20213445 is an odd 8-digits composite number following 20213444
and preceding 20213446 . In scientific notation, it is written as 2.0213445 × 10^7.
The sum of its digits is 21. It has a total of 5 prime factors and 32 positive divisors.
There are 9195840 positive integers (up to 20213445) that are relatively prime to 20213445.
20213445 has 32 divisors, whose sum is 37140480
The reverse of 20213445 is 54431202
Previous prime number is 619
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million two hundred thirteen thousand four hundred forty-five
Scientific notation
2.0213445 × 10^7
Engineering notation
2.0213445 × 10^6
Prime Factorization
7 × 3 × 5 × 619 × 311
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20213445
Product of the distinct prime numbers
The prime factorization of 20213445 is 7 × 3 × 5 × 619 × 311.
Since it has a total of 5 prime factors.
3 , 10 , 4 , 59 , 256 , 490 , 9605 , 978 , 69230 , 50263 , 97969 , 507242 , 1026036 , 2913811 , 89040350 , 62716059 , 82368698 , 428127743 , 2176535968 , 2139539309
n×2
40426890
n×3
60640335
n×4
80853780
n×5
101067225
n÷2
10106722.5
n÷3
6737815
n÷3
5053361.25
n÷5
4042689
n2
408583358768025
n3
8.2588772503727E+21
n4
1.6694036106216E+29
n5
3.3744398066101E+36
2 √n
4495.9364986619
3 √n
272.40397817638
4 √n
67.051744933759
5 √n
28.915324294939
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 311 , 619 , 933 , 1555 , 1857 , 2177 , 3095 , 4333 , 4665 , 6531 , 9285 , 10885 , 12999 , 21665 , 32655 , 64995 , 192509 , 577527 , 962545 , 1347563 , 2887635 , 4042689 , 6737815 , 20213445
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20213444
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20213445 can be divided by 32 positive divisors.
The sum of these divisors (counting 20213445) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001101000110111011000101
3
Ternary
1102000221122010
4
Quaternary
1031012323011
5
Quinary
20133312240
6
Senary
2001124433
8
Octal
115067305
10
Decimal
20213445
12
Duodecimal
6929719
16
Hexadecimal
1346ec5
20
Vigesimal
666dc5
36
Base36
c18sl
md5
4da9ee7b4f7f8505e1e068c54b054994
sha1
000b696faa28fcc58e41ec90fd8948936507a3cd
sha256
31fe0a5e8c31c279792021929f98861964897d248b5a169b9fa62190d1eee3ec
sha512
9436e8b71a13fbdf78da71442a8adb6a28d17a1d580937f9560b0f9656d0852e74d225c88f9fd3980e184001a0dfa75e002255e90e4b79b8b63b1f0632e010a4
ripemd-160
40b6774db364bfe58b82e2ee6e39e767eb68f135
Diameter
40426890
Circumference
127004820.63148
Area
1.2836024782847E+15
Volume
3.4594704128894E+22
Surface area
5.1344099131387E+15
Circumference
127004820.63148
Perimeter
80853780
Area
408583358768025
Diagonal
28586128.061283
Surface area
2451500152608150
Volume
8.2588772503727E+21
Space diagonal
35010713.735999
Perimeter
60640335
Area
1.7692178412834E+14
Altitude
17505356.868
Surface area
1.7692178412834E+14
Volume
9.7331801812098E+20
Height
9528709.3537609