213401981 is an odd 9-digits composite number following 213401980
and preceding 213401982 . In scientific notation, it is written as 2.13401981 × 10^8.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 181917120 positive integers (up to 213401981) that are relatively prime to 213401981.
213401981 has 16 divisors, whose sum is 248088960
The reverse of 213401981 is 189104312
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 29
Digital Root 2
Name
two hundred thirteen million four hundred one thousand nine hundred eighty-one
Scientific notation
2.13401981 × 10^8
Engineering notation
2.13401981 × 10^6
Prime Factorization
29 × 23 × 13 × 24611
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
213401981
Product of the distinct prime numbers
The prime factorization of 213401981 is 29 × 23 × 13 × 24611.
Since it has a total of 4 prime factors.
3 , 6 , 80 , 91 , 724 , 690 , 7515 , 8028 , 7908 , 33578 , 689108 , 873779 , 4813978 , 5873776 , 11925130 , 83500022 , 39864727 , 958350486 , 7712042453 , 947234263
n×2
426803962
n×3
640205943
n×4
853607924
n×5
1067009905
n÷2
106700990.5
n÷3
71133993.666667
n÷3
53350495.25
n÷5
42680396.2
n2
45540405494724361
n3
9.7184127481175E+24
n4
2.0739285326239E+33
n5
4.4258045731437E+41
2 √n
14608.284670008
3 √n
597.58471724664
4 √n
120.86473708244
5 √n
46.327587962527
1 , 13 , 23 , 29 , 299 , 377 , 667 , 8671 , 24611 , 319943 , 566053 , 713719 , 7358689 , 9278347 , 16415537 , 213401981
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
-213401980
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 213401981 can be divided by 16 positive divisors.
The sum of these divisors (counting 213401981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100101110000100000101111101
3
Ternary
112212112221111002
4
Quaternary
30232010011331
5
Quinary
414112330411
6
Senary
33101540045
8
Octal
1456040575
10
Decimal
213401981
12
Duodecimal
5b574625
16
Hexadecimal
cb8417d
20
Vigesimal
36df4j1
36
Base36
3j1y0t
md5
56d5754504da92d1eb5c9fef2bff55f3
sha1
44d41636b6b8896b68951a6a0e124a7ffeea3c52
sha256
170a9fddba90de392955478a38fbeb1888e61a9a0e7b323fd6ed690d2bbc8a44
sha512
2dcc9b543316bfa048527c008330a1846f350deaf88542deb7a7b20472772e7dc7a4ac62fd20bc82dc29c090b0b5bc55f5ae9f59523566ac14dc869d3f418d9f
ripemd-160
637c11f2db29254f7400ea209d9eed776b45e43b
Diameter
426803962
Circumference
1340844191.5422
Area
1.4306940334373E+17
Volume
4.0708392125386E+25
Surface area
5.7227761337491E+17
Circumference
1340844191.5422
Perimeter
853607924
Area
45540405494724361
Diagonal
301795975.76749
Surface area
273242432968346166
Volume
9.7184127481175E+24
Space diagonal
369623073.52785
Perimeter
640205943
Area
1.9719574028538E+16
Altitude
184811536.76392
Surface area
1.9719574028538E+16
Volume
1.1453259260939E+24
Height
100598658.58916