21998967 is an odd 8-digits composite number following 21998966
and preceding 21998968 . In scientific notation, it is written as 2.1998967 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 14611320 positive integers (up to 21998967) that are relatively prime to 21998967.
21998967 has 8 divisors, whose sum is 29441280
The reverse of 21998967 is 76989912
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
twenty-one million nine hundred ninety-eight thousand nine hundred sixty-seven
Scientific notation
2.1998967 × 10^7
Engineering notation
2.1998967 × 10^6
Prime Factorization
3 × 271 × 27059
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21998967
Product of the distinct prime numbers
The prime factorization of 21998967 is 3 × 271 × 27059.
Since it has a total of 3 prime factors.
5 , 7 , 15 , 22 , 955 , 326 , 8072 , 9207 , 24673 , 62595 , 832426 , 219867 , 2528892 , 3037511 , 99991361 , 99693754 , 649996731 , 475829051 , 3179401563 , 9506415848
n×2
43997934
n×3
65996901
n×4
87995868
n×5
109994835
n÷2
10999483.5
n÷3
7332989
n÷3
5499741.75
n÷5
4399793.4
n2
483954549067089
n3
1.0646500154427E+22
n4
2.3421200556273E+29
n5
5.1524221813783E+36
2 √n
4690.3056403608
3 √n
280.19954738079
4 √n
68.485806123318
5 √n
29.409013563059
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21998966
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21998967 can be divided by 8 positive divisors.
The sum of these divisors (counting 21998967) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010011111010110101110111
3
Ternary
1112101122220120
4
Quaternary
1103322311313
5
Quinary
21112431332
6
Senary
2103303023
8
Octal
123726567
10
Decimal
21998967
12
Duodecimal
744aa73
16
Hexadecimal
14fad77
20
Vigesimal
6h9h87
36
Base36
d3iif
md5
fbcd39ea3dac38d389cd97be5b3e1682
sha1
78da2f26a451d65b7c3818aacd1c9d9bc15bcbef
sha256
572bb2b300580a0a902901f032adfe2f21ca18de663285f34ea795fb7d4045d6
sha512
0c523e8b1e351f66efa43fa96f78a46c4f295036aea8a3666d95a99523e0d15e139222ac4c4dfbe6df61ae64ddaca7ee1c8551299611fbf8699739232f675deb
ripemd-160
69a26fd768341c06487bc6ef34ec8f40d1711939
Diameter
43997934
Circumference
138223586.22753
Area
1.5203880560205E+15
Volume
4.459595556212E+22
Surface area
6.0815522240821E+15
Circumference
138223586.22753
Perimeter
87995868
Area
483954549067089
Diagonal
31111237.489598
Surface area
2903727294402534
Volume
1.0646500154427E+22
Space diagonal
38103328.558031
Perimeter
65996901
Area
2.0955846688457E+14
Altitude
19051664.279016
Surface area
2.0955846688457E+14
Volume
1.2547020758498E+21
Height
10370412.496533