213681921 is an odd 9-digits composite number following 213681920
and preceding 213681922 . In scientific notation, it is written as 2.13681921 × 10^8.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 138804624 positive integers (up to 213681921) that are relatively prime to 213681921.
213681921 has 16 divisors, whose sum is 292241664
The reverse of 213681921 is 129186312
Previous prime number is 467
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 33
Digital Root 6
Name
two hundred thirteen million six hundred eighty-one thousand nine hundred twenty-one
Scientific notation
2.13681921 × 10^8
Engineering notation
2.13681921 × 10^6
Prime Factorization
3 × 43 × 467 × 3547
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
213681921
Product of the distinct prime numbers
The prime factorization of 213681921 is 3 × 43 × 467 × 3547.
Since it has a total of 4 prime factors.
1 , 4 , 3 , 91 , 372 , 192 , 208 , 2732 , 98295 , 56265 , 33860 , 680007 , 2974415 , 3724806 , 96963057 , 94910276 , 384224685 , 356337880 , 9470779916 , 4368111337
n×2
427363842
n×3
641045763
n×4
854727684
n×5
1068409605
n÷2
106840960.5
n÷3
71227307
n÷3
53420480.25
n÷5
42736384.2
n2
45659963362250241
n3
9.7567086840352E+24
n4
2.084832254242E+33
n5
4.454909610492E+41
2 √n
14617.863079123
3 √n
597.84590627748
4 √n
120.9043550875
5 √n
46.339736064637
1 , 3 , 43 , 129 , 467 , 1401 , 3547 , 10641 , 20081 , 60243 , 152521 , 457563 , 1656449 , 4969347 , 71227307 , 213681921
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
-213681920
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 213681921 can be divided by 16 positive divisors.
The sum of these divisors (counting 213681921) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100101111001000011100000001
3
Ternary
112220002011111020
4
Quaternary
30233020130001
5
Quinary
414200310141
6
Senary
33111540053
8
Octal
1457103401
10
Decimal
213681921
12
Duodecimal
5b68a629
16
Hexadecimal
cbc8701
20
Vigesimal
36fa4g1
36
Base36
3j7y0x
md5
157e2610f8acdce5698c48e03d0ea7ff
sha1
710b5a2a7a12b55c2c2264b5f26a57e3c60b9c12
sha256
1cb1e91c29cf1a397f28e6e23b08c4369e59e9bec46d1c3e656ba9fee91ac340
sha512
77842469cbd0cb563b7b13a6f713807ab9cd1634adc143387fab664c71768b58660c18746edea06edbcb3ccc0af78cd7f6fe31be0b30bd349c235a2b7c7eccbd
ripemd-160
088d3794153414c66be52087813e52d0bca519cb
Diameter
427363842
Circumference
1342603106.4371
Area
1.4344500546202E+17
Volume
4.0868805766641E+25
Surface area
5.737800218481E+17
Circumference
1342603106.4371
Perimeter
854727684
Area
45659963362250241
Diagonal
302191870.71214
Surface area
273959780173501446
Volume
9.7567086840352E+24
Space diagonal
370107943.83092
Perimeter
641045763
Area
1.9771344103788E+16
Altitude
185053971.91546
Surface area
1.9771344103788E+16
Volume
1.1498391454238E+24
Height
100730623.57071