813979809 is an odd 9-digits composite number following 813979808
and preceding 813979810 . In scientific notation, it is written as 8.13979809 × 10^8.
The sum of its digits is 54. It has a total of 3 prime factors and 8 positive divisors.
There are 530033112 positive integers (up to 813979809) that are relatively prime to 813979809.
813979809 has 8 divisors, whose sum is 925455520
The reverse of 813979809 is 908979318
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 54
Digital Root 9
Name
eight hundred thirteen million nine hundred seventy-nine thousand eight hundred nine
Scientific notation
8.13979809 × 10^8
Engineering notation
8.13979809 × 10^6
Prime Factorization
9 × 43 × 2103307
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
813979809
Product of the distinct prime numbers
The prime factorization of 813979809 is 9 × 43 × 2103307.
Since it has a total of 3 prime factors.
10 , 4 , 53 , 7 , 603 , 409 , 1263 , 2678 , 94511 , 54431 , 808833 , 527090 , 7603596 , 4474188 , 38965884 , 48891078 , 139539597 , 587782852 , 4188879632 , 7372524360
n×2
1627959618
n×3
2441939427
n×4
3255919236
n×5
4069899045
n÷2
406989904.5
n÷3
271326603
n÷3
203494952.25
n÷5
162795961.8
n2
662563129459676481
n3
5.3931300956803E+26
n4
4.389899005194E+35
n5
3.5732891537771E+44
2 √n
28530.331386088
3 √n
933.6939485609
4 √n
168.90924008499
5 √n
60.551196104348
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
-813979808
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 813979809 can be divided by 8 positive divisors.
The sum of these divisors (counting 813979809) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000100001000101100010100001
3
Ternary
2002201122110101100
4
Quaternary
300201011202201
5
Quinary
3131334323214
6
Senary
212434225013
8
Octal
6041054241
10
Decimal
813979809
12
Duodecimal
1a8725169
16
Hexadecimal
308458a1
20
Vigesimal
ce779a9
36
Base36
dgmeu9
md5
497b5208d6812aeb92408b084e96ea35
sha1
f275b115fce01c4cdbd5c342bfb02f610dbe2da8
sha256
2aad8d4daf3273deb835866468b1fe26047a0a15de93902547a7079394241cdc
sha512
b0ad41cbefba62d4c6685850ab12adecde40613ba93f6e692f8c0c056f990573c7ebcbbf8afe003d47907a622ed4cdae9fb630be741f827db6a4da72ff927b91
ripemd-160
6e882f85338bded8666af602fbc1d675fe0ddeff
Diameter
1627959618
Circumference
5114385976.2496
Area
2.08150346005E+18
Volume
2.2590690517924E+27
Surface area
8.3260138401999E+18
Circumference
5114385976.2496
Perimeter
3255919236
Area
662563129459676481
Diagonal
1151141285.3857
Surface area
3975378776758058886
Volume
5.3931300956803E+26
Space diagonal
1409854385.5232
Perimeter
2441939427
Area
2.868982508615E+17
Altitude
704927192.76161
Surface area
2.868982508615E+17
Volume
6.3558647707947E+25
Height
383713761.79522