161361238 is an even 9-digits composite number following 161361237
and preceding 161361239 . In scientific notation, it is written as 1.61361238 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 77032296 positive integers (up to 161361238) that are relatively prime to 161361238.
161361238 has 16 divisors, whose sum is 253025280
The reverse of 161361238 is 832163161
Previous prime number is 607
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million three hundred sixty-one thousand two hundred thirty-eight
Scientific notation
1.61361238 × 10^8
Engineering notation
1.61361238 × 10^6
Prime Factorization
2 × 23 × 607 × 5779
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161361238
Product of the distinct prime numbers
The prime factorization of 161361238 is 2 × 23 × 607 × 5779.
Since it has a total of 4 prime factors.
10 , 9 , 33 , 44 , 554 , 601 , 9539 , 6972 , 27085 , 25076 , 532300 , 283971 , 1727088 , 6256751 , 48800934 , 14329273 , 219007075 , 260958530 , 3824077308 , 3045187092
n×2
322722476
n×3
484083714
n×4
645444952
n×5
806806190
n÷2
80680619
n÷3
53787079.333333
n÷3
40340309.5
n÷5
32272247.6
n2
26037449128892644
n3
4.2014350258001E+24
n4
6.7794875713967E+32
n5
1.0939465075262E+41
2 √n
12702.804336051
3 √n
544.41874792259
4 √n
112.70671823832
5 √n
43.808647297212
1 , 2 , 23 , 46 , 607 , 1214 , 5779 , 11558 , 13961 , 27922 , 132917 , 265834 , 3507853 , 7015706 , 80680619 , 161361238
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
-161361237
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 161361238 can be divided by 16 positive divisors.
The sum of these divisors (counting 161361238) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111100010110101010110
3
Ternary
102020122000000011
4
Quaternary
21213202311112
5
Quinary
312302024423
6
Senary
24002310434
8
Octal
1147426526
10
Decimal
161361238
12
Duodecimal
4605841a
16
Hexadecimal
99e2d56
20
Vigesimal
2a8a31i
36
Base36
2o2j4m
md5
6b29cbc72d61c0957475fee61c296ce3
sha1
2a7665b996229eea08266c898f70b0c7f1966e8e
sha256
0b9612d980e28ac211ddc02d101b6e2bd197832d90836a493ebae41569b3f409
sha512
b0d1f905646f8b5a342b7111172cebb6ccdb703ce4a6e43829cc09814dcb95c47c56737a025e166a6c52104ac3c87547a451783737a3ccd3152f826358e8cc68
ripemd-160
88f9cf668476c41f773aceac6121780da69c11e3
Diameter
322722476
Circumference
1013862559.7499
Area
8.1799058901547E+16
Volume
1.7598929882118E+25
Surface area
3.2719623560619E+17
Circumference
1013862559.7499
Perimeter
645444952
Area
26037449128892644
Diagonal
228199251.22091
Surface area
156224694773355864
Volume
4.2014350258001E+24
Space diagonal
279485862.58821
Perimeter
484083714
Area
1.1274546197683E+16
Altitude
139742931.29411
Surface area
1.1274546197683E+16
Volume
4.9514386624299E+23
Height
76066417.073638