161749041 is an odd 9-digits composite number following 161749040
and preceding 161749042 . In scientific notation, it is written as 1.61749041 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 99815760 positive integers (up to 161749041) that are relatively prime to 161749041.
161749041 has 16 divisors, whose sum is 232304640
The reverse of 161749041 is 140947161
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
one hundred sixty-one million seven hundred forty-nine thousand forty-one
Scientific notation
1.61749041 × 10^8
Engineering notation
1.61749041 × 10^6
Prime Factorization
3 × 23 × 31 × 75619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161749041
Product of the distinct prime numbers
The prime factorization of 161749041 is 3 × 23 × 31 × 75619.
Since it has a total of 4 prime factors.
5 , 10 , 48 , 98 , 650 , 318 , 3441 , 2462 , 87039 , 52740 , 396946 , 814050 , 5944876 , 3976696 , 65487517 , 89746734 , 828620686 , 572651694 , 9868731444 , 9054357335
n×2
323498082
n×3
485247123
n×4
646996164
n×5
808745205
n÷2
80874520.5
n÷3
53916347
n÷3
40437260.25
n÷5
32349808.2
n2
26162752264419681
n3
4.2318000886905E+24
n4
6.844896060494E+32
n5
1.1071553735296E+41
2 √n
12718.059639741
3 √n
544.85453683163
4 √n
112.77437492507
5 √n
43.829684339857
1 , 3 , 23 , 31 , 69 , 93 , 713 , 2139 , 75619 , 226857 , 1739237 , 2344189 , 5217711 , 7032567 , 53916347 , 161749041
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
-161749040
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 161749041 can be divided by 16 positive divisors.
The sum of these divisors (counting 161749041) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001000001100000110001
3
Ternary
102021100200222020
4
Quaternary
21221001200301
5
Quinary
312401432131
6
Senary
24014502053
8
Octal
1151014061
10
Decimal
161749041
12
Duodecimal
46204929
16
Hexadecimal
9a41831
20
Vigesimal
2aaicc1
36
Base36
2oaucx
md5
32303d6d7757e4d06aeea871df406e83
sha1
bbb13b66a718102c339c83310e8f0b7bb5c5130f
sha256
ef56e21fef375f24627b1e3b4313795cab08f5b59a0a7296ae972d5273bd60ad
sha512
fbc0f6d71ff7078b30498378614e6c087dc07b77d6ec9ed4ef2492f497163f251cf06e8e43131d725be71dc6c62e3f5d6f6b8a94558ce84afdc7709d7521db1a
ripemd-160
880d89b3a0d0829c4eb483821e2613645812cfcc
Diameter
323498082
Circumference
1016299197.8616
Area
8.2192710311591E+16
Volume
1.7726122760121E+25
Surface area
3.2877084124636E+17
Circumference
1016299197.8616
Perimeter
646996164
Area
26162752264419681
Diagonal
228747687.48304
Surface area
156976513586518086
Volume
4.2318000886905E+24
Space diagonal
280157557.08754
Perimeter
485247123
Area
1.1328804046953E+16
Altitude
140078778.54377
Surface area
1.1328804046953E+16
Volume
4.9872242322314E+23
Height
76249229.161014