168761388 is an even 9-digits composite number following 168761387
and preceding 168761389 . In scientific notation, it is written as 1.68761388 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 12 positive divisors.
There are 56253792 positive integers (up to 168761388) that are relatively prime to 168761388.
168761388 has 12 divisors, whose sum is 393776600
The reverse of 168761388 is 883167861
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred sixty-eight million seven hundred sixty-one thousand three hundred eighty-eight
Scientific notation
1.68761388 × 10^8
Engineering notation
1.68761388 × 10^6
Prime Factorization
2 × 2 × 3 × 14063449
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
84380694
Product of the distinct prime numbers
The prime factorization of 168761388 is 2 × 2 × 3 × 14063449.
Since it has a total of 4 prime factors.
6 , 6 , 40 , 76 , 669 , 761 , 2227 , 5693 , 94001 , 74765 , 126159 , 398005 , 7967943 , 8036629 , 86900051 , 86265122 , 725665899 , 500787611 , 4905053200 , 8307128051
n×2
337522776
n×3
506284164
n×4
675045552
n×5
843806940
n÷2
84380694
n÷3
56253796
n÷3
42190347
n÷5
33752277.6
n2
28480406079686544
n3
4.8063928608115E+24
n4
8.1113353046385E+32
n5
1.3688802045442E+41
2 √n
12990.819373696
3 √n
552.61715525739
4 √n
113.97727568992
5 √n
44.203292354894
1 , 2 , 3 , 4 , 6 , 12 , 14063449 , 28126898 , 42190347 , 56253796 , 84380694 , 168761388
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-168761387
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 168761388 can be divided by 12 positive divisors.
The sum of these divisors (counting 168761388) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010000011110001100000101100
3
Ternary
102202112222002210
4
Quaternary
22003301200230
5
Quinary
321200331023
6
Senary
24425050420
8
Octal
1203614054
10
Decimal
168761388
12
Duodecimal
48626a10
16
Hexadecimal
a0f182c
20
Vigesimal
2cef398
36
Base36
2sh54c
md5
b9e4cd81a476aa55220781cc51362a31
sha1
06d9da5024fc2c2aa95495bdeec017c6b0a3fb24
sha256
652bbb9f5c6c7b7ca274abd66526470a10b9f9677ecf038c22684c8017c538fb
sha512
7d6e1e0004100f98f96fad83d8b9283b7b3b45472e8004f85e4dd4469f9cb98c811c6e55f8ae8e04b190d0a8c2773c1a2564244b7062a547b5248c21659e0585
ripemd-160
809a2fe02a40442fb556323b802e19760c585bc5
Diameter
337522776
Circumference
1060359073.5008
Area
8.9473834511197E+16
Volume
2.0132971335723E+25
Surface area
3.5789533804479E+17
Circumference
1060359073.5008
Perimeter
675045552
Area
28480406079686544
Diagonal
238664643.71451
Surface area
170882436478119264
Volume
4.8063928608115E+24
Space diagonal
292303298.37184
Perimeter
506284164
Area
1.2332377587553E+16
Altitude
146151649.18592
Surface area
1.2332377587553E+16
Volume
5.6643883082108E+23
Height
79554881.238169