20921370 is an even 8-digits composite number following 20921369
and preceding 20921371 . In scientific notation, it is written as 2.0921370 × 10^7.
The sum of its digits is 24. It has a total of 4 prime factors and 16 positive divisors.
There are 5579024 positive integers (up to 20921370) that are relatively prime to 20921370.
20921370 has 16 divisors, whose sum is 50211360
The reverse of 20921370 is 07312902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty million nine hundred twenty-one thousand three hundred seventy
Scientific notation
2.0921370 × 10^7
Engineering notation
2.0921370 × 10^6
Prime Factorization
2 × 3 × 5 × 697379
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20921370
Product of the distinct prime numbers
The prime factorization of 20921370 is 2 × 3 × 5 × 697379.
Since it has a total of 4 prime factors.
9 , 10 , 52 , 12 , 32 , 853 , 1589 , 4350 , 10181 , 61063 , 427078 , 494483 , 594653 , 8599902 , 11958819 , 50351962 , 190578943 , 580603098 , 4079651604 , 5307774523
n×2
41842740
n×3
62764110
n×4
83685480
n×5
104606850
n÷2
10460685
n÷3
6973790
n÷3
5230342.5
n÷5
4184274
n2
437703722676900
n3
9.1573615325008E+21
n4
1.9158454884522E+29
n5
4.0082112326738E+36
2 √n
4573.9884127531
3 √n
275.54764696008
4 √n
67.631268010833
5 √n
29.115082431338
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 697379 , 1394758 , 2092137 , 3486895 , 4184274 , 6973790 , 10460685 , 20921370
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20921369
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20921370 can be divided by 16 positive divisors.
The sum of these divisors (counting 20921370) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111110011110000011010
3
Ternary
1110100220201120
4
Quaternary
1033303300122
5
Quinary
20323440440
6
Senary
2024230110
8
Octal
117636032
10
Decimal
20921370
12
Duodecimal
700b336
16
Hexadecimal
13f3c1a
20
Vigesimal
6af38a
36
Base36
cgf16
md5
1a23792dfe4ebfb6db62ae2d5e9e4808
sha1
ac75a244c1d91a17122e5b769d0efeeec7e319e8
sha256
53066b0e33ee71050663ae19bbe19b1272cb54e5422aeb6dcfd4b7489e2b8378
sha512
e9e858ed3a95e4ed84a947f71d849f67fe3ad46ffa6a3a8af0dd5fae8a39bd616f19d9c33f5d2ad40c9aa12dec4cf406e4f9ffabe14712e0431b30f9689cd10b
ripemd-160
a54c1462459fa7cea901fb49252755c623197f46
Diameter
41842740
Circumference
131452844.59007
Area
1.3750867996107E+15
Volume
3.8358266289027E+22
Surface area
5.5003471984426E+15
Circumference
131452844.59007
Perimeter
83685480
Area
437703722676900
Diagonal
29587285.197426
Surface area
2626222336061400
Volume
9.1573615325008E+21
Space diagonal
36236875.803947
Perimeter
62764110
Area
1.8953127158461E+14
Altitude
18118437.901974
Surface area
1.8953127158461E+14
Volume
1.0792054062347E+21
Height
9862428.3991419