168396987 is an odd 9-digits composite number following 168396986
and preceding 168396988 . In scientific notation, it is written as 1.68396987 × 10^8.
The sum of its digits is 57. It has a total of 4 prime factors and 16 positive divisors.
There are 99684480 positive integers (up to 168396987) that are relatively prime to 168396987.
168396987 has 16 divisors, whose sum is 250639488
The reverse of 168396987 is 789693861
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 57
Digital Root 3
Name
one hundred sixty-eight million three hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
1.68396987 × 10^8
Engineering notation
1.68396987 × 10^6
Prime Factorization
3 × 11 × 43 × 118673
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
168396987
Product of the distinct prime numbers
The prime factorization of 168396987 is 3 × 11 × 43 × 118673.
Since it has a total of 4 prime factors.
7 , 2 , 53 , 12 , 318 , 389 , 7811 , 5947 , 94330 , 41723 , 249634 , 638616 , 9017404 , 3026551 , 46176624 , 97999996 , 712073617 , 680250965 , 8656344529 , 2757795153
n×2
336793974
n×3
505190961
n×4
673587948
n×5
841984935
n÷2
84198493.5
n÷3
56132329
n÷3
42099246.75
n÷5
33679397.4
n2
28357545230678169
n3
4.7753251755624E+24
n4
8.0415037150996E+32
n5
1.3541649965721E+41
2 √n
12976.78646661
3 √n
552.21911918845
4 √n
113.91569894712
5 √n
44.184186498354
1 , 3 , 11 , 33 , 43 , 129 , 473 , 1419 , 118673 , 356019 , 1305403 , 3916209 , 5102939 , 15308817 , 56132329 , 168396987
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
-168396986
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 168396987 can be divided by 16 positive divisors.
The sum of these divisors (counting 168396987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010011000100010111011
3
Ternary
102201212110020110
4
Quaternary
22002120202323
5
Quinary
321102200422
6
Senary
24413155403
8
Octal
1202304273
10
Decimal
168396987
12
Duodecimal
4848bb63
16
Hexadecimal
a0988bb
20
Vigesimal
2cc9c97
36
Base36
2s9by3
md5
8551c1f1026297730697b138829c6271
sha1
84567a016f2d7ed6c7981b7868992e5ea518ffe8
sha256
b52ebe1e82440d080b682f8161de6767ab4f05e255bd910f98bbd07799a533db
sha512
6d1e1daa9c349691e0ca98d19f4e28631b8205d9c6325bb6515f479d95d4cbaadf431404357ff63155a970a3dc7d1d07ecce0eb3a1a5c3cc0e9d42d844ea7844
ripemd-160
4a35c03d02378150c11c71fdac08d27a0dd5f3fa
Diameter
336793974
Circumference
1058069474.4917
Area
8.9087855770539E+16
Volume
2.0002835320066E+25
Surface area
3.5635142308216E+17
Circumference
1058069474.4917
Perimeter
673587948
Area
28357545230678169
Diagonal
238149302.87817
Surface area
170145271384069014
Volume
4.7753251755624E+24
Space diagonal
291672137.32552
Perimeter
505190961
Area
1.2279177279367E+16
Altitude
145836068.66276
Surface area
1.2279177279367E+16
Volume
5.6277746900184E+23
Height
79383100.959389