21453923 is an odd 8-digits composite number following 21453922
and preceding 21453924 . In scientific notation, it is written as 2.1453923 × 10^7.
The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors.
There are 20791264 positive integers (up to 21453923) that are relatively prime to 21453923.
21453923 has 8 divisors, whose sum is 22126608
The reverse of 21453923 is 32935412
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million four hundred fifty-three thousand nine hundred twenty-three
Scientific notation
2.1453923 × 10^7
Engineering notation
2.1453923 × 10^6
Prime Factorization
83 × 53 × 4877
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21453923
Product of the distinct prime numbers
The prime factorization of 21453923 is 83 × 53 × 4877.
Since it has a total of 3 prime factors.
8 , 4 , 29 , 93 , 530 , 97 , 3297 , 8205 , 83923 , 37128 , 478367 , 454884 , 2654190 , 5531709 , 61419516 , 32092460 , 20511084 , 317521559 , 1337291204 , 1524448530
n×2
42907846
n×3
64361769
n×4
85815692
n×5
107269615
n÷2
10726961.5
n÷3
7151307.6666667
n÷3
5363480.75
n÷5
4290784.6
n2
460270812089929
n3
9.8746145617248E+21
n4
2.1184922046192E+29
n5
4.5449968634001E+36
2 √n
4631.8379721229
3 √n
277.86610445644
4 √n
68.057607746107
5 √n
29.261820608565
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
-21453922
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 21453923 can be divided by 8 positive divisors.
The sum of these divisors (counting 21453923) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010001110101110001100011
3
Ternary
1111100222020202
4
Quaternary
1101311301203
5
Quinary
20443011143
6
Senary
2043455415
8
Octal
121656143
10
Decimal
21453923
12
Duodecimal
722756b
16
Hexadecimal
1475c63
20
Vigesimal
6e1eg3
36
Base36
crtyb
md5
2d16e12c682d2bc15962ae384d565860
sha1
28b3ae18e5fb2e239285a0d39678f2e316c915f7
sha256
a995ca7a2241556d3ad05652b3403a39a687ad00509488938cd564819f91cbf7
sha512
0ea0008ea78c3b1c0b7422a039edd50c0a41febb2a985181a523a8012bc4b84994cb405a9edf46ddcabf3dceaad1d230a948a228c51f93bd74b3e54a5d8ac0bf
ripemd-160
d7592ef984ef4541b9400bc61d55a55afc7c2ddf
Diameter
42907846
Circumference
134798973.77496
Area
1.4459834019235E+15
Volume
4.1362688752194E+22
Surface area
5.7839336076941E+15
Circumference
134798973.77496
Perimeter
85815692
Area
460270812089929
Diagonal
30340428.872708
Surface area
2761624872539574
Volume
9.8746145617248E+21
Space diagonal
37159284.657671
Perimeter
64361769
Area
1.9930310794519E+14
Altitude
18579642.328835
Surface area
1.9930310794519E+14
Volume
1.1637344863665E+21
Height
10113476.290903