
n2
5081115825546916
n3
3.6219182389638E+23
n4
2.5817738032623E+31
n5
1.8403386082836E+39
2 √n
8442.8636137273
3 √n
414.629166966
4 √n
91.885056531121
5 √n
37.204537450178
1 , 2 , 167 , 334 , 457 , 467 , 914 , 934 , 76319 , 77989 , 152638 , 155978 , 213419 , 426838 , 35640973 , 71281946
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
-71281945
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 71281946 can be divided by 16 positive divisors.
The sum of these divisors (counting 71281946) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100001111111010110100011010
3
Ternary
11222010111110002
4
Quaternary
10033322310122
5
Quinary
121222010241
6
Senary
11023453002
8
Octal
417726432
10
Decimal
71281946
12
Duodecimal
1ba57162
16
Hexadecimal
43fad1a
20
Vigesimal
125a4h6
36
Base36
16fti2
md5
55b20f5e6786ee7ff773358e862bface
sha1
ade61c069499811c853a1d1255c65dd93cca1c55
sha256
aafd4e7f32f3e44941911be0121f400a912248f1536b57db2d4dfc70797f9063
sha512
82b0a011259d2ee15f1c7fbffcaa20085507df4a81902fbafbe5e98a398daa0683f901b7bec3968a2dcce3f560cd33783d828d417dc033cd257c2cbacc5d130e
ripemd-160
9e723797f21a46a44b1479c2d70ccfafd300b85e
Diameter
142563892
Circumference
447877675.77437
Area
1.5962796149577E+16
Volume
1.5171455641909E+24
Surface area
6.3851184598308E+16
Circumference
447877675.77437
Perimeter
285127784
Area
5081115825546916
Diagonal
100807894.78555
Surface area
30486694953281496
Volume
3.6219182389638E+23
Space diagonal
123463952.13438
Perimeter
213845838
Area
2.2001876922474E+15
Altitude
61731976.067191
Surface area
2.2001876922474E+15
Volume
4.2684715794576E+22
Height
33602631.595182