21453670 is an even 8-digits composite number following 21453669
and preceding 21453671 . In scientific notation, it is written as 2.1453670 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 24 positive divisors.
There are 7355376 positive integers (up to 21453670) that are relatively prime to 21453670.
21453670 has 24 divisors, whose sum is 44922384
The reverse of 21453670 is 07635412
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million four hundred fifty-three thousand six hundred seventy
Scientific notation
2.1453670 × 10^7
Engineering notation
2.1453670 × 10^6
Prime Factorization
2 × 5 × 7 × 7 × 43783
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
3064810
Product of the distinct prime numbers
The prime factorization of 21453670 is 2 × 5 × 7 × 7 × 43783.
Since it has a total of 5 prime factors.
10 , 4 , 97 , 43 , 539 , 291 , 6851 , 7955 , 5975 , 23642 , 428094 , 807517 , 553649 , 6983271 , 31987110 , 10528663 , 945738481 , 833196017 , 3519068639 , 7477175887
n×2
42907340
n×3
64361010
n×4
85814680
n×5
107268350
n÷2
10726835
n÷3
7151223.3333333
n÷3
5363417.5
n÷5
4290734
n2
460259956468900
n3
9.8742652202981E+21
n4
2.1183922752875E+29
n5
4.5447288804568E+36
2 √n
4631.8106610698
3 √n
277.86501218689
4 √n
68.057407099226
5 √n
29.261751592977
1 , 2 , 5 , 7 , 10 , 14 , 35 , 49 , 70 , 98 , 245 , 490 , 43783 , 87566 , 218915 , 306481 , 437830 , 612962 , 1532405 , 2145367 , 3064810 , 4290734 , 10726835 , 21453670
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21453669
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21453670 can be divided by 24 positive divisors.
The sum of these divisors (counting 21453670) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001110101101101100110
3
Ternary
1111100221220101
4
Quaternary
1101311231212
5
Quinary
20443004140
6
Senary
2043454314
8
Octal
121655546
10
Decimal
21453670
12
Duodecimal
722739a
16
Hexadecimal
1475b66
20
Vigesimal
6e1e3a
36
Base36
crtra
md5
8a2b205c37300c13f57ffdb4ca582752
sha1
0219bf0f023792fcbfbbb0d3c1d0cf544c08b26c
sha256
9936c6cf7e9c0df53a94455d3d08ddd8d72427dba31870af41989c1487672c14
sha512
705b9383f605fe57f8e07f391f1f1a6f17ba00846f36ca680447ab08ee714d57c1f399cf17e82e3e57f3734401bbc43d2f8b6b1c5d0a1ad1a7c76cab3875fbdd
ripemd-160
3b9e95304530c1aa6753a26d024fa557402b3f2d
Diameter
42907340
Circumference
134797384.12908
Area
1.4459492979843E+15
Volume
4.1361225434248E+22
Surface area
5.783797191937E+15
Circumference
134797384.12908
Perimeter
85814680
Area
460259956468900
Diagonal
30340071.076677
Surface area
2761559738813400
Volume
9.8742652202981E+21
Space diagonal
37158846.448816
Perimeter
64361010
Area
1.9929840732339E+14
Altitude
18579423.224408
Surface area
1.9929840732339E+14
Volume
1.1636933160845E+21
Height
10113357.025559