21906412 is an even 8-digits composite number following 21906411
and preceding 21906413 . In scientific notation, it is written as 2.1906412 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 12 positive divisors.
There are 9957440 positive integers (up to 21906412) that are relatively prime to 21906412.
21906412 has 12 divisors, whose sum is 41821416
The reverse of 21906412 is 21460912
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million nine hundred six thousand four hundred twelve
Scientific notation
2.1906412 × 10^7
Engineering notation
2.1906412 × 10^6
Prime Factorization
2 × 2 × 11 × 497873
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10953206
Product of the distinct prime numbers
The prime factorization of 21906412 is 2 × 2 × 11 × 497873.
Since it has a total of 4 prime factors.
4 , 8 , 52 , 99 , 797 , 143 , 3990 , 770 , 86510 , 54830 , 442296 , 802539 , 830987 , 5684973 , 71108797 , 82117022 , 260219525 , 126359142 , 1798359203 , 625627456
n×2
43812824
n×3
65719236
n×4
87625648
n×5
109532060
n÷2
10953206
n÷3
7302137.3333333
n÷3
5476603
n÷5
4381282.4
n2
479890886713744
n3
1.0512687479397E+22
n4
2.302952631509E+29
n5
5.0449429162321E+36
2 √n
4680.4286128516
3 √n
279.80603914036
4 √n
68.413658087049
5 √n
29.384225639044
1 , 2 , 4 , 11 , 22 , 44 , 497873 , 995746 , 1991492 , 5476603 , 10953206 , 21906412
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
-21906411
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 21906412 can be divided by 12 positive divisors.
The sum of these divisors (counting 21906412) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1010011100100001111101100
3
Ternary
1112012221221121
4
Quaternary
1103210033230
5
Quinary
21102001122
6
Senary
2101310324
8
Octal
123441754
10
Decimal
21906412
12
Duodecimal
74053a4
16
Hexadecimal
14e43ec
20
Vigesimal
6gi60c
36
Base36
d1j3g
md5
df7659105b0a85569cd25a2b25839a29
sha1
f4b63c908f93134c736eb16bf8e1d50a08845f9c
sha256
f8dc8f15dcd59bc9d8e40232ca454cbf4f593233f105eebcaccb7a6a7cc4f7d3
sha512
622b0ed373ceb4b9abb57ff60f4262908c26d87ad032ee7cb7dc11b0784423c132199bfa1010a0194c4b48dc68a6c2a5d8f9c4ed323f112ff5e9cea7324f0d51
ripemd-160
58d66c8efe0ad858e9e0a1087bff7bb32f0accae
Diameter
43812824
Circumference
137642046.01142
Area
1.5076216842246E+15
Volume
4.4035442339677E+22
Surface area
6.0304867368984E+15
Circumference
137642046.01142
Perimeter
87625648
Area
479890886713744
Diagonal
30980344.953333
Surface area
2879345320282464
Volume
1.0512687479397E+22
Space diagonal
37943018.595537
Perimeter
65719236
Area
2.0779884946937E+14
Altitude
18971509.297768
Surface area
2.0779884946937E+14
Volume
1.2389321008627E+21
Height
10326781.651111