201997981 is an odd 9-digits composite number following 201997980
and preceding 201997982 . In scientific notation, it is written as 2.01997981 × 10^8.
The sum of its digits is 46. It has a total of 2 prime factors and 4 positive divisors.
There are 201823132 positive integers (up to 201997981) that are relatively prime to 201997981.
201997981 has 4 divisors, whose sum is 202172832
The reverse of 201997981 is 189799102
Previous prime number is 1163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
two hundred one million nine hundred ninety-seven thousand nine hundred eighty-one
Scientific notation
2.01997981 × 10^8
Engineering notation
2.01997981 × 10^6
Prime Factorization
1163 × 173687
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
201997981
Product of the distinct prime numbers
The prime factorization of 201997981 is 1163 × 173687.
Since it has a total of 2 prime factors.
5 , 8 , 6 , 88 , 114 , 690 , 4225 , 1056 , 96023 , 55331 , 319317 , 991208 , 7074719 , 8344040 , 16306842 , 70630245 , 568975245 , 874832161 , 4954975233 , 6733233765
n×2
403995962
n×3
605993943
n×4
807991924
n×5
1009989905
n÷2
100998990.5
n÷3
67332660.333333
n÷3
50499495.25
n÷5
40399596.2
n2
40803184328076361
n3
8.2421608526423E+24
n4
1.664899851311E+33
n5
3.3630640853202E+41
2 √n
14212.599375202
3 √n
586.74447598454
4 √n
119.21660696062
5 √n
45.821510940688
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-201997980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 201997981 can be divided by 4 positive divisors.
The sum of these divisors (counting 201997981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1100000010100011111010011101
3
Ternary
112002002120010201
4
Quaternary
30002203322131
5
Quinary
403202413411
6
Senary
32013303501
8
Octal
1402437235
10
Decimal
201997981
12
Duodecimal
57794b91
16
Hexadecimal
c0a3e9d
20
Vigesimal
3329ej1
36
Base36
3c9in1
md5
4ad5ac29ca614f4f19248e3712ecc3a5
sha1
5e5985b4a056f194888a35f5bf1449b61c7d65bb
sha256
e2e1a53698af51e059b48653a5b17fb307aea2ec55ae0004ff0ea19fa020ab15
sha512
efdbecf095a8d2f28eed9966549bf916b5367a46359870fb644432e9f7bcd14c0f6c418dcb4ef9e5639a5564bfe2eb0f28d88436b0a4c5c9294f138833deef90
ripemd-160
8239571261097675c7ec99803621b9dc63972e7b
Diameter
403995962
Circumference
1269190746.2991
Area
1.2818698412815E+17
Volume
3.4524682645822E+25
Surface area
5.1274793651262E+17
Circumference
1269190746.2991
Perimeter
807991924
Area
40803184328076361
Diagonal
285668284.30218
Surface area
244819105968458166
Volume
8.2421608526423E+24
Space diagonal
349870766.11833
Perimeter
605993943
Area
1.7668297091707E+16
Altitude
174935383.05917
Surface area
1.7668297091707E+16
Volume
9.7134797175561E+23
Height
95222761.434061