201855978 is an even 9-digits composite number following 201855977
and preceding 201855979 . In scientific notation, it is written as 2.01855978 × 10^8.
The sum of its digits is 45. It has a total of 4 prime factors and 12 positive divisors.
There are 67285320 positive integers (up to 201855978) that are relatively prime to 201855978.
201855978 has 12 divisors, whose sum is 437354658
The reverse of 201855978 is 879558102
Previous prime number is 3
Is Prime? no
Number parity even
Number length 9
Sum of Digits 45
Digital Root 9
Name
two hundred one million eight hundred fifty-five thousand nine hundred seventy-eight
Scientific notation
2.01855978 × 10^8
Engineering notation
2.01855978 × 10^6
Prime Factorization
2 × 3 × 3 × 11214221
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
67285326
Product of the distinct prime numbers
The prime factorization of 201855978 is 2 × 3 × 3 × 11214221.
Since it has a total of 4 prime factors.
10 , 7 , 96 , 41 , 1000 , 354 , 3593 , 6539 , 36392 , 73438 , 28657 , 485645 , 8730455 , 7772553 , 33425242 , 34197998 , 518974254 , 515799050 , 2543209967 , 7534472375
n×2
403711956
n×3
605567934
n×4
807423912
n×5
1009279890
n÷2
100927989
n÷3
67285326
n÷3
50463994.5
n÷5
40371195.6
n2
40745835854336484
n3
8.2247905458046E+24
n4
1.6602231394685E+33
n5
3.3512596551565E+41
2 √n
14207.60282384
3 √n
586.60695149485
4 √n
119.19564934946
5 √n
45.815066695604
1 , 2 , 3 , 6 , 9 , 18 , 11214221 , 22428442 , 33642663 , 67285326 , 100927989 , 201855978
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201855977
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201855978 can be divided by 12 positive divisors.
The sum of these divisors (counting 201855978) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1100000010000001001111101010
3
Ternary
112001211100100100
4
Quaternary
30002001033222
5
Quinary
403133342403
6
Senary
32010250230
8
Octal
1402011752
10
Decimal
201855978
12
Duodecimal
57726976
16
Hexadecimal
c0813ea
20
Vigesimal
331bjii
36
Base36
3c6h2i
md5
5290e9fd513c0a65572f1ec5ed700e1e
sha1
ac90f96c45ed0616befba8fbdf576850b1cac5d4
sha256
2ebe41fc580c62774da9a5e5a15a2079dad9122a4bd8e23548aa5551cca6599c
sha512
bc73693f1261fd483ec886e524128c3fbc26b2e4ee49be388742cda57cffacc0ff97960b2454775f808384d2699640d0c005cf6360f9ac296168d8cf3534a7cf
ripemd-160
2a892c34ced6dea384b4805ab43f4a6d610226fa
Diameter
403711956
Circumference
1268298515.136
Area
1.2800681858436E+17
Volume
3.4451922074686E+25
Surface area
5.1202727433744E+17
Circumference
1268298515.136
Perimeter
807423912
Area
40745835854336484
Diagonal
285467461.73369
Surface area
244475015126018904
Volume
8.2247905458046E+24
Space diagonal
349624809.70751
Perimeter
605567934
Area
1.7643464474143E+16
Altitude
174812404.85375
Surface area
1.7643464474143E+16
Volume
9.693008614629E+23
Height
95155820.577895