21071490 is an even 8-digits composite number following 21071489
and preceding 21071491 . In scientific notation, it is written as 2.1071490 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 5108160 positive integers (up to 21071490) that are relatively prime to 21071490.
21071490 has 32 divisors, whose sum is 55169856
The reverse of 21071490 is 09417012
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million seventy-one thousand four hundred ninety
Scientific notation
2.1071490 × 10^7
Engineering notation
2.1071490 × 10^6
Prime Factorization
2 × 5 × 3 × 11 × 63853
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21071490
Product of the distinct prime numbers
The prime factorization of 21071490 is 2 × 5 × 3 × 11 × 63853.
Since it has a total of 5 prime factors.
3 , 5 , 5 , 58 , 578 , 122 , 6894 , 315 , 92230 , 28286 , 959136 , 786063 , 536359 , 3842687 , 23670562 , 18720212 , 485869529 , 992302129 , 3787759981 , 4694780803
n×2
42142980
n×3
63214470
n×4
84285960
n×5
105357450
n÷2
10535745
n÷3
7023830
n÷3
5267872.5
n÷5
4214298
n2
444007690820100
n3
9.3559036170388E+21
n4
1.971428295074E+29
n5
4.1540931605368E+36
2 √n
4590.369266192
3 √n
276.20513525142
4 √n
67.752263919311
5 √n
29.156745717031
1 , 2 , 3 , 5 , 6 , 10 , 11 , 15 , 22 , 30 , 33 , 55 , 66 , 110 , 165 , 330 , 63853 , 127706 , 191559 , 319265 , 383118 , 638530 , 702383 , 957795 , 1404766 , 1915590 , 2107149 , 3511915 , 4214298 , 7023830 , 10535745 , 21071490
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
-21071489
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 21071490 can be divided by 32 positive divisors.
The sum of these divisors (counting 21071490) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011000011010000010
3
Ternary
1110122112122120
4
Quaternary
1100120122002
5
Quinary
20343241430
6
Senary
2031345110
8
Octal
120303202
10
Decimal
21071490
12
Duodecimal
7082196
16
Hexadecimal
1418682
20
Vigesimal
6bdiea
36
Base36
cjmv6
md5
d8a5cf82b9e251b72a537479c940243b
sha1
085fb4a2128430769c27fd16586c817f72d438f2
sha256
92f881f4cf09c3186f6a5c7e4587c62dc83bbe040682c16e91daaef21b981786
sha512
dfe7adc116ae59ddfb8a54c7279047af872b66129c4bed55262676a403f2828d45d9417c4eec8246bc55644e863c96c88ff1d793a2a2de67b2fafbdb718fe779
ripemd-160
05a16c8ac5a89b7defbd7e059c9cf4d25f3b3b8a
Diameter
42142980
Circumference
132396076.36838
Area
1.3948912996178E+15
Volume
3.9189917427978E+22
Surface area
5.5795651984712E+15
Circumference
132396076.36838
Perimeter
84285960
Area
444007690820100
Diagonal
29799586.937409
Surface area
2664046144920600
Volume
9.3559036170388E+21
Space diagonal
36496891.27118
Perimeter
63214470
Area
1.9226096986294E+14
Altitude
18248445.63559
Surface area
1.9226096986294E+14
Volume
1.1026038152893E+21
Height
9933195.645803