20121471 is an odd 8-digits composite number following 20121470
and preceding 20121472 . In scientific notation, it is written as 2.0121471 × 10^7.
The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors.
There are 13224960 positive integers (up to 20121471) that are relatively prime to 20121471.
20121471 has 8 divisors, whose sum is 22672800
The reverse of 20121471 is 17412102
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred twenty-one thousand four hundred seventy-one
Scientific notation
2.0121471 × 10^7
Engineering notation
2.0121471 × 10^6
Prime Factorization
9 × 71 × 31489
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20121471
Product of the distinct prime numbers
The prime factorization of 20121471 is 9 × 71 × 31489.
Since it has a total of 3 prime factors.
8 , 3 , 74 , 37 , 189 , 666 , 6073 , 8412 , 17345 , 57715 , 6339 , 301360 , 6740730 , 5323848 , 80811143 , 95879147 , 80546703 , 942583204 , 5119383945 , 4969197155
n×2
40242942
n×3
60364413
n×4
80485884
n×5
100607355
n÷2
10060735.5
n÷3
6707157
n÷3
5030367.75
n÷5
4024294.2
n2
404873595203841
n3
8.1466523045598E+21
n4
1.6392262809328E+29
n5
3.2983644074228E+36
2 √n
4485.6962670248
3 √n
271.99019121924
4 √n
66.9753407384
5 √n
28.888962517856
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
-20121470
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 20121471 can be divided by 8 positive divisors.
The sum of these divisors (counting 20121471) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100110000011101111111
3
Ternary
1101212021110200
4
Quaternary
1030300131333
5
Quinary
20122341341
6
Senary
1555134543
8
Octal
114603577
10
Decimal
20121471
12
Duodecimal
68a4453
16
Hexadecimal
133077f
20
Vigesimal
65f3db
36
Base36
bz9tr
md5
660c8bfbea05db8ade1b39e37a7ecc7c
sha1
c7164652f09ba25ad69a2a564b585dcab91df4a7
sha256
cce46e3fd30a75e05654b530a8025f06531b8edab72276d76dd766f37f4fe464
sha512
b282af666e3851f62d4c6d29b6e3a740f236c64e28d84d8430b05f310d764eb9daf834cf33cc776e9ce1da757275ccd95e52931f964567a887d055ea7739f41e
ripemd-160
e5e68feb98a370e8435ec41dd8c294251427fa55
Diameter
40242942
Circumference
126426930.94604
Area
1.2719479123249E+15
Volume
3.4124617375141E+22
Surface area
5.0877916492995E+15
Circumference
126426930.94604
Perimeter
80485884
Area
404873595203841
Diagonal
28456057.183097
Surface area
2429241571223046
Volume
8.1466523045598E+21
Space diagonal
34851410.095024
Perimeter
60364413
Area
1.7531540938403E+14
Altitude
17425705.047512
Surface area
1.7531540938403E+14
Volume
9.6009218142054E+20
Height
9485352.3943656