161249964 is an even 9-digits composite number following 161249963
and preceding 161249965 . In scientific notation, it is written as 1.61249964 × 10^8.
The sum of its digits is 42. It has a total of 5 prime factors and 24 positive divisors.
There are 48387328 positive integers (up to 161249964) that are relatively prime to 161249964.
161249964 has 24 divisors, whose sum is 300238848
The reverse of 161249964 is 469942161
Previous prime number is 23
Is Prime? no
Number parity even
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-one million two hundred forty-nine thousand nine hundred sixty-four
Scientific notation
1.61249964 × 10^8
Engineering notation
1.61249964 × 10^6
Prime Factorization
2 × 2 × 51 × 23 × 34367
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80624982
Product of the distinct prime numbers
The prime factorization of 161249964 is 2 × 2 × 51 × 23 × 34367.
Since it has a total of 5 prime factors.
8 , 6 , 95 , 4 , 292 , 292 , 3879 , 4167 , 19035 , 34120 , 8635 , 321023 , 8104869 , 5587450 , 62679929 , 29828972 , 331804944 , 217556658 , 9752273733 , 7996514608
n×2
322499928
n×3
483749892
n×4
644999856
n×5
806249820
n÷2
80624982
n÷3
53749988
n÷3
40312491
n÷5
32249992.8
n2
26001550890001296
n3
4.1927491449569E+24
n4
6.7608064868533E+32
n5
1.0901798026161E+41
2 √n
12698.423681702
3 √n
544.29357622089
4 √n
112.6872826973
5 √n
43.802603579796
1 , 2 , 4 , 23 , 46 , 51 , 92 , 102 , 204 , 1173 , 2346 , 4692 , 34367 , 68734 , 137468 , 790441 , 1580882 , 1752717 , 3161764 , 3505434 , 7010868 , 40312491 , 80624982 , 161249964
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
-161249963
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 161249964 can be divided by 24 positive divisors.
The sum of these divisors (counting 161249964) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111000111101010101100
3
Ternary
102020102100100220
4
Quaternary
21213013222230
5
Quinary
312234444324
6
Senary
24000051340
8
Octal
1147075254
10
Decimal
161249964
12
Duodecimal
46003b50
16
Hexadecimal
99c7aac
20
Vigesimal
2a7g4i4
36
Base36
2o059o
md5
e1a80142fd529b549bb991680f975d4e
sha1
86e232b8a36cbae12c0793dae490d4819c42ea7e
sha256
9344441e2bf906ed9b9c2a106dc0f3901ae4111dd118f3fb3a587e10a065ad21
sha512
84247d4acc63895d101d01f34e5aa2d91a37ffa873cc0ca0064bb0d282d7c09e2ac9b50304ff074165834279b7efe2f9e575c1da06e2ff12bc30e2ebc2b974a8
ripemd-160
26903f0478605bcd9c844af1993aa2ed8b4ba2a3
Diameter
322499928
Circumference
1013163404.588
Area
8.1686281257969E+16
Volume
1.7562546549522E+25
Surface area
3.2674512503188E+17
Circumference
1013163404.588
Perimeter
644999856
Area
26001550890001296
Diagonal
228041886.02097
Surface area
156009305340007776
Volume
4.1927491449569E+24
Space diagonal
279293130.36665
Perimeter
483749892
Area
1.1259001804268E+16
Altitude
139646565.18333
Surface area
1.1259001804268E+16
Volume
4.9412022536885E+23
Height
76013962.006991