161728141 is an odd 9-digits composite number following 161728140
and preceding 161728142 . In scientific notation, it is written as 1.61728141 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 159076800 positive integers (up to 161728141) that are relatively prime to 161728141.
161728141 has 4 divisors, whose sum is 164379484
The reverse of 161728141 is 141827161
Previous prime number is 61
Is Prime? no Number parity odd Number length 9 Sum of Digits 31 Digital Root 4
Name
one hundred sixty-one million seven hundred twenty-eight thousand one hundred forty-one
Scientific notation
1.61728141 × 10^8
Engineering notation
1.61728141 × 10^6
Prime Factorization
61 × 2651281
Composite number
ω Distinct Factors
2 Total number of distinct prime factors
Ω Total Factors
2 Total number of prime factors
rad Radical
161728141 Product of the distinct prime numbers
The prime factorization of 161728141 is 61 × 2651281.
Since it has a total of 2 prime factors.
8 , 6 , 7 , 68 , 785 , 187 , 1853 , 5349 , 21056 , 7337 , 776636 , 403206 , 1696576 , 1227027 , 65259984 , 39941427 , 886027607 , 396106840 , 2812645835 , 6752602006
n×2
323456282
n×3
485184423
n×4
646912564
n×5
808640705
n÷2
80864070.5
n÷3
53909380.333333
n÷3
40432035.25
n÷5
32345628.2
n2
26155991591315881
n3
4.2301598960751E+24
n4
6.8413589612499E+32
n5
1.1064402667166E+41
2 √n12717.237946976
3 √n544.83106847956
4 √n112.77073178345
5 √n43.828551612582
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
-161728140 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 161728141 can be divided by 4 positive divisors.
The sum of these divisors (counting 161728141) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000111100011010001101
3
Ternary
102021022122022011
4
Quaternary
21220330122031
5
Quinary
312400300031
6
Senary
24014221221
8
Octal
1150743215
10
Decimal
161728141
12
Duodecimal
461b4811
16
Hexadecimal
9a3c68d
20
Vigesimal
2aag071
36
Base36
2oae8d
md5
5986a1a57dfc05f8985a45b722f3a606
sha1
153e5a4e4de76cc56cc576e82c04f9de66def994
sha256
b43d4df87eefc4d3fe9894a0337ff0f29ef508e26d04676b210dcd88589ef155
sha512
1d594fe7e1b9a2496822a5ff9568153a1ed3b06124159bc64c43e6764f865ac4f9d007051290602f300e79af4e236bcffd23b8e35b587345f4ce5206e022017c
ripemd-160
98c86a611b6ac5affaf318ad4421ac6f5f6f75f5
Diameter
323456282
Circumference
1016167879.2887
Area
8.2171471030634E+16
Volume
1.771925233736E+25
Surface area
3.2868588412254E+17
Circumference
1016167879.2887
Perimeter
646912564
Area
26155991591315881
Diagonal
228718130.41959
Surface area
156935949547895286
Volume
4.2301598960751E+24
Space diagonal
280121357.22566
Perimeter
485184423
Area
1.1325876589626E+16
Altitude
140060678.61283
Surface area
1.1325876589626E+16
Volume
4.9852912466969E+23
Height
76239376.806529