160991972 is an even 9-digits composite number following 160991971
and preceding 160991973 . In scientific notation, it is written as 1.60991972 × 10^8.
The sum of its digits is 44. It has a total of 5 prime factors and 24 positive divisors.
There are 75254400 positive integers (up to 160991972) that are relatively prime to 160991972.
160991972 has 24 divisors, whose sum is 300303360
The reverse of 160991972 is 279199061
Previous prime number is 151
Is Prime? no
Number parity even
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred sixty million nine hundred ninety-one thousand nine hundred seventy-two
Scientific notation
1.60991972 × 10^8
Engineering notation
1.60991972 × 10^6
Prime Factorization
2 × 2 × 17 × 151 × 15679
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
80495986
Product of the distinct prime numbers
The prime factorization of 160991972 is 2 × 2 × 17 × 151 × 15679.
Since it has a total of 5 prime factors.
9 , 7 , 89 , 99 , 453 , 439 , 8973 , 7905 , 17690 , 82767 , 152034 , 628357 , 5236235 , 8573348 , 35441619 , 36405601 , 883447597 , 978702208 , 5643622312 , 4135399162
n×2
321983944
n×3
482975916
n×4
643967888
n×5
804959860
n÷2
80495986
n÷3
53663990.666667
n÷3
40247993
n÷5
32198394.4
n2
25918415048448784
n3
4.1726567497642E+24
n4
6.7176423862366E+32
n5
1.081486494951E+41
2 √n
12688.261188989
3 √n
544.0031403005
4 √n
112.64218210328
5 √n
43.78857819931
1 , 2 , 4 , 17 , 34 , 68 , 151 , 302 , 604 , 2567 , 5134 , 10268 , 15679 , 31358 , 62716 , 266543 , 533086 , 1066172 , 2367529 , 4735058 , 9470116 , 40247993 , 80495986 , 160991972
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
-160991971
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 160991972 can be divided by 24 positive divisors.
The sum of these divisors (counting 160991972) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100110001000101011100100
3
Ternary
102012221020110122
4
Quaternary
21212020223210
5
Quinary
312203220342
6
Senary
23550341112
8
Octal
1146105344
10
Decimal
160991972
12
Duodecimal
45aba798
16
Hexadecimal
9988ae4
20
Vigesimal
2a63jic
36
Base36
2num78
md5
1b07d11d1dc69e4b4c67ca63d26541a6
sha1
54aa0813433e547052b5d7177d66edf07638a1ea
sha256
95f46cbb1ae62015e1aebb0416269fa97b31d7fba4b106c50b02a6959731add1
sha512
7729ddf621bc45ad5f052b9b7e92b06ebfa4d9b4773c9681d41b21483ef0aaa29b6e556e5794733201369f0a711d30af962f74eacfd11ed0de65d2eb98b260bd
ripemd-160
42e03ef60cb8e056bb9089b2e5a3a1393d757bfb
Diameter
321983944
Circumference
1011542393.0443
Area
8.1425102308898E+16
Volume
1.7478383721348E+25
Surface area
3.2570040923559E+17
Circumference
1011542393.0443
Perimeter
643967888
Area
25918415048448784
Diagonal
227677030.23559
Surface area
155510490290692704
Volume
4.1726567497642E+24
Space diagonal
278846275.11471
Perimeter
482975916
Area
1.1223002928893E+16
Altitude
139423137.55735
Surface area
1.1223002928893E+16
Volume
4.9175231388702E+23
Height
75892343.411863