815969421 is an odd 9-digits composite number following 815969420
and preceding 815969422 . In scientific notation, it is written as 8.15969421 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 511920000 positive integers (up to 815969421) that are relatively prime to 815969421.
815969421 has 24 divisors, whose sum is 1248911040
The reverse of 815969421 is 124969518
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
eight hundred fifteen million nine hundred sixty-nine thousand four hundred twenty-one
Scientific notation
8.15969421 × 10^8
Engineering notation
8.15969421 × 10^6
Prime Factorization
3 × 3 × 31601 × 19 × 151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
271989807
Product of the distinct prime numbers
The prime factorization of 815969421 is 3 × 3 × 31601 × 19 × 151.
Since it has a total of 5 prime factors.
3 , 2 , 32 , 75 , 107 , 274 , 7275 , 4285 , 77219 , 81385 , 55807 , 310296 , 378174 , 5934831 , 19966976 , 72281526 , 895848238 , 458701322 , 2319026062 , 4405250802
n×2
1631938842
n×3
2447908263
n×4
3263877684
n×5
4079847105
n÷2
407984710.5
n÷3
271989807
n÷3
203992355.25
n÷5
163193884.2
n2
665806096007075241
n3
5.4327741465716E+26
n4
4.4329775748018E+35
n5
3.617174145017E+44
2 √n
28565.178469598
3 √n
934.45407271967
4 √n
169.01236188397
5 √n
60.58076828002
1 , 3 , 9 , 19 , 57 , 151 , 171 , 453 , 1359 , 2869 , 8607 , 25821 , 31601 , 94803 , 284409 , 600419 , 1801257 , 4771751 , 5403771 , 14315253 , 42945759 , 90663269 , 271989807 , 815969421
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-815969420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 815969421 can be divided by 24 positive divisors.
The sum of these divisors (counting 815969421) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
110000101000101011010010001101
3
Ternary
2002212101112121200
4
Quaternary
300220223102031
5
Quinary
3132342010141
6
Senary
212545020113
8
Octal
6050532215
10
Decimal
815969421
12
Duodecimal
1a9324639
16
Hexadecimal
30a2b48d
20
Vigesimal
cejg3b1
36
Base36
dht219
md5
2cd08a37be6ade6b0f82e1f2e116bace
sha1
145b99f942c1bb024d39bfc644522074b6354ed9
sha256
607bbc8ffb4bdd15e447373e5aa11cd738a9ae11233fe6f4264691b73f7ab6be
sha512
3dc1b2f69693e7ae214a52180e1f484c433c8781222ee766496906a1f560cc00f4356172d6cb5e46df499e00cbb936ff791277dc8b03244e115b4bb98af7896d
ripemd-160
418317f606fc553c05f36f0b98281722e33bbd82
Diameter
1631938842
Circumference
5126887077.135
Area
2.0916915399311E+18
Volume
2.2756751129976E+27
Surface area
8.3667661597245E+18
Circumference
5126887077.135
Perimeter
3263877684
Area
665806096007075241
Diagonal
1153955021.6599
Surface area
3994836576042451446
Volume
5.4327741465716E+26
Space diagonal
1413300494.5946
Perimeter
2447908263
Area
2.8830249656833E+17
Altitude
706650247.29728
Surface area
2.8830249656833E+17
Volume
6.4025857328263E+25
Height
384651673.88664