161609964 is an even 9-digits composite number following 161609963
and preceding 161609965 . In scientific notation, it is written as 1.61609964 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 52899840 positive integers (up to 161609964) that are relatively prime to 161609964.
161609964 has 24 divisors, whose sum is 285670000
The reverse of 161609964 is 469906161
Previous prime number is 211
Is Prime? no Number parity even Number length 9 Sum of Digits 42 Digital Root 6
Name
one hundred sixty-one million six hundred nine thousand nine hundred sixty-four
Scientific notation
1.61609964 × 10^8
Engineering notation
1.61609964 × 10^6
Prime Factorization
2 × 2 × 249 × 211 × 769
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
80804982 Product of the distinct prime numbers
The prime factorization of 161609964 is 2 × 2 × 249 × 211 × 769.
Since it has a total of 5 prime factors.
1 , 9 , 5 , 26 , 353 , 12 , 8190 , 6127 , 15005 , 82605 , 475370 , 284030 , 8573396 , 3991858 , 66870151 , 21865770 , 350077152 , 84931499 , 3468103828 , 617664079
n×2
323219928
n×3
484829892
n×4
646439856
n×5
808049820
n÷2
80804982
n÷3
53869988
n÷3
40402491
n÷5
32321992.8
n2
26117780464081296
n3
4.2208935605601E+24
n4
6.8213845636995E+32
n5
1.1024037137696E+41
2 √n12712.590766638
3 √n544.69833093235
4 √n112.75012535087
5 √n43.822144513265
1 , 2 , 4 , 211 , 249 , 422 , 498 , 769 , 844 , 996 , 1538 , 3076 , 52539 , 105078 , 162259 , 191481 , 210156 , 324518 , 382962 , 649036 , 765924 , 40402491 , 80804982 , 161609964
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-161609963 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161609964 can be divided by 24 positive divisors.
The sum of these divisors (counting 161609964) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001101000011111100011101100
3
Ternary
102021002122012020
4
Quaternary
21220133203230
5
Quinary
312333004324
6
Senary
24011510140
8
Octal
1150374354
10
Decimal
161609964
12
Duodecimal
46158350
16
Hexadecimal
9a1f8ec
20
Vigesimal
2aa14i4
36
Base36
2o7v1o
md5
53657259078e01117cfa72fc94dd63a3
sha1
2228fac6b62f4551a99613dd943b258fe0b3c5cd
sha256
76e5b9c94fa6d9792d5c5516cee375938b935a3ba7dde41d13a594dfab031914
sha512
1e730d84b8f2b3074ef8f0a081439868c57479c3c030c5b8eda529fc874b8194a2ce41416f82e720109365802dd9333cd04ea170ae429b5316f331012f433a4c
ripemd-160
3a8ea0a028c1d6a0b02c3a441d0c72a82c30a84e
Diameter
323219928
Circumference
1015425351.2986
Area
8.2051427234029E+16
Volume
1.768043760192E+25
Surface area
3.2820570893612E+17
Circumference
1015425351.2986
Perimeter
646439856
Area
26117780464081296
Diagonal
228551002.90343
Surface area
156706682784487776
Volume
4.2208935605601E+24
Space diagonal
279916668.65738
Perimeter
484829892
Area
1.130933068618E+16
Altitude
139958334.32869
Surface area
1.130933068618E+16
Volume
4.9743707655644E+23
Height
76183667.634476