21000378 is an even 8-digits composite number following 21000377
and preceding 21000379 . In scientific notation, it is written as 2.1000378 × 10^7.
The sum of its digits is 21. It has a total of 3 prime factors and 8 positive divisors.
There are 6000096 positive integers (up to 21000378) that are relatively prime to 21000378.
21000378 has 8 divisors, whose sum is 33000660
The reverse of 21000378 is 87300012
Previous prime number is 21
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million three hundred seventy-eight
Scientific notation
2.1000378 × 10^7
Engineering notation
2.1000378 × 10^6
Prime Factorization
2 × 21 × 500009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21000378
Product of the distinct prime numbers
The prime factorization of 21000378 is 2 × 21 × 500009.
Since it has a total of 3 prime factors.
7 , 5 , 35 , 35 , 821 , 781 , 4289 , 5201 , 6798 , 73686 , 149269 , 818018 , 4801449 , 9527949 , 56950121 , 61141592 , 965145838 , 639913794 , 8381846566 , 9108232589
n×2
42000756
n×3
63001134
n×4
84001512
n×5
105001890
n÷2
10500189
n÷3
7000126
n÷3
5250094.5
n÷5
4200075.6
n2
441015876142884
n3
9.2615001030017E+21
n4
1.9449500301008E+29
n5
4.0844685823227E+36
2 √n
4582.6169379515
3 √n
275.89407298269
4 √n
67.695028901327
5 √n
29.137039477971
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
-21000377
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 21000378 can be divided by 8 positive divisors.
The sum of these divisors (counting 21000378) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000111000010111010
3
Ternary
1110111221002210
4
Quaternary
1100013002322
5
Quinary
20334003003
6
Senary
2030035550
8
Octal
120070272
10
Decimal
21000378
12
Duodecimal
7048bb6
16
Hexadecimal
14070ba
20
Vigesimal
6b50ii
36
Base36
ci3zu
md5
bace61305a80530e64c35e54311899a2
sha1
f03428285ad358adddb224e8557112ec4b8581ee
sha256
713c7d051f0c15aa14ac623903781f67e6b8d7c247f640c08c734c15a29367bf
sha512
72b952ac9e4c2cf8d521d8b8b9fc6d74d57d6ecca467726b71828f4ffe20e7641a3a70e4321da25ed9cb1d90b08805e7fd2485d3af7c5cd9519b4e194ccbbdb4
ripemd-160
eb7ce073afffda173d4cb824ed08bd13299e734c
Diameter
42000756
Circumference
131949266.49482
Area
1.385492236607E+15
Volume
3.8794480913082E+22
Surface area
5.5419689464278E+15
Circumference
131949266.49482
Perimeter
84001512
Area
441015876142884
Diagonal
29699019.382562
Surface area
2646095256857304
Volume
9.2615001030017E+21
Space diagonal
36373721.674152
Perimeter
63001134
Area
1.9096547610599E+14
Altitude
18186860.837076
Surface area
1.9096547610599E+14
Volume
1.0914782544654E+21
Height
9899673.1275205