20621566 is an even 8-digits composite number following 20621565
and preceding 20621567 . In scientific notation, it is written as 2.0621566 × 10^7.
The sum of its digits is 28. It has a total of 4 prime factors and 16 positive divisors.
There are 8791776 positive integers (up to 20621566) that are relatively prime to 20621566.
20621566 has 16 divisors, whose sum is 35535456
The reverse of 20621566 is 66512602
Previous prime number is 7477
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million six hundred twenty-one thousand five hundred sixty-six
Scientific notation
2.0621566 × 10^7
Engineering notation
2.0621566 × 10^6
Prime Factorization
2 × 7 × 7477 × 197
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20621566
Product of the distinct prime numbers
The prime factorization of 20621566 is 2 × 7 × 7477 × 197.
Since it has a total of 4 prime factors.
6 , 2 , 27 , 54 , 355 , 329 , 546 , 6134 , 99648 , 26101 , 948366 , 522911 , 3298327 , 1896314 , 94425467 , 31035462 , 134526871 , 742604747 , 2041737579 , 9290151527
n×2
41243132
n×3
61864698
n×4
82486264
n×5
103107830
n÷2
10310783
n÷3
6873855.3333333
n÷3
5155391.5
n÷5
4124313.2
n2
425248984292356
n3
8.7692999960178E+21
n4
1.8083669864168E+29
n5
3.7291359162615E+36
2 √n
4541.0974444511
3 √n
274.22510671568
4 √n
67.387665373205
5 √n
29.031155934737
1 , 2 , 7 , 14 , 197 , 394 , 1379 , 2758 , 7477 , 14954 , 52339 , 104678 , 1472969 , 2945938 , 10310783 , 20621566
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
-20621565
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 20621566 can be divided by 16 positive divisors.
The sum of these divisors (counting 20621566) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110101010100011111110
3
Ternary
1102210200110201
4
Quaternary
1032222203332
5
Quinary
20234342231
6
Senary
2013554114
8
Octal
116524376
10
Decimal
20621566
12
Duodecimal
6aa593a
16
Hexadecimal
13aa8fe
20
Vigesimal
68hdi6
36
Base36
c9zpa
md5
cf364abd0c487ce48df01913a8888bb4
sha1
73fc80f372de2cc4c4cf7e8e36ac6cc66fd2c5dd
sha256
413dc860af3e93d8f64ba88c1bc5fcf89a7f1218ee398c87eacd5f812ccab3e8
sha512
0d97852f07ac945a8b7f1fdeb4040963812c1f6576fa558dfadb9390ddf02af603c1efa789f58c5316e0dac5d1874153d2c3b3a8f38b62bef744c00646476397
ripemd-160
dc29be09f58f8e9744096ec4dc033e6b6a7588c0
Diameter
41243132
Circumference
129569120.50223
Area
1.3359590849994E+15
Volume
3.6732757926153E+22
Surface area
5.3438363399975E+15
Circumference
129569120.50223
Perimeter
82486264
Area
425248984292356
Diagonal
29163298.314572
Surface area
2551493905754136
Volume
8.7692999960178E+21
Space diagonal
35717600.043635
Perimeter
61864698
Area
1.8413821166536E+14
Altitude
17858800.021817
Surface area
1.8413821166536E+14
Volume
1.0334719155739E+21
Height
9721099.4381906