201247981 is an odd 9-digits composite number following 201247980
and preceding 201247982 . In scientific notation, it is written as 2.01247981 × 10^8.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 173323440 positive integers (up to 201247981) that are relatively prime to 201247981.
201247981 has 8 divisors, whose sum is 231098400
The reverse of 201247981 is 189742102
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 34
Digital Root 7
Name
two hundred one million two hundred forty-seven thousand nine hundred eighty-one
Scientific notation
2.01247981 × 10^8
Engineering notation
2.01247981 × 10^6
Prime Factorization
11 × 19 × 962909
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201247981
Product of the distinct prime numbers
The prime factorization of 201247981 is 11 × 19 × 962909.
Since it has a total of 3 prime factors.
7 , 6 , 27 , 11 , 448 , 468 , 3724 , 2928 , 36818 , 24505 , 312812 , 384492 , 5183800 , 130682 , 21373394 , 51981013 , 606825568 , 385522055 , 5029212660 , 8834492326
n×2
402495962
n×3
603743943
n×4
804991924
n×5
1006239905
n÷2
100623990.5
n÷3
67082660.333333
n÷3
50311995.25
n÷5
40249596.2
n2
40500749856576361
n3
8.150694137622E+24
n4
1.640310738945E+33
n5
3.3010922442529E+41
2 √n
14186.189798533
3 √n
586.01739922013
4 √n
119.10579246423
5 √n
45.787434078775
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
-201247980
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 201247981 can be divided by 8 positive divisors.
The sum of these divisors (counting 201247981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1011111111101100110011101101
3
Ternary
112000200110022221
4
Quaternary
23333230303231
5
Quinary
403004413411
6
Senary
31545235341
8
Octal
1377546355
10
Decimal
201247981
12
Duodecimal
57492b51
16
Hexadecimal
bfecced
20
Vigesimal
32hfjj1
36
Base36
3btfxp
md5
84bb8a1a52fd5a3f847dfb161de26f07
sha1
b5998075e5fe39fe7f9e0102269e0cd12a84b4b7
sha256
0235914e153c7ce4c40686b283c1e542ddcf9daddc337a85cebad2acbccd29fc
sha512
dc9c446e8d5f9d929f040ddd6b05f868c3adcdc850308b1e7f71f181569137fa3d27810b1e0f4925aeb05b52235e9591216a27bd379bca647dfff37d73a60ac2
ripemd-160
a195bafc3c7abde9811fc2ead63a78779ccb1eec
Diameter
402495962
Circumference
1264478357.3188
Area
1.272368582143E+17
Volume
3.4141547765881E+25
Surface area
5.0894743285719E+17
Circumference
1264478357.3188
Perimeter
804991924
Area
40500749856576361
Diagonal
284607624.1304
Surface area
243004499139458166
Volume
8.150694137622E+24
Space diagonal
348571728.01266
Perimeter
603743943
Area
1.7537339124057E+16
Altitude
174285864.00633
Surface area
1.7537339124057E+16
Volume
9.60568516015E+23
Height
94869208.043468