168981712 is an even 9-digits composite number following 168981711
and preceding 168981713 . In scientific notation, it is written as 1.68981712 × 10^8.
The sum of its digits is 43. It has a total of 6 prime factors and 20 positive divisors.
There are 83105280 positive integers (up to 168981712) that are relatively prime to 168981712.
168981712 has 20 divisors, whose sum is 332771236
The reverse of 168981712 is 217189861
Previous prime number is 61
Is Prime? no
Number parity even
Number length 9
Sum of Digits 43
Digital Root 7
Name
one hundred sixty-eight million nine hundred eighty-one thousand seven hundred twelve
Scientific notation
1.68981712 × 10^8
Engineering notation
1.68981712 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 61 × 173137
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
21122714
Product of the distinct prime numbers
The prime factorization of 168981712 is 2 × 2 × 2 × 2 × 61 × 173137.
Since it has a total of 6 prime factors.
4 , 9 , 93 , 92 , 172 , 449 , 8951 , 5394 , 85347 , 97475 , 623689 , 492366 , 565834 , 1769880 , 69842126 , 82793245 , 513501890 , 971366248 , 4004663478 , 2337197499
n×2
337963424
n×3
506945136
n×4
675926848
n×5
844908560
n÷2
84490856
n÷3
56327237.333333
n÷3
42245428
n÷5
33796342.4
n2
28554818990450944
n3
4.8252421988565E+24
n4
8.1537768757742E+32
n5
1.3778391757343E+41
2 √n
12999.296596355
3 √n
552.85753780158
4 √n
114.01445783915
5 √n
44.214828126686
1 , 2 , 4 , 8 , 16 , 61 , 122 , 244 , 488 , 976 , 173137 , 346274 , 692548 , 1385096 , 2770192 , 10561357 , 21122714 , 42245428 , 84490856 , 168981712
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
-168981711
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 168981712 can be divided by 20 positive divisors.
The sum of these divisors (counting 168981712) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000100100111010011010000
3
Ternary
102202222011022221
4
Quaternary
22010213103100
5
Quinary
321224403322
6
Senary
24433510424
8
Octal
1204472320
10
Decimal
168981712
12
Duodecimal
48712414
16
Hexadecimal
a1274d0
20
Vigesimal
2cg2e5c
36
Base36
2slv4g
md5
894f8a7ae8612d56044fe91a947e21a5
sha1
294cea4564cee93805d2f915b0e87473ea5a7c53
sha256
a4f14d6a02bda84d67ae634b98a3842c0b94ffdb11df76efd106270c03017376
sha512
b6c6642f8292d1c01c77ca4f0635e758b551a70d61345c3785470f698b7d06840f64f61a94a9a421d85d839fd57a9619c6fd62d9d00960b71db4eac427c42059
ripemd-160
f9ba068220fc28d2b508ece42ad5b74e365807ba
Diameter
337963424
Circumference
1061743410.0205
Area
8.9707609564987E+16
Volume
2.0211927258292E+25
Surface area
3.5883043825995E+17
Circumference
1061743410.0205
Perimeter
675926848
Area
28554818990450944
Diagonal
238976228.90342
Surface area
171328913942705664
Volume
4.8252421988565E+24
Space diagonal
292684910.73397
Perimeter
506945136
Area
1.2364599323098E+16
Altitude
146342455.36699
Surface area
1.2364599323098E+16
Volume
5.6866024661315E+23
Height
79658742.967808