21542670 is an even 8-digits composite number following 21542669
and preceding 21542671 . In scientific notation, it is written as 2.1542670 × 10^7.
The sum of its digits is 27. It has a total of 5 prime factors and 32 positive divisors.
There are 5645952 positive integers (up to 21542670) that are relatively prime to 21542670.
21542670 has 32 divisors, whose sum is 43826400
The reverse of 21542670 is 07624512
Previous prime number is 59
Is Prime? no
Number parity even
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million five hundred forty-two thousand six hundred seventy
Scientific notation
2.1542670 × 10^7
Engineering notation
2.1542670 × 10^6
Prime Factorization
2 × 9 × 5 × 59 × 4057
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21542670
Product of the distinct prime numbers
The prime factorization of 21542670 is 2 × 9 × 5 × 59 × 4057.
Since it has a total of 5 prime factors.
1 , 3 , 15 , 28 , 224 , 89 , 7692 , 4240 , 36861 , 71791 , 890142 , 220930 , 3193070 , 4349445 , 29792845 , 78056986 , 124883671 , 754845934 , 1526011015 , 5668842500
n×2
43085340
n×3
64628010
n×4
86170680
n×5
107713350
n÷2
10771335
n÷3
7180890
n÷3
5385667.5
n÷5
4308534
n2
464086630728900
n3
9.9976651372046E+21
n4
2.153764008213E+29
n5
4.639782728681E+36
2 √n
4641.4081914867
3 √n
278.24872069992
4 √n
68.127881160995
5 √n
29.285989731025
1 , 2 , 5 , 9 , 10 , 18 , 45 , 59 , 90 , 118 , 295 , 531 , 590 , 1062 , 2655 , 4057 , 5310 , 8114 , 20285 , 36513 , 40570 , 73026 , 182565 , 239363 , 365130 , 478726 , 1196815 , 2154267 , 2393630 , 4308534 , 10771335 , 21542670
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
-21542669
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 21542670 can be divided by 32 positive divisors.
The sum of these divisors (counting 21542670) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001011011100001110
3
Ternary
1111112110222200
4
Quaternary
1102023130032
5
Quinary
21003331140
6
Senary
2045422330
8
Octal
122133416
10
Decimal
21542670
12
Duodecimal
726a9a6
16
Hexadecimal
148b70e
20
Vigesimal
6ecgda
36
Base36
ctqfi
md5
f506567d6024700ae3d331da80aa6486
sha1
53e95ab2b513b0a9ca9412816aa551c727a3f7c3
sha256
4b5c5e2d5fcb3040dd4af668ab48d61bb751cb7b48ac0855d04ca25dcf973c23
sha512
7dfe39cd19a6bdfdd3c928612841f76510d6d7948c9dfccb55a910257243290f13d15e5ecd62d5a67f3f7fe1965f1ec8c6f4d04b99e553f517b955d86e979e5b
ripemd-160
19011e6b86247b0a3ac3787218295c5b8a390920
Diameter
43085340
Circumference
135356587.62142
Area
1.4579711497272E+15
Volume
4.1878121797457E+22
Surface area
5.8318845989086E+15
Circumference
135356587.62142
Perimeter
86170680
Area
464086630728900
Diagonal
30465936.083728
Surface area
2784519784373400
Volume
9.9976651372046E+21
Space diagonal
37312998.97069
Perimeter
64628010
Area
2.0095540588398E+14
Altitude
18656499.485345
Surface area
2.0095540588398E+14
Volume
1.1782361357583E+21
Height
10155312.027909