161293072 is an even 9-digits composite number following 161293071
and preceding 161293073 . In scientific notation, it is written as 1.61293072 × 10^8.
The sum of its digits is 31. It has a total of 6 prime factors and 20 positive divisors.
There are 80589600 positive integers (up to 161293072) that are relatively prime to 161293072.
161293072 has 20 divisors, whose sum is 312726016
The reverse of 161293072 is 270392161
Previous prime number is 5167
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred sixty-one million two hundred ninety-three thousand seventy-two
Scientific notation
1.61293072 × 10^8
Engineering notation
1.61293072 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5167 × 1951
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
20161634
Product of the distinct prime numbers
The prime factorization of 161293072 is 2 × 2 × 2 × 2 × 5167 × 1951.
Since it has a total of 6 prime factors.
5 , 7 , 100 , 88 , 477 , 883 , 409 , 6640 , 56728 , 17433 , 75359 , 779121 , 4179836 , 2635567 , 66419481 , 39613439 , 270754002 , 264910603 , 6848049149 , 6789392860
n×2
322586144
n×3
483879216
n×4
645172288
n×5
806465360
n÷2
80646536
n÷3
53764357.333333
n÷3
40323268
n÷5
32258614.4
n2
26015455075197184
n3
4.1961126685565E+24
n4
6.768039027696E+32
n5
1.091637806193E+41
2 √n
12700.120944306
3 √n
544.34207507806
4 √n
112.69481329815
5 √n
43.804945336287
1 , 2 , 4 , 8 , 16 , 1951 , 3902 , 5167 , 7804 , 10334 , 15608 , 20668 , 31216 , 41336 , 82672 , 10080817 , 20161634 , 40323268 , 80646536 , 161293072
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161293071
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161293072 can be divided by 20 positive divisors.
The sum of these divisors (counting 161293072) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111010010001100010000
3
Ternary
102020111112111111
4
Quaternary
21213102030100
5
Quinary
312242334242
6
Senary
24001023104
8
Octal
1147221420
10
Decimal
161293072
12
Duodecimal
46024a94
16
Hexadecimal
99d2310
20
Vigesimal
2a81cdc
36
Base36
2o12j4
md5
28224902fd3c9065f040142a9a1e457f
sha1
137e69eb44376750baff86ab8d1e6b7a0cebbd53
sha256
2da94f43960d6eeeb1a62c7a59266d949e6d29c69dc34ecb38103f34f3fd1e5b
sha512
aa107c22821bc2ebe8044958274aa6cdb048b785c4c5b105de05cd7bf6c4b3d52acbe36009cceed5c7fb255c8f348ecf18ae8e7017ca086a4bff961345adf9eb
ripemd-160
7deab467c8187e94c0fb743c718d4d249dfa7d58
Diameter
322586144
Circumference
1013434260.1403
Area
8.1729962544035E+16
Volume
1.757663564423E+25
Surface area
3.2691985017614E+17
Circumference
1013434260.1403
Perimeter
645172288
Area
26015455075197184
Diagonal
228102849.93922
Surface area
156092730451183104
Volume
4.1961126685565E+24
Space diagonal
279367795.61287
Perimeter
483879216
Area
1.1265022493067E+16
Altitude
139683897.80643
Surface area
1.1265022493067E+16
Volume
4.9451662042652E+23
Height
76034283.313073