21098678 is an even 8-digits composite number following 21098677
and preceding 21098679 . In scientific notation, it is written as 2.1098678 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 10549338 positive integers (up to 21098678) that are relatively prime to 21098678.
21098678 has 4 divisors, whose sum is 31648020
The reverse of 21098678 is 87689012
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-one million ninety-eight thousand six hundred seventy-eight
Scientific notation
2.1098678 × 10^7
Engineering notation
2.1098678 × 10^6
Prime Factorization
2 × 10549339
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21098678
Product of the distinct prime numbers
The prime factorization of 21098678 is 2 × 10549339.
Since it has a total of 2 prime factors.
8 , 9 , 49 , 30 , 941 , 625 , 152 , 7017 , 55024 , 28914 , 706816 , 840859 , 8565510 , 260589 , 92355013 , 85429919 , 702268097 , 822476300 , 6197237190 , 6431116343
n×2
42197356
n×3
63296034
n×4
84394712
n×5
105493390
n÷2
10549339
n÷3
7032892.6666667
n÷3
5274669.5
n÷5
4219735.6
n2
445154213347684
n3
9.3921654077661E+21
n4
1.981622736612E+29
n5
4.1809620037254E+36
2 √n
4593.3297290745
3 √n
276.32387764971
4 √n
67.774108102391
5 √n
29.164265876183
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21098677
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21098678 can be divided by 4 positive divisors.
The sum of these divisors (counting 21098678) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000011111000010110110
3
Ternary
1110200220221112
4
Quaternary
1100133002312
5
Quinary
20400124203
6
Senary
2032115022
8
Octal
120370266
10
Decimal
21098678
12
Duodecimal
7095a72
16
Hexadecimal
141f0b6
20
Vigesimal
6bh6di
36
Base36
ck7ue
md5
740ab148f5d0b45d2e0a39137a675090
sha1
511f5e39f22d09062d2c19a9335b93bd1d331411
sha256
a6fa3175b7d6b350fe633fe277acf84bee7a39a704977afba16ca87dee0c29ac
sha512
2219171e8babf916cf18b76ef1d1c2d8d03437e03dbd23485df13937b474f64cdb1b3cfeeca30139a2c387e7a54a59cac2e691334c3270a12f09165bd34e51fb
ripemd-160
67fbc08614ffaddd861758f231b85361d3497bf6
Diameter
42197356
Circumference
132566903.61051
Area
1.3984932063676E+15
Volume
3.9341810461784E+22
Surface area
5.5939728254705E+15
Circumference
132566903.61051
Perimeter
84394712
Area
445154213347684
Diagonal
29838036.575743
Surface area
2670925280086104
Volume
9.3921654077661E+21
Space diagonal
36543982.268536
Perimeter
63296034
Area
1.9275742868039E+14
Altitude
18271991.134268
Surface area
1.9275742868039E+14
Volume
1.1068773083095E+21
Height
9946012.1919143