281640164 is an even 9-digits composite number following 281640163
and preceding 281640165 . In scientific notation, it is written as 2.81640164 × 10^8.
The sum of its digits is 32. It has a total of 4 prime factors and 12 positive divisors.
There are 129987744 positive integers (up to 281640164) that are relatively prime to 281640164.
281640164 has 12 divisors, whose sum is 530783484
The reverse of 281640164 is 461046182
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 32
Digital Root 5
Name
two hundred eighty-one million six hundred forty thousand one hundred sixty-four
Scientific notation
2.81640164 × 10^8
Engineering notation
2.81640164 × 10^6
Prime Factorization
2 × 2 × 13 × 5416157
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
140820082
Product of the distinct prime numbers
The prime factorization of 281640164 is 2 × 2 × 13 × 5416157.
Since it has a total of 4 prime factors.
3 , 8 , 86 , 24 , 795 , 431 , 8504 , 9331 , 17234 , 2239 , 644647 , 508184 , 3800634 , 9434435 , 22060305 , 78312047 , 986929525 , 989155635 , 741351130 , 9316153434
n×2
563280328
n×3
844920492
n×4
1126560656
n×5
1408200820
n÷2
140820082
n÷3
93880054.666667
n÷3
70410041
n÷5
56328032.8
n2
79321181977946896
n3
2.2340030700943E+25
n4
6.2918499103786E+33
n5
1.7720376406224E+42
2 √n
16782.138242787
3 √n
655.48817713879
4 √n
129.54589241958
5 √n
48.970993820462
1 , 2 , 4 , 13 , 26 , 52 , 5416157 , 10832314 , 21664628 , 70410041 , 140820082 , 281640164
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
-281640163
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 281640164 can be divided by 12 positive divisors.
The sum of these divisors (counting 281640164) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000110010010111110011100100
3
Ternary
201121221210200012
4
Quaternary
100302113303210
5
Quinary
1034044441124
6
Senary
43540305352
8
Octal
2062276344
10
Decimal
281640164
12
Duodecimal
7a3a2258
16
Hexadecimal
10c97ce4
20
Vigesimal
4805084
36
Base36
4noixw
md5
54877fcefaa450010640a6776f1e1867
sha1
3072aa0367c30eb4c5cb96acbad0c4c3e367b0c4
sha256
7a1ce010f4edc64de8cbe1b592d7485790a04ade7de2565ec59ec8c45a0c9bb4
sha512
f189126bba263fa4362d227dc3c1516b289b51f3a8b72bbd58c8587126c0516553b24c398c561892fc180b52042ce33c9f0fbc705e9da299e52be27ab5a7a27c
ripemd-160
d7fecd7c9fe607d1d1d1f6d71d2f4bb66349d4da
Diameter
563280328
Circumference
1769597340.3564
Area
2.4919484257598E+17
Volume
9.3577701774736E+25
Surface area
9.9677937030391E+17
Circumference
1769597340.3564
Perimeter
1126560656
Area
79321181977946896
Diagonal
398299339.63778
Surface area
475927091867681376
Volume
2.2340030700943E+25
Space diagonal
487815073.50003
Perimeter
844920492
Area
3.4347079325555E+16
Altitude
243907536.75002
Surface area
3.4347079325555E+16
Volume
2.6327978667587E+24
Height
132766446.54593