20121954 is an even 8-digits composite number following 20121953
and preceding 20121955 . In scientific notation, it is written as 2.0121954 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 6693840 positive integers (up to 20121954) that are relatively prime to 20121954.
20121954 has 16 divisors, whose sum is 40324800
The reverse of 20121954 is 45912102
Previous prime number is 541
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million one hundred twenty-one thousand nine hundred fifty-four
Scientific notation
2.0121954 × 10^7
Engineering notation
2.0121954 × 10^6
Prime Factorization
2 × 3 × 541 × 6199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20121954
Product of the distinct prime numbers
The prime factorization of 20121954 is 2 × 3 × 541 × 6199.
Since it has a total of 4 prime factors.
2 , 2 , 78 , 43 , 863 , 866 , 8853 , 1854 , 57748 , 22983 , 742914 , 880232 , 6114624 , 7007230 , 63348105 , 4848497 , 446613265 , 502145172 , 2634351969 , 3198883966
n×2
40243908
n×3
60365862
n×4
80487816
n×5
100609770
n÷2
10060977
n÷3
6707318
n÷3
5030488.5
n÷5
4024390.8
n2
404893032778116
n3
8.1472389804817E+21
n4
1.6393836799226E+29
n5
3.2987602995753E+36
2 √n
4485.7501044976
3 √n
271.99236750498
4 √n
66.975742657305
5 √n
28.889101207864
1 , 2 , 3 , 6 , 541 , 1082 , 1623 , 3246 , 6199 , 12398 , 18597 , 37194 , 3353659 , 6707318 , 10060977 , 20121954
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
-20121953
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 20121954 can be divided by 16 positive divisors.
The sum of these divisors (counting 20121954) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100110000100101100010
3
Ternary
1101212022010120
4
Quaternary
1030300211202
5
Quinary
20122400304
6
Senary
1555141110
8
Octal
114604542
10
Decimal
20121954
12
Duodecimal
68a4796
16
Hexadecimal
1330962
20
Vigesimal
65f4he
36
Base36
bza76
md5
4d75fdb1b7539fdaddee8bf5832d386c
sha1
852e66f26c8839967f83c4a8c7f4e6f055a86e83
sha256
d6db416ff46881f3033c6549bcebf77bd6efc9457c938d0b42aec88991e830cc
sha512
440b01b93b383ace8011ebb61ab8a86e2f51aa76c8c55cbefe7cda3abb0008151f66998b9a87e1b36c5aea45b56f794630aff85e7916cf041c0c3801d68441b9
ripemd-160
fe714f4d341ac3401abbb07afcb0bf8689a9d5b0
Diameter
40243908
Circumference
126429965.72454
Area
1.2720089772654E+15
Volume
3.4127074837496E+22
Surface area
5.0880359090617E+15
Circumference
126429965.72454
Perimeter
80487816
Area
404893032778116
Diagonal
28456740.248248
Surface area
2429358196668696
Volume
8.1472389804817E+21
Space diagonal
34852246.675564
Perimeter
60365862
Area
1.7532382610059E+14
Altitude
17426123.337782
Surface area
1.7532382610059E+14
Volume
9.60161321841E+20
Height
9485580.0827492