21861264 is an even 8-digits composite number following 21861263
and preceding 21861265 . In scientific notation, it is written as 2.1861264 × 10^7.
The sum of its digits is 30. It has a total of 6 prime factors and 20 positive divisors.
There are 7287072 positive integers (up to 21861264) that are relatively prime to 21861264.
21861264 has 20 divisors, whose sum is 56475056
The reverse of 21861264 is 46216812
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million eight hundred sixty-one thousand two hundred sixty-four
Scientific notation
2.1861264 × 10^7
Engineering notation
2.1861264 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 455443
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2732658
Product of the distinct prime numbers
The prime factorization of 21861264 is 2 × 2 × 2 × 2 × 3 × 455443.
Since it has a total of 6 prime factors.
6 , 7 , 84 , 56 , 683 , 447 , 2125 , 9962 , 42395 , 53956 , 34423 , 838537 , 349522 , 717754 , 42812550 , 47464017 , 113307969 , 30338440 , 6065789181 , 8408507321
n×2
43722528
n×3
65583792
n×4
87445056
n×5
109306320
n÷2
10930632
n÷3
7287088
n÷3
5465316
n÷5
4372252.8
n2
477914863677696
n3
1.0447823004382E+22
n4
2.2840261692407E+29
n5
4.993169906868E+36
2 √n
4675.6030627075
3 √n
279.61368493459
4 √n
68.378381544956
5 √n
29.372103763241
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 455443 , 910886 , 1366329 , 1821772 , 2732658 , 3643544 , 5465316 , 7287088 , 10930632 , 21861264
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21861263
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21861264 can be divided by 20 positive divisors.
The sum of these divisors (counting 21861264) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010011011001001110010000
3
Ternary
1112010200000110
4
Quaternary
1103121032100
5
Quinary
21044030024
6
Senary
2100321320
8
Octal
123311620
10
Decimal
21861264
12
Duodecimal
73a3240
16
Hexadecimal
14d9390
20
Vigesimal
6gcd34
36
Base36
d0k9c
md5
dff565b684f1a8238fbed6ca02a3b559
sha1
a79f6dd7406342198fc6bef2e76f223e75897fc5
sha256
6669f9519d55dcc25272bb0d08d9a4cadc9416ee46f35892d6dbd557b1925662
sha512
d58694deaa681d25784955ab8af99bae64518a0b37066cc55f7d43ba483084cde26e7cf9b718eaaaac2d65e1a45f19c5d769ffcb481cdc3d45764c7ca75ad9c7
ripemd-160
fa1fb6454c28de170bab5706be5c7100fbe824b1
Diameter
43722528
Circumference
137358372.76117
Area
1.5014138247712E+15
Volume
4.3763738662098E+22
Surface area
6.0056552990849E+15
Circumference
137358372.76117
Perimeter
87445056
Area
477914863677696
Diagonal
30916496.039419
Surface area
2867489182066176
Volume
1.0447823004382E+22
Space diagonal
37864819.965676
Perimeter
65583792
Area
2.0694320639553E+14
Altitude
18932409.982838
Surface area
2.0694320639553E+14
Volume
1.2312877491726E+21
Height
10305498.679806