21609907 is an odd 8-digits composite number following 21609906
and preceding 21609908 . In scientific notation, it is written as 2.1609907 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 18489600 positive integers (up to 21609907) that are relatively prime to 21609907.
21609907 has 8 divisors, whose sum is 24961392
The reverse of 21609907 is 70990612
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million six hundred nine thousand nine hundred seven
Scientific notation
2.1609907 × 10^7
Engineering notation
2.1609907 × 10^6
Prime Factorization
17 × 11 × 115561
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21609907
Product of the distinct prime numbers
The prime factorization of 21609907 is 17 × 11 × 115561.
Since it has a total of 3 prime factors.
1 , 6 , 83 , 76 , 673 , 135 , 4477 , 4488 , 39384 , 15076 , 142680 , 283375 , 4385793 , 5100167 , 15295536 , 82889420 , 888105271 , 117878395 , 1757779340 , 5921036819
n×2
43219814
n×3
64829721
n×4
86439628
n×5
108049535
n÷2
10804953.5
n÷3
7203302.3333333
n÷3
5402476.75
n÷5
4321981.4
n2
466988080548649
n3
1.0091568990765E+22
n4
2.1807786737451E+29
n5
4.7126424327215E+36
2 √n
4648.6457167653
3 √n
278.53790149087
4 √n
68.18097767534
5 √n
29.304247898401
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
-21609906
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 21609907 can be divided by 8 positive divisors.
The sum of these divisors (counting 21609907) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010010011011110110110011
3
Ternary
1111122220012221
4
Quaternary
1102123312303
5
Quinary
21013004112
6
Senary
2051101511
8
Octal
122336663
10
Decimal
21609907
12
Duodecimal
72a1897
16
Hexadecimal
149bdb3
20
Vigesimal
6f14f7
36
Base36
cv6b7
md5
739ad9f4656493936e24da042f2f3215
sha1
5de0d3a5fbbf84afb063a107df8657530b830ff9
sha256
7c5b2e04f70955dfbe2137cde91ab0ffd2d13305cd8a07ce66d70d119d069563
sha512
90272a4e13ef0d01322fc5be354738574339f5e27f7406f8186140a9781774b0041aa2a21092e883529e2d73accd2c1f970e649fb70f3df35361951b5b3e950c
ripemd-160
a6c4e4973bc53c61b354a1bd9ad587068b13f517
Diameter
43219814
Circumference
135779050.15192
Area
1.4670863231656E+15
Volume
4.2271465339442E+22
Surface area
5.8683452926625E+15
Circumference
135779050.15192
Perimeter
86439628
Area
466988080548649
Diagonal
30561023.561021
Surface area
2801928483291894
Volume
1.0091568990765E+22
Space diagonal
37429456.870838
Perimeter
64829721
Area
2.0221177050983E+14
Altitude
18714728.435419
Surface area
2.0221177050983E+14
Volume
1.1893028110303E+21
Height
10187007.853674