161023942 is an even 9-digits composite number following 161023941
and preceding 161023943 . In scientific notation, it is written as 1.61023942 × 10^8.
The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors.
There are 80511970 positive integers (up to 161023942) that are relatively prime to 161023942.
161023942 has 4 divisors, whose sum is 241535916
The reverse of 161023942 is 249320161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 28
Digital Root 1
Name
one hundred sixty-one million twenty-three thousand nine hundred forty-two
Scientific notation
1.61023942 × 10^8
Engineering notation
1.61023942 × 10^6
Prime Factorization
2 × 80511971
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
161023942
Product of the distinct prime numbers
The prime factorization of 161023942 is 2 × 80511971.
Since it has a total of 2 prime factors.
1 , 2 , 98 , 69 , 939 , 715 , 5914 , 7887 , 56120 , 86981 , 630511 , 617935 , 8366803 , 7101735 , 51670165 , 66504247 , 697553348 , 686478556 , 9386436947 , 6119365227
n×2
322047884
n×3
483071826
n×4
644095768
n×5
805119710
n÷2
80511971
n÷3
53674647.333333
n÷3
40255985.5
n÷5
32204788.4
n2
25928709897219364
n3
4.1751430786247E+24
n4
6.7229799693416E+32
n5
1.0825607366504E+41
2 √n
12689.520952345
3 √n
544.03914753962
4 √n
112.64777384549
5 √n
43.790317180008
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161023941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161023942 can be divided by 4 positive divisors.
The sum of these divisors (counting 161023942) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100110010000011111000110
3
Ternary
102012222212022201
4
Quaternary
21212100133012
5
Quinary
312210231232
6
Senary
23551145114
8
Octal
1146203706
10
Decimal
161023942
12
Duodecimal
45b1519a
16
Hexadecimal
99907c6
20
Vigesimal
2a67jh2
36
Base36
2nvava
md5
03300c535acb794bb0e0be0f7e6910d1
sha1
d8e884ead3638abc9254919db9256dc03e58bdbc
sha256
d97b11c30f6b64151f17c0c32a8611766f1120a82701e41e7dfc5c65e05ffe60
sha512
c6bbe410b506a210deb090a2225a63f246278ca62c72c02b3af304b03711f75eaba7f7dbef88f4d56730b2d284993d84764dd477e6cd8c4d4ab36caefca9c6da
ripemd-160
6c059827d8af9a001479f87546129cdf2c093f9c
Diameter
322047884
Circumference
1011743266.4785
Area
8.1457444530165E+16
Volume
1.7488798431325E+25
Surface area
3.2582977812066E+17
Circumference
1011743266.4785
Perimeter
644095768
Area
25928709897219364
Diagonal
227722242.64318
Surface area
155572259383316184
Volume
4.1751430786247E+24
Space diagonal
278901648.77902
Perimeter
483071826
Area
1.1227460729174E+16
Altitude
139450824.38951
Surface area
1.1227460729174E+16
Volume
4.9204533055326E+23
Height
75907414.214393