21490907 is an odd 8-digits composite number following 21490906
and preceding 21490908 . In scientific notation, it is written as 2.1490907 × 10^7.
The sum of its digits is 32. It has a total of 3 prime factors and 6 positive divisors.
There are 20226464 positive integers (up to 21490907) that are relatively prime to 21490907.
21490907 has 6 divisors, whose sum is 22829748
The reverse of 21490907 is 70909412
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty-one million four hundred ninety thousand nine hundred seven
Scientific notation
2.1490907 × 10^7
Engineering notation
2.1490907 × 10^6
Prime Factorization
17 × 17 × 74363
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
1264171
Product of the distinct prime numbers
The prime factorization of 21490907 is 17 × 17 × 74363.
Since it has a total of 3 prime factors.
8 , 8 , 75 , 97 , 212 , 963 , 8007 , 1274 , 74292 , 17084 , 499083 , 814080 , 1581733 , 4987200 , 41340482 , 65454988 , 461057615 , 685216047 , 4172500861 , 9758362257
n×2
42981814
n×3
64472721
n×4
85963628
n×5
107454535
n÷2
10745453.5
n÷3
7163635.6666667
n÷3
5372726.75
n÷5
4298181.4
n2
461859083682649
n3
9.925770614529E+21
n4
2.1331381318018E+29
n5
4.5843073208705E+36
2 √n
4635.8286206459
3 √n
278.02568211575
4 √n
68.086919600213
5 √n
29.271902435536
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
-21490906
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 21490907 can be divided by 6 positive divisors.
The sum of these divisors (counting 21490907) is 1, the average is 0.16666666666667.
Base
System
Value
2
Binary
1010001111110110011011011
3
Ternary
1111102211222112
4
Quaternary
1101332303123
5
Quinary
21000202112
6
Senary
2044342535
8
Octal
121766333
10
Decimal
21490907
12
Duodecimal
7244a4b
16
Hexadecimal
147ecdb
20
Vigesimal
6e6757
36
Base36
csmhn
md5
b61c2fcb5ccd17f94ead683baf09df8f
sha1
5cb8387eac4d0eaa452deb6ed27c01fc2b1d3b35
sha256
1f38bb05b4aa71eb23b1fdd889b136440cb035857446ac0ca4457831917e4a96
sha512
263473204c28ae7aae4cdb508adc1863a0741965d8776d928813ce7286fd51e4c0292659181a31004b04e6a49680a580eff441334bf80068eb68b96c43cbbe8c
ripemd-160
41cdbef4dd3be2362c3ba6e5af447a20c83363f3
Diameter
42981814
Circumference
135031351.10036
Area
1.4509731042911E+15
Volume
4.1576970725096E+22
Surface area
5.8038924171645E+15
Circumference
135031351.10036
Perimeter
85963628
Area
461859083682649
Diagonal
30392732.147099
Surface area
2771154502095894
Volume
9.925770614529E+21
Space diagonal
37223342.824738
Perimeter
64472721
Area
1.9999084971889E+14
Altitude
18611671.412369
Surface area
1.9999084971889E+14
Volume
1.1697632850059E+21
Height
10130910.7157