20121554 is an even 8-digits composite number following 20121553
and preceding 20121555 . In scientific notation, it is written as 2.0121554 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 10051200 positive integers (up to 20121554) that are relatively prime to 20121554.
20121554 has 8 divisors, whose sum is 30211068
The reverse of 20121554 is 45512102
Previous prime number is 1201
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million one hundred twenty-one thousand five hundred fifty-four
Scientific notation
2.0121554 × 10^7
Engineering notation
2.0121554 × 10^6
Prime Factorization
2 × 1201 × 8377
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121554
Product of the distinct prime numbers
The prime factorization of 20121554 is 2 × 1201 × 8377.
Since it has a total of 3 prime factors.
5 , 4 , 38 , 8 , 208 , 760 , 2263 , 9945 , 86623 , 52401 , 359153 , 77134 , 7712273 , 8364189 , 62905118 , 74385564 , 827770647 , 659060988 , 1306984670 , 5022205612
n×2
40243108
n×3
60364662
n×4
80486216
n×5
100607770
n÷2
10060777
n÷3
6707184.6666667
n÷3
5030388.5
n÷5
4024310.8
n2
404876935374916
n3
8.1467531185009E+21
n4
1.6392533279858E+29
n5
3.2984324358747E+36
2 √n
4485.7055186448
3 √n
271.99056520042
4 √n
66.975409805725
5 √n
28.888986350904
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20121553
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20121554 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121554) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011111010010
3
Ternary
1101212021120202
4
Quaternary
1030300133102
5
Quinary
20122342204
6
Senary
1555135202
8
Octal
114603722
10
Decimal
20121554
12
Duodecimal
68a4502
16
Hexadecimal
13307d2
20
Vigesimal
65f3he
36
Base36
bz9w2
md5
d177e3ba75bb61e433b512f534980e26
sha1
c860037c7dae737da60e556f584ae731ca866c28
sha256
4442760686e53ce0316b75790f72de42932ff98fc809f6477729add0d2ddeb9c
sha512
7ebe764923cfc90a7fe7a7cd9e7b52790bc51d5999626d480abb394a06f38b4da383ecbb22ba5342e35849698eb20acef9eccecdd486ba3810c3c573f5da4340
ripemd-160
3cc0600956ec50581c3f3094b9ed77c33f9fff6e
Diameter
40243108
Circumference
126427452.45042
Area
1.2719584057818E+15
Volume
3.4125039663589E+22
Surface area
5.0878336231271E+15
Circumference
126427452.45042
Perimeter
80486216
Area
404876935374916
Diagonal
28456174.562823
Surface area
2429261612249496
Volume
8.1467531185009E+21
Space diagonal
34851553.855241
Perimeter
60364662
Area
1.7531685572053E+14
Altitude
17425776.92762
Surface area
1.7531685572053E+14
Volume
9.6010406245744E+20
Height
9485391.5209409