20187954 is an even 8-digits composite number following 20187953
and preceding 20187955 . In scientific notation, it is written as 2.0187954 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 6729156 positive integers (up to 20187954) that are relatively prime to 20187954.
20187954 has 16 divisors, whose sum is 34893600
The reverse of 20187954 is 45978102
Previous prime number is 27
Is Prime? no
Number parity even
Number length 8
Sum of Digits 36
Digital Root 9
Name
twenty million one hundred eighty-seven thousand nine hundred fifty-four
Scientific notation
2.0187954 × 10^7
Engineering notation
2.0187954 × 10^6
Prime Factorization
2 × 9 × 27 × 41539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20187954
Product of the distinct prime numbers
The prime factorization of 20187954 is 2 × 9 × 27 × 41539.
Since it has a total of 4 prime factors.
10 , 9 , 10 , 44 , 877 , 640 , 5644 , 3305 , 67338 , 44988 , 750676 , 532268 , 9454153 , 3846267 , 40715643 , 99134289 , 541594179 , 489759639 , 9771322558 , 8324946753
n×2
40375908
n×3
60563862
n×4
80751816
n×5
100939770
n÷2
10093977
n÷3
6729318
n÷3
5046988.5
n÷5
4037590.8
n2
407553486706116
n3
8.2276710421627E+21
n4
1.6609984452631E+29
n5
3.3532160207043E+36
2 √n
4493.1007110903
3 √n
272.28942124332
4 √n
67.030595335938
5 √n
28.908027640425
1 , 2 , 9 , 18 , 27 , 54 , 243 , 486 , 41539 , 83078 , 373851 , 747702 , 1121553 , 2243106 , 10093977 , 20187954
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
-20187953
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 20187954 can be divided by 16 positive divisors.
The sum of these divisors (counting 20187954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000101100110010
3
Ternary
1101222122200000
4
Quaternary
1031000230302
5
Quinary
20132003304
6
Senary
2000410430
8
Octal
115005462
10
Decimal
20187954
12
Duodecimal
6916a16
16
Hexadecimal
1340b32
20
Vigesimal
6639he
36
Base36
c0p4i
md5
9b32d1484228d5d07e122f0ffad3f17a
sha1
0fa97bce1176d6ec2fa2f10a70b908268403d87c
sha256
8d4f12c1e9eb2f6104868c40e51edc65c534460c8a51399de8b706301a0c6bf4
sha512
a4d9d07360495c105d041aa61c473e4533d56ab547fc204bac0306ac67e80e0fb80acadf3a6d3806fae750b21be035f7293b4798c877a411a55af7e08e75043f
ripemd-160
d787ea8c4c82f4127f18eb499359972d4f80ded8
Diameter
40375908
Circumference
126844655.95482
Area
1.2803670397808E+15
Volume
3.4463987869616E+22
Surface area
5.1214681591234E+15
Circumference
126844655.95482
Perimeter
80751816
Area
407553486706116
Diagonal
28550078.343364
Surface area
2445320920236696
Volume
8.2276710421627E+21
Space diagonal
34966562.028863
Perimeter
60563862
Area
1.7647583644421E+14
Altitude
17483281.014432
Surface area
1.7647583644421E+14
Volume
9.6964033121424E+20
Height
9516692.7811214