21431151 is an odd 8-digits composite number following 21431150
and preceding 21431152 . In scientific notation, it is written as 2.1431151 × 10^7.
The sum of its digits is 18. It has a total of 4 prime factors and 16 positive divisors.
There are 11946240 positive integers (up to 21431151) that are relatively prime to 21431151.
21431151 has 16 divisors, whose sum is 27881280
The reverse of 21431151 is 15113412
Previous prime number is 41
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million four hundred thirty-one thousand one hundred fifty-one
Scientific notation
2.1431151 × 10^7
Engineering notation
2.1431151 × 10^6
Prime Factorization
9 × 7 × 41 × 8297
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21431151
Product of the distinct prime numbers
The prime factorization of 21431151 is 9 × 7 × 41 × 8297.
Since it has a total of 4 prime factors.
4 , 7 , 40 , 83 , 388 , 819 , 6847 , 5041 , 28767 , 64103 , 214542 , 483328 , 8048321 , 8609329 , 23115746 , 64752050 , 950562837 , 437738335 , 8045623381 , 5815111722
n×2
42862302
n×3
64293453
n×4
85724604
n×5
107155755
n÷2
10715575.5
n÷3
7143717
n÷3
5357787.75
n÷5
4286230.2
n2
459294233184801
n3
9.8432040648127E+21
n4
2.1095119263681E+29
n5
4.5209268630297E+36
2 √n
4629.3791160371
3 √n
277.7677571437
4 √n
68.039540827647
5 √n
29.255606050278
1 , 7 , 9 , 41 , 63 , 287 , 369 , 2583 , 8297 , 58079 , 74673 , 340177 , 522711 , 2381239 , 3061593 , 21431151
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
-21431150
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 21431151 can be divided by 16 positive divisors.
The sum of these divisors (counting 21431151) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001110000001101101111
3
Ternary
1111022211000100
4
Quaternary
1101300031233
5
Quinary
20441244101
6
Senary
2043202143
8
Octal
121601557
10
Decimal
21431151
12
Duodecimal
7216353
16
Hexadecimal
147036f
20
Vigesimal
6dihhb
36
Base36
crcdr
md5
2950c86c8e0b5eedb6b5032d4ae4ba38
sha1
4f819f715d2b927d3bc5c80ddbabde34810a1ade
sha256
d704632d9db177a77b0683bce100bd79cf71157016b237931a9a7505f32111f9
sha512
5702521dc6b7cb6f577d844196f6da2998657ecf56925584d23be9f134b58364f5409ba6e39b9d56d296c8d36377ee9e1183ca01582850f5c3bb8c85dcf07fb6
ripemd-160
cf6e1e44c794a88c9cc14d58ff4ba62bf1e09a6a
Diameter
42862302
Circumference
134655893.07915
Area
1.4429153888095E+15
Volume
4.1231116770401E+22
Surface area
5.7716615552381E+15
Circumference
134655893.07915
Perimeter
85724604
Area
459294233184801
Diagonal
30308224.401466
Surface area
2755765399108806
Volume
9.8432040648127E+21
Space diagonal
37119842.396681
Perimeter
64293453
Area
1.9888023687487E+14
Altitude
18559921.19834
Surface area
1.9888023687487E+14
Volume
1.1600327238053E+21
Height
10102741.467155