21374645 is an odd 8-digits composite number following 21374644
and preceding 21374646 . In scientific notation, it is written as 2.1374645 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors.
There are 17059840 positive integers (up to 21374645) that are relatively prime to 21374645.
21374645 has 8 divisors, whose sum is 25709400
The reverse of 21374645 is 54647312
Previous prime number is 449
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million three hundred seventy-four thousand six hundred forty-five
Scientific notation
2.1374645 × 10^7
Engineering notation
2.1374645 × 10^6
Prime Factorization
5 × 449 × 9521
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21374645
Product of the distinct prime numbers
The prime factorization of 21374645 is 5 × 449 × 9521.
Since it has a total of 3 prime factors.
2 , 2 , 68 , 19 , 255 , 768 , 7843 , 9331 , 18950 , 31474 , 914017 , 822691 , 4579322 , 5041913 , 12785507 , 29176739 , 957054401 , 825600137 , 2844505539 , 6830646517
n×2
42749290
n×3
64123935
n×4
85498580
n×5
106873225
n÷2
10687322.5
n÷3
7124881.6666667
n÷3
5343661.25
n÷5
4274929
n2
456875448876025
n3
9.7655505289407E+21
n4
2.0873517578567E+29
n5
4.4616402814313E+36
2 √n
4623.2721096643
3 √n
277.52341874161
4 √n
67.994647654535
5 √n
29.240162516688
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
-21374644
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 21374645 can be divided by 8 positive divisors.
The sum of these divisors (counting 21374645) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001100010011010110101
3
Ternary
1111012221111112
4
Quaternary
1101202122311
5
Quinary
20432442040
6
Senary
2042044405
8
Octal
121423265
10
Decimal
21374645
12
Duodecimal
71a9705
16
Hexadecimal
14626b5
20
Vigesimal
6dbgc5
36
Base36
cq4s5
md5
61097ceb51c1042643bef23ea286b95f
sha1
14420496a52ac195f5fd950176e6c27841c38bba
sha256
0022142e0e04754885691045c5f9c6b2ff0ecde358124d2359120a7519035052
sha512
d3dd5746cc475568e35f81d1c4ea2f6edd14709ff8168978f2033c247d3f892d5029ffc5519d786595a8c22f49741ab50910c0e6e110ee2833d7e2fcf5871b89
ripemd-160
94ca1ab6dc294f6025d6e15f67359c618bf4ff18
Diameter
42749290
Circumference
134300855.41018
Area
1.4353165537945E+15
Volume
4.0905842399973E+22
Surface area
5.7412662151778E+15
Circumference
134300855.41018
Perimeter
85498580
Area
456875448876025
Diagonal
30228312.84991
Surface area
2741252693256150
Volume
9.7655505289407E+21
Space diagonal
37021971.133748
Perimeter
64123935
Area
1.9783287254603E+14
Altitude
18510985.566874
Surface area
1.9783287254603E+14
Volume
1.150881166839E+21
Height
10076104.283303