201809121 is an odd 9-digits composite number following 201809120
and preceding 201809122 . In scientific notation, it is written as 2.01809121 × 10^8.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 134478192 positive integers (up to 201809121) that are relatively prime to 201809121.
201809121 has 8 divisors, whose sum is 269201280
The reverse of 201809121 is 121908102
Previous prime number is 28229
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 24
Digital Root 6
Name
two hundred one million eight hundred nine thousand one hundred twenty-one
Scientific notation
2.01809121 × 10^8
Engineering notation
2.01809121 × 10^6
Prime Factorization
3 × 28229 × 2383
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201809121
Product of the distinct prime numbers
The prime factorization of 201809121 is 3 × 28229 × 2383.
Since it has a total of 3 prime factors.
8 , 7 , 33 , 89 , 355 , 851 , 6806 , 4299 , 1091 , 60008 , 143409 , 659451 , 7708788 , 5479102 , 30351096 , 34091643 , 970876377 , 592786266 , 3397508912 , 3195728112
n×2
403618242
n×3
605427363
n×4
807236484
n×5
1009045605
n÷2
100904560.5
n÷3
67269707
n÷3
50452280.25
n÷5
40361824.2
n2
40726921318792641
n3
8.2190641923817E+24
n4
1.6586821201071E+33
n5
3.3473718067724E+41
2 √n
14205.953716664
3 √n
586.56155812527
4 √n
119.18873150036
5 √n
45.812939479992
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
-201809120
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 201809121 can be divided by 8 positive divisors.
The sum of these divisors (counting 201809121) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000001110101110011100001
3
Ternary
112001201222001220
4
Quaternary
30001311303201
5
Quinary
403130342441
6
Senary
32005245253
8
Octal
1401656341
10
Decimal
201809121
12
Duodecimal
57703829
16
Hexadecimal
c075ce1
20
Vigesimal
33162g1
36
Base36
3c5gwx
md5
58ed6ebddbb6e42dab57b985c0edf849
sha1
f4638e5d7486555e59bbdb4ed307303d84c10995
sha256
0b78c375336d4068af7ba56f35ba37f7a26bdd5d06353a38a6b42edb5fa6a015
sha512
3f998a000b586a902f277ca684dd797d57e4f50f06970e2330e19b4c6c65cf7de611b1178a4a3da11e949d4f7d36eeed66d1db0f3157331cd1c7a157cbd5b7bc
ripemd-160
2690def74f1537789ffbc69451cbf110d64fe420
Diameter
403618242
Circumference
1268004103.922
Area
1.2794739681845E+17
Volume
3.4427935581559E+25
Surface area
5.1178958727379E+17
Circumference
1268004103.922
Perimeter
807236484
Area
40726921318792641
Diagonal
285401195.92879
Surface area
244361527912755846
Volume
8.2190641923817E+24
Space diagonal
349543651.00282
Perimeter
605427363
Area
1.7635274240002E+16
Altitude
174771825.50141
Surface area
1.7635274240002E+16
Volume
9.6862600424011E+23
Height
95133731.976264