213540981 is an odd 9-digits composite number following 213540980
and preceding 213540982 . In scientific notation, it is written as 2.13540981 × 10^8.
The sum of its digits is 33. It has a total of 3 prime factors and 8 positive divisors.
There are 134867952 positive integers (up to 213540981) that are relatively prime to 213540981.
213540981 has 8 divisors, whose sum is 299706720
The reverse of 213540981 is 189045312
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred thirteen million five hundred forty thousand nine hundred eighty-one
Scientific notation
2.13540981 × 10^8
Engineering notation
2.13540981 × 10^6
Prime Factorization
3 × 19 × 3746333
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
213540981
Product of the distinct prime numbers
The prime factorization of 213540981 is 3 × 19 × 3746333.
Since it has a total of 3 prime factors.
10 , 10 , 17 , 8 , 189 , 2 , 7949 , 8444 , 28343 , 92879 , 187417 , 529861 , 4208370 , 2857821 , 86970438 , 98940616 , 884615732 , 345820103 , 5910603094 , 3003601956
n×2
427081962
n×3
640622943
n×4
854163924
n×5
1067704905
n÷2
106770490.5
n÷3
71180327
n÷3
53385245.25
n÷5
42708196.2
n2
45599750566442361
n3
9.7374154693134E+24
n4
2.0793372517218E+33
n5
4.4402371656251E+41
2 √n
14613.041469865
3 √n
597.71443526692
4 √n
120.88441367631
5 √n
46.333621512533
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
-213540980
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 213540981 can be divided by 8 positive divisors.
The sum of these divisors (counting 213540981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100101110100110000001110101
3
Ternary
112212211000011020
4
Quaternary
30232212001311
5
Quinary
414131302411
6
Senary
33104531353
8
Octal
1456460165
10
Decimal
213540981
12
Duodecimal
5b620b59
16
Hexadecimal
cba6075
20
Vigesimal
36ecc91
36
Base36
3j4x9x
md5
cdc4a4fb82fb7a1d93da001e052112b2
sha1
dc5411431c1a610e897735e83cd635814bf50dea
sha256
532d3916d9ea049df373e568ffae0640260a72979408717d1c9f8094ff744d22
sha512
c5a8b8b1c47d852b9aa1deae26db9b18586659961b4460bce3391967b825f507e0a94918e7d2975749694a3f698f8f2bf9699ca3a774a83684b34711e2b7716b
ripemd-160
d2f687fb3e0c255c46014ee79e3aab26b42ada03
Diameter
427081962
Circumference
1341717554.2999
Area
1.4325584138506E+17
Volume
4.0787990537795E+25
Surface area
5.7302336554025E+17
Circumference
1341717554.2999
Perimeter
854163924
Area
45599750566442361
Diagonal
301992551.45266
Surface area
273598503398654166
Volume
9.7374154693134E+24
Space diagonal
369863828.5901
Perimeter
640622943
Area
1.9745271198386E+16
Altitude
184931914.29505
Surface area
1.9745271198386E+16
Volume
1.1475654182637E+24
Height
100664183.81755