21379908 is an even 8-digits composite number following 21379907
and preceding 21379909 . In scientific notation, it is written as 2.1379908 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 24 positive divisors.
There are 6478720 positive integers (up to 21379908) that are relatively prime to 21379908.
21379908 has 24 divisors, whose sum is 54421920
The reverse of 21379908 is 80997312
Previous prime number is 11
Is Prime? no Number parity even Number length 8 Sum of Digits 39 Digital Root 3
Name
twenty-one million three hundred seventy-nine thousand nine hundred eight
Scientific notation
2.1379908 × 10^7
Engineering notation
2.1379908 × 10^6
Prime Factorization
2 × 2 × 3 × 11 × 161969
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10689954 Product of the distinct prime numbers
The prime factorization of 21379908 is 2 × 2 × 3 × 11 × 161969.
Since it has a total of 5 prime factors.
6 , 1 , 86 , 46 , 843 , 610 , 4428 , 2101 , 13490 , 24910 , 448445 , 973093 , 8883817 , 1602940 , 88832794 , 61127156 , 489234753 , 149690262 , 9638264549 , 3258073153
n×2
42759816
n×3
64139724
n×4
85519632
n×5
106899540
n÷2
10689954
n÷3
7126636
n÷3
5344977
n÷5
4275981.6
n2
457100466088464
n3
9.7727659117285E+21
n4
2.0894083609829E+29
n5
4.4671358532245E+36
2 √n4623.841260251
3 √n277.54619472829
4 √n67.998832785946
5 √n29.241602314362
1 , 2 , 3 , 4 , 6 , 11 , 12 , 22 , 33 , 44 , 66 , 132 , 161969 , 323938 , 485907 , 647876 , 971814 , 1781659 , 1943628 , 3563318 , 5344977 , 7126636 , 10689954 , 21379908
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-21379907 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21379908 can be divided by 24 positive divisors.
The sum of these divisors (counting 21379908) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010001100011101101000100
3
Ternary
1111020012201110
4
Quaternary
1101203231010
5
Quinary
20433124113
6
Senary
2042125020
8
Octal
121435504
10
Decimal
21379908
12
Duodecimal
71b0770
16
Hexadecimal
1463b44
20
Vigesimal
6dc9f8
36
Base36
cq8uc
md5
6431cbbde7366425494a69054238da18
sha1
265c33074ad15b838a9ca8bdc680466fb7ed9339
sha256
eb6d630bf4fb51ebefd782ffd3d2ac55808aab6eebc1029b5ca075d42850e7c9
sha512
f32d84a053fc4d1e9f179bd111b7a5fa36a8f68b360f9d06442c38670beddab244d166f66be8a2b0060e7d8534e1bb353f1a6ed4ab29dd77a1446056d8ea0de6
ripemd-160
4ebae338f4c76d7b106b7d8dfb04abdf23bb0085
Diameter
42759816
Circumference
134333923.81445
Area
1.436023466216E+15
Volume
4.0936066124719E+22
Surface area
5.744093864864E+15
Circumference
134333923.81445
Perimeter
85519632
Area
457100466088464
Diagonal
30235755.855889
Surface area
2742602796530784
Volume
9.7727659117285E+21
Space diagonal
37031086.917148
Perimeter
64139724
Area
1.9793030785716E+14
Altitude
18515543.458574
Surface area
1.9793030785716E+14
Volume
1.1517315078553E+21
Height
10078585.285296