201128991 is an odd 9-digits composite number following 201128990
and preceding 201128992 . In scientific notation, it is written as 2.01128991 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 114157728 positive integers (up to 201128991) that are relatively prime to 201128991.
201128991 has 16 divisors, whose sum is 308544000
The reverse of 201128991 is 199821102
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred one million one hundred twenty-eight thousand nine hundred ninety-one
Scientific notation
2.01128991 × 10^8
Engineering notation
2.01128991 × 10^6
Prime Factorization
3 × 7 × 149 × 64279
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
201128991
Product of the distinct prime numbers
The prime factorization of 201128991 is 3 × 7 × 149 × 64279.
Since it has a total of 4 prime factors.
3 , 7 , 63 , 39 , 882 , 271 , 2937 , 2475 , 69358 , 83255 , 368894 , 395915 , 5262778 , 8769771 , 93972770 , 45924519 , 340058085 , 868114018 , 5619165591 , 8186409576
n×2
402257982
n×3
603386973
n×4
804515964
n×5
1005644955
n÷2
100564495.5
n÷3
67042997
n÷3
50282247.75
n÷5
40225798.2
n2
40452871020678081
n3
8.1362451314421E+24
n4
1.6364347738156E+33
n5
3.2913447489485E+41
2 √n
14181.995310957
3 √n
585.90188011876
4 √n
119.08818291903
5 √n
45.782018336719
1 , 3 , 7 , 21 , 149 , 447 , 1043 , 3129 , 64279 , 192837 , 449953 , 1349859 , 9577571 , 28732713 , 67042997 , 201128991
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201128990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201128991 can be divided by 16 positive divisors.
The sum of these divisors (counting 201128991) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1011111111001111110000011111
3
Ternary
112000110102002220
4
Quaternary
23333033300133
5
Quinary
402442111431
6
Senary
31542520423
8
Octal
1377176037
10
Decimal
201128991
12
Duodecimal
57436113
16
Hexadecimal
bfcfc1f
20
Vigesimal
32h129b
36
Base36
3bqw4f
md5
7dcbe8434cf55feef3297e3ac5bcea03
sha1
a680c8485a4e624d78120fdeb1f195818bc580b2
sha256
b66d77b28aca7b46a00927dc9ebf49445341a6d084c6fe1c29a72bf373f05b5c
sha512
f8b9f247a80a900189370b201b7fea41cc27a6619443ee578dd485b02f1ee0c63e863e71d8602638a479f619c216b24b521767ad7626ba36a82cf5106c220068
ripemd-160
ea0e0af844b1ecb957c140fee9c25a1280d5c14c
Diameter
402257982
Circumference
1263730721.0991
Area
1.2708644241518E+17
Volume
3.4081023910326E+25
Surface area
5.0834576966071E+17
Circumference
1263730721.0991
Perimeter
804515964
Area
40452871020678081
Diagonal
284439346.85862
Surface area
242717226124068486
Volume
8.1362451314421E+24
Space diagonal
348365631.28706
Perimeter
603386973
Area
1.7516606979961E+16
Altitude
174182815.64353
Surface area
1.7516606979961E+16
Volume
9.5886568430646E+23
Height
94813115.619539