21372741 is an odd 8-digits composite number following 21372740
and preceding 21372742 . In scientific notation, it is written as 2.1372741 × 10^7.
The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors.
There are 13151808 positive integers (up to 21372741) that are relatively prime to 21372741.
21372741 has 12 divisors, whose sum is 25859652
The reverse of 21372741 is 14727312
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million three hundred seventy-two thousand seven hundred forty-one
Scientific notation
2.1372741 × 10^7
Engineering notation
2.1372741 × 10^6
Prime Factorization
9 × 9 × 13 × 20297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2374749
Product of the distinct prime numbers
The prime factorization of 21372741 is 9 × 9 × 13 × 20297.
Since it has a total of 4 prime factors.
8 , 5 , 92 , 43 , 256 , 920 , 2602 , 9355 , 87687 , 32817 , 664022 , 507850 , 6358017 , 1416558 , 53903111 , 90997744 , 759139506 , 66753304 , 7568292251 , 1191748011
n×2
42745482
n×3
64118223
n×4
85490964
n×5
106863705
n÷2
10686370.5
n÷3
7124247
n÷3
5343185.25
n÷5
4274548.2
n2
456794057853081
n3
9.7629410888329E+21
n4
2.0866081128988E+29
n5
4.4596534765486E+36
2 √n
4623.0661903114
3 √n
277.51517813255
4 √n
67.993133405597
5 √n
29.239641569994
1 , 9 , 13 , 81 , 117 , 1053 , 20297 , 182673 , 263861 , 1644057 , 2374749 , 21372741
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21372740
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21372741 can be divided by 12 positive divisors.
The sum of these divisors (counting 21372741) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010001100001111101000101
3
Ternary
1111012211220000
4
Quaternary
1101201331011
5
Quinary
20432411431
6
Senary
2042031513
8
Octal
121417505
10
Decimal
21372741
12
Duodecimal
71a8599
16
Hexadecimal
1461f45
20
Vigesimal
6dbbh1
36
Base36
cq3b9
md5
dcdd284cab5dd2e1c3567ae220bcfdb9
sha1
9a91a9828af8848eec7330b170b7f3db60680374
sha256
fa7447f96f1bf6c22e28abc7ade6fcfc19138cff3e95b035b2ba5109cd7ae269
sha512
042ff526e7e22378de4b7f2463abdcf82c1002afc0cb0e46f1843379ca0ce98fea03ed5e1868c0b77cd4daeab06b2817b1587b811755453ae2674e12bb409875
ripemd-160
2ed13200c8a33fa1535f27416aad060021e3991b
Diameter
42745482
Circumference
134288892.22535
Area
1.4350608563547E+15
Volume
4.089491200281E+22
Surface area
5.7402434254188E+15
Circumference
134288892.22535
Perimeter
85490964
Area
456794057853081
Diagonal
30225620.187288
Surface area
2740764347118486
Volume
9.7629410888329E+21
Space diagonal
37018673.30901
Perimeter
64118223
Area
1.9779762919927E+14
Altitude
18509336.654505
Surface area
1.9779762919927E+14
Volume
1.1505736413731E+21
Height
10075206.729096