21078412 is an even 8-digits composite number following 21078411
and preceding 21078413 . In scientific notation, it is written as 2.1078412 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 6 positive divisors.
There are 10539204 positive integers (up to 21078412) that are relatively prime to 21078412.
21078412 has 6 divisors, whose sum is 36887228
The reverse of 21078412 is 21487012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million seventy-eight thousand four hundred twelve
Scientific notation
2.1078412 × 10^7
Engineering notation
2.1078412 × 10^6
Prime Factorization
2 × 2 × 5269603
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
10539206
Product of the distinct prime numbers
The prime factorization of 21078412 is 2 × 2 × 5269603.
Since it has a total of 3 prime factors.
10 , 4 , 54 , 96 , 709 , 814 , 6076 , 1723 , 54768 , 75540 , 104936 , 748964 , 8641466 , 6699602 , 15443037 , 49915577 , 984206198 , 705646706 , 3357592307 , 6203980952
n×2
42156824
n×3
63235236
n×4
84313648
n×5
105392060
n÷2
10539206
n÷3
7026137.3333333
n÷3
5269603
n÷5
4215682.4
n2
444299452441744
n3
9.3651269099415E+21
n4
1.9740200344003E+29
n5
4.1609207581344E+36
2 √n
4591.1231741263
3 √n
276.23537647043
4 √n
67.757827401167
5 √n
29.158661067863
6 divisors
τ
Total Divisors
6
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21078411
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.16666666666667
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
6
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21078412 can be divided by 6 positive divisors.
The sum of these divisors (counting 21078412) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010000011010000110001100
3
Ternary
1110122220010221
4
Quaternary
1100122012030
5
Quinary
20344002122
6
Senary
2031441124
8
Octal
120320614
10
Decimal
21078412
12
Duodecimal
70861a4
16
Hexadecimal
141a18c
20
Vigesimal
6beg0c
36
Base36
cjs7g
md5
d81c08ccd54ba5540a4be220822905f8
sha1
d9d07d6eb46945250b952c7b0bc21d09ce798ade
sha256
620814fa4bac394d3e62d0a437a067d05a00ef97c3f3c8bc368c16e6853156d2
sha512
7a6a5e74aaa8968a5a110c881529137093b58ba240b28e51e8afc33a46f8ba414ec886a02d000be18033330a44615a0a477d19b369d93340ba804feab00e1aac
ripemd-160
05f0c5c4ca7895adbc90c2d886bea23322c6637e
Diameter
42156824
Circumference
132439568.57708
Area
1.395807895785E+15
Volume
3.9228551866944E+22
Surface area
5.5832315831398E+15
Circumference
132439568.57708
Perimeter
84313648
Area
444299452441744
Diagonal
29809376.123688
Surface area
2665796714650464
Volume
9.3651269099415E+21
Space diagonal
36508880.52687
Perimeter
63235236
Area
1.9238730635103E+14
Altitude
18254440.263435
Surface area
1.9238730635103E+14
Volume
1.103690790782E+21
Height
9936458.7078959