813661490 is an even 9-digits composite number following 813661489
and preceding 813661491 . In scientific notation, it is written as 8.13661490 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 325196544 positive integers (up to 813661490) that are relatively prime to 813661490.
813661490 has 16 divisors, whose sum is 1465796952
The reverse of 813661490 is 094166318
Previous prime number is 1237
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
eight hundred thirteen million six hundred sixty-one thousand four hundred ninety
Scientific notation
8.13661490 × 10^8
Engineering notation
8.13661490 × 10^6
Prime Factorization
2 × 5 × 1237 × 65777
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
813661490
Product of the distinct prime numbers
The prime factorization of 813661490 is 2 × 5 × 1237 × 65777.
Since it has a total of 4 prime factors.
2 , 3 , 37 , 3 , 47 , 367 , 2310 , 2722 , 61983 , 34570 , 692507 , 476628 , 8744474 , 4510984 , 88888696 , 77447547 , 827593198 , 412280059 , 9470807814 , 6656955615
n×2
1627322980
n×3
2440984470
n×4
3254645960
n×5
4068307450
n÷2
406830745
n÷3
271220496.66667
n÷3
203415372.5
n÷5
162732298
n2
662045020309020100
n3
5.3868053767172E+26
n4
4.3830360891597E+35
n5
3.5663076750295E+44
2 √n
28524.752233806
3 √n
933.57222102242
4 √n
168.89272404046
5 √n
60.546459472865
1 , 2 , 5 , 10 , 1237 , 2474 , 6185 , 12370 , 65777 , 131554 , 328885 , 657770 , 81366149 , 162732298 , 406830745 , 813661490
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
-813661489
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 813661490 can be divided by 16 positive divisors.
The sum of these divisors (counting 813661490) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000011111110111110100110010
3
Ternary
2002201001021201202
4
Quaternary
300133313310302
5
Quinary
3131244131430
6
Senary
212423331202
8
Octal
6037676462
10
Decimal
813661490
12
Duodecimal
1a85b0b02
16
Hexadecimal
307f7d32
20
Vigesimal
ce57dea
36
Base36
dgfl82
md5
bb115ba70626e5b293d639109cd3339d
sha1
22a907da2e1bfd5a614290d6ba86886be74c68fb
sha256
1e8ce2a5cfbb9de1c5335348b0cf80b44fe99db104c98f1f4eb2aa653f2053e1
sha512
0cecad5be1045c8efff7b89beae7bca573d109b41db27272ca518b95322856db88df6cd249bbdcf0fcd23cd5cb1675ddf27f3bcbfbc6f4deef7ce60c182f3e99
ripemd-160
600c31990921e5663fac2e6e0aa8ac1263648973
Diameter
1627322980
Circumference
5112385918.9858
Area
2.0798757721485E+18
Volume
2.2564197597084E+27
Surface area
8.3195030885941E+18
Circumference
5112385918.9858
Perimeter
3254645960
Area
662045020309020100
Diagonal
1150691114.3387
Surface area
3972270121854120600
Volume
5.3868053767172E+26
Space diagonal
1409303040.8422
Perimeter
2440984470
Area
2.866739030183E+17
Altitude
704651520.4211
Surface area
2.866739030183E+17
Volume
6.3484110180148E+25
Height
383563704.77957