161361237 is an odd 9-digits composite number following 161361236
and preceding 161361238 . In scientific notation, it is written as 1.61361237 × 10^8.
The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors.
There are 107543520 positive integers (up to 161361237) that are relatively prime to 161361237.
161361237 has 8 divisors, whose sum is 215209600
The reverse of 161361237 is 732163161
Previous prime number is 9871
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 30
Digital Root 3
Name
one hundred sixty-one million three hundred sixty-one thousand two hundred thirty-seven
Scientific notation
1.61361237 × 10^8
Engineering notation
1.61361237 × 10^6
Prime Factorization
3 × 9871 × 5449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161361237
Product of the distinct prime numbers
The prime factorization of 161361237 is 3 × 9871 × 5449.
Since it has a total of 3 prime factors.
10 , 4 , 64 , 21 , 847 , 192 , 4506 , 8264 , 49849 , 60160 , 169820 , 394773 , 1190555 , 4127429 , 49245447 , 85883454 , 671070652 , 807665226 , 4250007728 , 9128612390
n×2
322722474
n×3
484083711
n×4
645444948
n×5
806806185
n÷2
80680618.5
n÷3
53787079
n÷3
40340309.25
n÷5
32272247.4
n2
26037448806170169
n3
4.2014349476878E+24
n4
6.7794874033393E+32
n5
1.0939464736288E+41
2 √n
12702.80429669
3 √n
544.41874679796
4 √n
112.7067180637
5 √n
43.808647242914
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
-161361236
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 161361237 can be divided by 8 positive divisors.
The sum of these divisors (counting 161361237) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111100010110101010101
3
Ternary
102020122000000010
4
Quaternary
21213202311111
5
Quinary
312302024422
6
Senary
24002310433
8
Octal
1147426525
10
Decimal
161361237
12
Duodecimal
46058419
16
Hexadecimal
99e2d55
20
Vigesimal
2a8a31h
36
Base36
2o2j4l
md5
17a87b0843e719a989d6ce13fbc5f796
sha1
a806798a5473eabc804d7c94f0399d7801db3164
sha256
1f54d49b8e01bc9b85d3109d09ad2c09e5d68c02145a8a7bb843720ef3614bb1
sha512
5dcd6cd5a7932bb38fbb404e7eef9c770118c3a814a5ebb506a1479e4e9ba9dc9f9e5475bba5581f8ea9a2d71670b9e0bccc7290cbccf67730fda1295d2cd78e
ripemd-160
4121009e1853127e5840a6c9c2badefdad99e1ec
Diameter
322722474
Circumference
1013862553.4667
Area
8.1799057887685E+16
Volume
1.7598929554922E+25
Surface area
3.2719623155074E+17
Circumference
1013862553.4667
Perimeter
645444948
Area
26037448806170169
Diagonal
228199249.8067
Surface area
156224692837021014
Volume
4.2014349476878E+24
Space diagonal
279485860.85616
Perimeter
484083711
Area
1.127454605794E+16
Altitude
139742930.42808
Surface area
1.127454605794E+16
Volume
4.9514385703736E+23
Height
76066416.602233