160991649 is an odd 9-digits composite number following 160991648
and preceding 160991650 . In scientific notation, it is written as 1.60991649 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 77137920 positive integers (up to 160991649) that are relatively prime to 160991649.
160991649 has 16 divisors, whose sum is 190530560
The reverse of 160991649 is 946199061
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred sixty million nine hundred ninety-one thousand six hundred forty-nine
Scientific notation
1.60991649 × 10^8
Engineering notation
1.60991649 × 10^6
Prime Factorization
1989 × 7 × 31 × 373
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
160991649
Product of the distinct prime numbers
The prime factorization of 160991649 is 1989 × 7 × 31 × 373.
Since it has a total of 4 prime factors.
6 , 7 , 93 , 15 , 242 , 352 , 716 , 4190 , 69265 , 20945 , 88177 , 243355 , 7921666 , 9338411 , 25812147 , 17628470 , 340258644 , 78918753 , 4661231522 , 467139274
n×2
321983298
n×3
482974947
n×4
643966596
n×5
804958245
n÷2
80495824.5
n÷3
53663883
n÷3
40247912.25
n÷5
32198329.8
n2
25918311047739201
n3
4.1726316348705E+24
n4
6.7175884756736E+32
n5
1.0814756460021E+41
2 √n
12688.248460682
3 √n
544.00277648705
4 √n
112.64212560442
5 √n
43.788560628593
1 , 7 , 31 , 217 , 373 , 1989 , 2611 , 11563 , 13923 , 61659 , 80941 , 431613 , 741897 , 5193279 , 22998807 , 160991649
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-160991648
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 160991649 can be divided by 16 positive divisors.
The sum of these divisors (counting 160991649) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110001000100110100001
3
Ternary
102012221020000200
4
Quaternary
21212020212201
5
Quinary
312203213044
6
Senary
23550335413
8
Octal
1146104641
10
Decimal
160991649
12
Duodecimal
45aba569
16
Hexadecimal
99889a1
20
Vigesimal
2a63j29
36
Base36
2nuly9
md5
4f71a27ff5b12fed57f216ec8117b990
sha1
7c71c0446c5c9c6465d5162394e39f41f97c334e
sha256
45ed77c1b0a084f4db4116e2d2379a6cdb3ec4ef2954c529c979e16850f10b76
sha512
fa6312b73cbca36ea9e866e99bda7203dc1e21c18b4cb4c0a26678a6970fbd3bebe53e24fd72f75374c35531f332eaa38b096e5f3fa14981a96026d85033cf6b
ripemd-160
ace04883f467e3e64e6756f08f91f6d2f173150a
Diameter
321983298
Circumference
1011540363.5754
Area
8.1424775581033E+16
Volume
1.7478278520327E+25
Surface area
3.2569910232413E+17
Circumference
1011540363.5754
Perimeter
643966596
Area
25918311047739201
Diagonal
227676573.44461
Surface area
155509866286435206
Volume
4.1726316348705E+24
Space diagonal
278845715.6623
Perimeter
482974947
Area
1.1222957895265E+16
Altitude
139422857.83115
Surface area
1.1222957895265E+16
Volume
4.917493540684E+23
Height
75892191.148203