1368921491 is an odd 10-digits composite number following 1368921490
and preceding 1368921492 . In scientific notation, it is written as 1.368921491 × 10^9.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 1169354880 positive integers (up to 1368921491) that are relatively prime to 1368921491.
1368921491 has 8 divisors, whose sum is 1569823584
The reverse of 1368921491 is 1941298631
Previous prime number is 293
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 44
Digital Root 8
Name
one billion three hundred sixty-eight million nine hundred twenty-one thousand four hundred ninety-one
Scientific notation
1.368921491 × 10^9
Engineering notation
1.368921491 × 10^9
Prime Factorization
7 × 293 × 667441
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1368921491
Product of the distinct prime numbers
The prime factorization of 1368921491 is 7 × 293 × 667441.
Since it has a total of 3 prime factors.
3 , 8 , 16 , 76 , 849 , 440 , 219 , 7049 , 38355 , 38470 , 638092 , 278774 , 1657386 , 6028968 , 66759922 , 22903922 , 868392356 , 388867984 , 9696671340 , 3472741271
n×2
2737842982
n×3
4106764473
n×4
5475685964
n×5
6844607455
n÷2
684460745.5
n÷3
456307163.66667
n÷3
342230372.75
n÷5
273784298.2
n2
1873946048521663081
n3
2.5652850187958E+27
n4
3.51167379277E+36
n5
4.8072057243043E+45
2 √n
36998.939052357
3 √n
1110.3490207267
4 √n
192.35108279486
5 √n
67.185523941207
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1368921490
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1368921491 can be divided by 8 positive divisors.
The sum of these divisors (counting 1368921491) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100110000001010110010011
3
Ternary
10112101212102020222
4
Quaternary
1101212001112103
5
Quinary
10300420441431
6
Senary
343500423255
8
Octal
12146012623
10
Decimal
1368921491
12
Duodecimal
322547b2b
16
Hexadecimal
51981593
20
Vigesimal
117ff3eb
36
Base36
mn0qkz
md5
80c41cc561a354dd4b1ff123bdc87e60
sha1
37a41859e3d746dee45adc2379ee61ff983bddf9
sha256
62f59706aab6cc0f83ee3af3ff62e52f8dfad36105b9dcfa7e5dc7a4caf2df4b
sha512
b04e12eec81e276257c68861f0136696f6a5e4ad2726502ddc7a3b51c990b23be6613ba86dfff394f007f91d75a6b4951450357b66ae914a673dbaf520af16de
ripemd-160
6c56132187362cb5b96e4b73a63708e259f17844
Diameter
2737842982
Circumference
8601187398.9336
Area
5.8871751392593E+18
Volume
1.0745440759217E+28
Surface area
2.3548700557037E+19
Circumference
8601187398.9336
Perimeter
5475685964
Area
1873946048521663081
Diagonal
1935947338.3962
Surface area
1.124367629113E+19
Volume
2.5652850187958E+27
Space diagonal
2371041573.9849
Perimeter
4106764473
Area
8.1144244167061E+17
Altitude
1185520786.9925
Surface area
8.1144244167061E+17
Volume
3.0232173874447E+26
Height
645315779.4654