21462868 is an even 8-digits composite number following 21462867
and preceding 21462869 . In scientific notation, it is written as 2.1462868 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 12 positive divisors.
There are 9198360 positive integers (up to 21462868) that are relatively prime to 21462868.
21462868 has 12 divisors, whose sum is 42925792
The reverse of 21462868 is 86826412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty-one million four hundred sixty-two thousand eight hundred sixty-eight
Scientific notation
2.1462868 × 10^7
Engineering notation
2.1462868 × 10^6
Prime Factorization
2 × 2 × 7 × 766531
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10731434
Product of the distinct prime numbers
The prime factorization of 21462868 is 2 × 2 × 7 × 766531.
Since it has a total of 4 prime factors.
4 , 5 , 2 , 64 , 714 , 919 , 489 , 6582 , 7608 , 12777 , 543123 , 626378 , 9866855 , 1093609 , 32957390 , 766091 , 598739519 , 775107497 , 3219089273 , 373168585
n×2
42925736
n×3
64388604
n×4
85851472
n×5
107314340
n÷2
10731434
n÷3
7154289.3333333
n÷3
5365717
n÷5
4292573.6
n2
460654702785424
n3
9.8869710794628E+21
n4
2.1220275519833E+29
n5
4.554479724058E+36
2 √n
4632.8034709018
3 √n
277.90471692758
4 √n
68.064700623024
5 √n
29.264260286783
1 , 2 , 4 , 7 , 14 , 28 , 766531 , 1533062 , 3066124 , 5365717 , 10731434 , 21462868
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21462867
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21462868 can be divided by 12 positive divisors.
The sum of these divisors (counting 21462868) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001110111111101010100
3
Ternary
1111101102112001
4
Quaternary
1101313331110
5
Quinary
20443302433
6
Senary
2044005044
8
Octal
121677524
10
Decimal
21462868
12
Duodecimal
7230784
16
Hexadecimal
1477f54
20
Vigesimal
6e2h38
36
Base36
cs0us
md5
f10a151eeed86a22c1c5a8c726cb5afe
sha1
e1b8b4e9b8314e7c468b15b77345421b93cac670
sha256
74b7c8037bbacbc32d9d8b4b95caf17ee9d0cc6929dabcf81bc9725a1f42c5b3
sha512
f406d96633e818531518e8f896553184cc2c4f777021f8077f718ec7024e882a1b5d6892048fb26413648ee9b8e1408a6cfb689ccc493826e81026f414de0384
ripemd-160
eca664e5e869623ed74e207b558d2517be2cf1dd
Diameter
42925736
Circumference
134855176.86753
Area
1.4471894301123E+15
Volume
4.141444761266E+22
Surface area
5.7887577204491E+15
Circumference
134855176.86753
Perimeter
85851472
Area
460654702785424
Diagonal
30353079.013024
Surface area
2763928216712544
Volume
9.8869710794628E+21
Space diagonal
37174777.852144
Perimeter
64388604
Area
1.9946933749247E+14
Altitude
18587388.926072
Surface area
1.9946933749247E+14
Volume
1.1651907159472E+21
Height
10117693.004341