201991957 is an odd 9-digits composite number following 201991956
and preceding 201991958 . In scientific notation, it is written as 2.01991957 × 10^8.
The sum of its digits is 43. It has a total of 3 prime factors and 8 positive divisors.
There are 189563088 positive integers (up to 201991957) that are relatively prime to 201991957.
201991957 has 8 divisors, whose sum is 214752384
The reverse of 201991957 is 759199102
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
two hundred one million nine hundred ninety-one thousand nine hundred fifty-seven
Scientific notation
2.01991957 × 10^8
Engineering notation
2.01991957 × 10^6
Prime Factorization
23 × 53 × 165703
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
201991957
Product of the distinct prime numbers
The prime factorization of 201991957 is 23 × 53 × 165703.
Since it has a total of 3 prime factors.
6 , 2 , 74 , 91 , 134 , 424 , 903 , 5306 , 52653 , 30796 , 909886 , 835158 , 9923413 , 8996532 , 52842215 , 9031782 , 760802933 , 903808040 , 9939427311 , 3454060499
n×2
403983914
n×3
605975871
n×4
807967828
n×5
1009959785
n÷2
100995978.5
n÷3
67330652.333333
n÷3
50497989.25
n÷5
40398391.4
n2
40800750692689849
n3
8.2414234794855E+24
n4
1.664701257087E+33
n5
3.3625626473937E+41
2 √n
14212.387448983
3 √n
586.73864327961
4 √n
119.21571812887
5 √n
45.821237638872
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
-201991956
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 201991957 can be divided by 8 positive divisors.
The sum of these divisors (counting 201991957) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100000010100010011100010101
3
Ternary
112002002020212121
4
Quaternary
30002202130111
5
Quinary
403202220312
6
Senary
32013215541
8
Octal
1402423425
10
Decimal
201991957
12
Duodecimal
577915b1
16
Hexadecimal
c0a2715
20
Vigesimal
3328jhh
36
Base36
3c9dzp
md5
9a37644b0d2c6df2863dc7bce2f713e1
sha1
8d21538b6e9389b13a0db8ec18e74625040d3387
sha256
dd15d42b43cac70488056911b177ed54e89db8a9341fd2d5a835054adb981dd8
sha512
7f3e843da41f458baf88ca4deeed3835db0f83da549f777928ba14b718007fd947de65095508fcfb8a566e7191b5c01ec1ac9852691d3ba99dff4ebe80b14b7d
ripemd-160
9543245000059333a15f2eb51fc2b3cb1b5c05a8
Diameter
403983914
Circumference
1269152896.3909
Area
1.281793386371E+17
Volume
3.4521593944366E+25
Surface area
5.1271735454841E+17
Circumference
1269152896.3909
Perimeter
807967828
Area
40800750692689849
Diagonal
285659765.07968
Surface area
244804504156139094
Volume
8.2414234794855E+24
Space diagonal
349860332.24427
Perimeter
605975871
Area
1.7667243296672E+16
Altitude
174930166.12213
Surface area
1.7667243296672E+16
Volume
9.7126107149571E+23
Height
95219921.693228