161645152 is an even 9-digits composite number following 161645151
and preceding 161645153 . In scientific notation, it is written as 1.61645152 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 12 positive divisors.
There are 80822560 positive integers (up to 161645152) that are relatively prime to 161645152.
161645152 has 12 divisors, whose sum is 318238956
The reverse of 161645152 is 251546161
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million six hundred forty-five thousand one hundred fifty-two
Scientific notation
1.61645152 × 10^8
Engineering notation
1.61645152 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 5051411
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
10102822
Product of the distinct prime numbers
The prime factorization of 161645152 is 2 × 2 × 2 × 2 × 2 × 5051411.
Since it has a total of 6 prime factors.
8 , 1 , 91 , 7 , 815 , 148 , 6737 , 2486 , 11877 , 68784 , 680985 , 939197 , 1708751 , 3813896 , 22255657 , 70934956 , 773934143 , 635398141 , 7398947104 , 5889713521
n×2
323290304
n×3
484935456
n×4
646580608
n×5
808225760
n÷2
80822576
n÷3
53881717.333333
n÷3
40411288
n÷5
32329030.4
n2
26129155165103104
n3
4.2236512582947E+24
n4
6.8273274964203E+32
n5
1.1036043909126E+41
2 √n
12713.974673563
3 √n
544.73786119701
4 √n
112.75626223657
5 √n
43.82405266212
1 , 2 , 4 , 8 , 16 , 32 , 5051411 , 10102822 , 20205644 , 40411288 , 80822576 , 161645152
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161645151
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161645152 can be divided by 12 positive divisors.
The sum of these divisors (counting 161645152) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001101000101000001001100000
3
Ternary
102021011102110111
4
Quaternary
21220220021200
5
Quinary
312340121102
6
Senary
24012341104
8
Octal
1150501140
10
Decimal
161645152
12
Duodecimal
46174794
16
Hexadecimal
9a28260
20
Vigesimal
2aa5chc
36
Base36
2o8m74
md5
4703e90741dafa3d0ae8ef742b7d31d0
sha1
72823920c221e4d2533126f150b768063975d548
sha256
e46263578f2108aa6a4b4fb94cd9119a872903673f9001826d64d2670813893e
sha512
01824e4d393d8a82f6bf6da76e0d012ee5622b981d6691cd56ac749c132bc0215c8ee1f5b540dbffdf9209431287ed7a1ee72d8c7c4d4e84bfeca772aedd9545
ripemd-160
5b0d043eb1b4f1047b6c63a6afd4672dfc267b1e
Diameter
323290304
Circumference
1015646444.0232
Area
8.2087161911196E+16
Volume
1.7691989019178E+25
Surface area
3.2834864764478E+17
Circumference
1015646444.0232
Perimeter
646580608
Area
26129155165103104
Diagonal
228600766.25026
Surface area
156774930990618624
Volume
4.2236512582947E+24
Space diagonal
279977616.06119
Perimeter
484935456
Area
1.1314256076202E+16
Altitude
139988808.0306
Surface area
1.1314256076202E+16
Volume
4.9776207435121E+23
Height
76200255.416753