821423970 is an even 9-digits composite number following 821423969
and preceding 821423971 . In scientific notation, it is written as 8.21423970 × 10^8.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 216912384 positive integers (up to 821423970) that are relatively prime to 821423970.
821423970 has 16 divisors, whose sum is 1253356416
The reverse of 821423970 is 079324128
Previous prime number is 103
Is Prime? no
Number parity even
Number length 9
Sum of Digits 36
Digital Root 9
Name
eight hundred twenty-one million four hundred twenty-three thousand nine hundred seventy
Scientific notation
8.21423970 × 10^8
Engineering notation
8.21423970 × 10^6
Prime Factorization
2 × 135 × 103 × 29537
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
821423970
Product of the distinct prime numbers
The prime factorization of 821423970 is 2 × 135 × 103 × 29537.
Since it has a total of 4 prime factors.
9 , 1 , 86 , 78 , 234 , 49 , 5860 , 7975 , 82332 , 17536 , 488538 , 524511 , 7785365 , 1125834 , 43083965 , 29124610 , 470898202 , 889065499 , 3061508538 , 5785873480
n×2
1642847940
n×3
2464271910
n×4
3285695880
n×5
4107119850
n÷2
410711985
n÷3
273807990
n÷3
205355992.5
n÷5
164284794
n2
674737338490560900
n3
5.5424542329015E+26
n4
4.5527047595333E+35
n5
3.7397008178137E+44
2 √n
28660.49493641
3 √n
936.53164652202
4 √n
169.29410780181
5 √n
60.661545996134
1 , 2 , 103 , 135 , 206 , 270 , 13905 , 27810 , 29537 , 59074 , 3042311 , 3987495 , 6084622 , 7974990 , 410711985 , 821423970
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
-821423969
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 821423970 can be divided by 16 positive divisors.
The sum of these divisors (counting 821423970) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110000111101011110111101100010
3
Ternary
2010020122122212000
4
Quaternary
300331132331202
5
Quinary
3140241031340
6
Senary
213301544430
8
Octal
6075367542
10
Decimal
821423970
12
Duodecimal
1ab115116
16
Hexadecimal
30f5ef62
20
Vigesimal
cgdhjia
36
Base36
dl1ysi
md5
53bd27e6e2e761664643cb233ee5c9e4
sha1
58b80bfe297d01a80d98a4f619f285d972e05c81
sha256
23fc6e9af95d41fd06b5bc4759fc6d62ba2f11360cc212c345d5e9dd828eef96
sha512
6cdab3e839d742325bcf35d9eacaa1d7fc30e67c5876c17676bf02c4681cfeba206bbada495990cdc083efa4c3ff68dcafc213b28df0d509f43a8c2b92e45675
ripemd-160
69ffa21c831a3639a98116835793865088ccc126
Diameter
1642847940
Circumference
5161159019.2691
Area
2.1197498657047E+18
Volume
2.3216178001255E+27
Surface area
8.4789994628187E+18
Circumference
5161159019.2691
Perimeter
3285695880
Area
674737338490560900
Diagonal
1161668918.8324
Surface area
4048424030943365400
Volume
5.5424542329015E+26
Space diagonal
1422748050.5949
Perimeter
2464271910
Area
2.9216983800736E+17
Altitude
711374025.29747
Surface area
2.9216983800736E+17
Volume
6.5318449541679E+25
Height
387222972.94412