161620005 is an odd 9-digits composite number following 161620004
and preceding 161620006 . In scientific notation, it is written as 1.61620005 × 10^8.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 85954368 positive integers (up to 161620005) that are relatively prime to 161620005.
161620005 has 8 divisors, whose sum is 172880640
The reverse of 161620005 is 500026161
Previous prime number is 359
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 21
Digital Root 3
Name
one hundred sixty-one million six hundred twenty thousand five
Scientific notation
1.61620005 × 10^8
Engineering notation
1.61620005 × 10^6
Prime Factorization
15 × 359 × 30013
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161620005
Product of the distinct prime numbers
The prime factorization of 161620005 is 15 × 359 × 30013.
Since it has a total of 3 prime factors.
3 , 7 , 31 , 95 , 313 , 482 , 7470 , 8146 , 17382 , 95207 , 585762 , 610022 , 9578627 , 4815648 , 36032288 , 35374833 , 680428207 , 795351935 , 1201971330 , 6431274971
n×2
323240010
n×3
484860015
n×4
646480020
n×5
808100025
n÷2
80810002.5
n÷3
53873335
n÷3
40405001.25
n÷5
32324001
n2
26121026016200025
n3
4.2216803553434E+24
n4
6.82308000139E+32
n5
1.10274622394E+41
2 √n
12712.985683938
3 √n
544.70961159545
4 √n
112.75187663156
5 √n
43.822689043078
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
-161620004
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 161620005 can be divided by 8 positive divisors.
The sum of these divisors (counting 161620005) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101000100010000000100101
3
Ternary
102021010010222010
4
Quaternary
21220202000211
5
Quinary
312333320010
6
Senary
24012024433
8
Octal
1150420045
10
Decimal
161620005
12
Duodecimal
46162119
16
Hexadecimal
9a22025
20
Vigesimal
2aa2a05
36
Base36
2o82sl
md5
0ecdd6deb4ee3f58a2346e6d0ad56147
sha1
bcc288e005126b61ab3c01f86d73ad8cc00c0024
sha256
1ffd77b30b56421ae2f38f4a464a414ea440689d61d15344cad923d7889c7b30
sha512
6b3a72c2a5bfa68c4f6ba82d178f4cf78478385fc2712bba61a9dea45a87993c7c511a88fbaca5828614e4547f3774047dcfae593b754f3539227c6c83d75bcd
ripemd-160
b17508930f752f2b992ef657af3a1058908501a1
Diameter
323240010
Circumference
1015488440.7623
Area
8.2061623436722E+16
Volume
1.7683733320201E+25
Surface area
3.2824649374689E+17
Circumference
1015488440.7623
Perimeter
646480020
Area
26121026016200025
Diagonal
228565203.02181
Surface area
156726156097200150
Volume
4.2216803553434E+24
Space diagonal
279934060.17954
Perimeter
484860015
Area
1.1310736051472E+16
Altitude
139967030.08977
Surface area
1.1310736051472E+16
Volume
4.9752980121089E+23
Height
76188401.007269