21097930 is an even 8-digits composite number following 21097929
and preceding 21097931 . In scientific notation, it is written as 2.1097930 × 10^7.
The sum of its digits is 31. It has a total of 6 prime factors and 32 positive divisors.
There are 7232400 positive integers (up to 21097930) that are relatively prime to 21097930.
21097930 has 32 divisors, whose sum is 44294400
The reverse of 21097930 is 03979012
Previous prime number is 7
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million ninety-seven thousand nine hundred thirty
Scientific notation
2.1097930 × 10^7
Engineering notation
2.1097930 × 10^6
Prime Factorization
2 × 5 × 7 × 7 × 7 × 6151
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
430570
Product of the distinct prime numbers
The prime factorization of 21097930 is 2 × 5 × 7 × 7 × 7 × 6151.
Since it has a total of 6 prime factors.
5 , 2 , 67 , 60 , 996 , 595 , 7090 , 6677 , 9753 , 3874 , 715197 , 334739 , 6647337 , 3790256 , 51750191 , 96831971 , 489090611 , 981622585 , 4081086693 , 4303332341
n×2
42195860
n×3
63293790
n×4
84391720
n×5
105489650
n÷2
10548965
n÷3
7032643.3333333
n÷3
5274482.5
n÷5
4219586
n2
445122650284900
n3
9.3911665171253E+21
n4
1.9813417379665E+29
n5
4.1802209293696E+36
2 √n
4593.2483059377
3 √n
276.32061215754
4 √n
67.773507404721
5 √n
29.164059084267
1 , 2 , 5 , 7 , 10 , 14 , 35 , 49 , 70 , 98 , 245 , 343 , 490 , 686 , 1715 , 3430 , 6151 , 12302 , 30755 , 43057 , 61510 , 86114 , 215285 , 301399 , 430570 , 602798 , 1506995 , 2109793 , 3013990 , 4219586 , 10548965 , 21097930
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21097929
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21097930 can be divided by 32 positive divisors.
The sum of these divisors (counting 21097930) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000011110110111001010
3
Ternary
1110200212220211
4
Quaternary
1100132313022
5
Quinary
20400113210
6
Senary
2032111334
8
Octal
120366712
10
Decimal
21097930
12
Duodecimal
709554a
16
Hexadecimal
141edca
20
Vigesimal
6bh4ga
36
Base36
ck79m
md5
cbfc8e16ff2b603c3591f68d122edc6a
sha1
943b6531aeadea98c9d6cabd8f285bd8b87e07f1
sha256
dfd0ecf5d070fe26996cbf49216423ac58baf3a1b8d04a079c7c6537435209f4
sha512
552334f401ead38eb1dd641a3d4357d50083867b584151d8caa694dc9b6f2262f1cefab0cf27d50b3990a15d2c65a70cec414fcca7d44db6987a3f3d457ee8ef
ripemd-160
193a3ffae5eeacb91acea93120c15799835bc968
Diameter
42195860
Circumference
132562203.7879
Area
1.3983940480815E+15
Volume
3.9337626318452E+22
Surface area
5.5935761923258E+15
Circumference
132562203.7879
Perimeter
84391720
Area
445122650284900
Diagonal
29836978.743998
Surface area
2670735901709400
Volume
9.3911665171253E+21
Space diagonal
36542686.694532
Perimeter
63293790
Area
1.9274376147329E+14
Altitude
18271343.347266
Surface area
1.9274376147329E+14
Volume
1.1067595879186E+21
Height
9945659.5813327