21398503 is an odd 8-digits composite number following 21398502
and preceding 21398504 . In scientific notation, it is written as 2.1398503 × 10^7.
The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors.
There are 17280000 positive integers (up to 21398503) that are relatively prime to 21398503.
21398503 has 16 divisors, whose sum is 25885440
The reverse of 21398503 is 30589312
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million three hundred ninety-eight thousand five hundred three
Scientific notation
2.1398503 × 10^7
Engineering notation
2.1398503 × 10^6
Prime Factorization
7 × 19 × 251 × 641
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21398503
Product of the distinct prime numbers
The prime factorization of 21398503 is 7 × 19 × 251 × 641.
Since it has a total of 4 prime factors.
3 , 6 , 45 , 93 , 440 , 937 , 6776 , 2460 , 24037 , 39996 , 955963 , 982840 , 4908496 , 4453330 , 78760626 , 3792270 , 678776246 , 79968512 , 3418219239 , 9399858949
n×2
42797006
n×3
64195509
n×4
85594012
n×5
106992515
n÷2
10699251.5
n÷3
7132834.3333333
n÷3
5349625.75
n÷5
4279700.6
n2
457895930641009
n3
9.7982874455094E+21
n4
2.096686832976E+29
n5
4.4865959485497E+36
2 √n
4625.8515972737
3 √n
277.6266359222
4 √n
68.01361332317
5 √n
29.246687074556
1 , 7 , 19 , 133 , 251 , 641 , 1757 , 4487 , 4769 , 12179 , 33383 , 85253 , 160891 , 1126237 , 3056929 , 21398503
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21398502
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21398503 can be divided by 16 positive divisors.
The sum of these divisors (counting 21398503) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001101000001111100111
3
Ternary
1111021011020011
4
Quaternary
1101220033213
5
Quinary
20434223003
6
Senary
2042351051
8
Octal
121501747
10
Decimal
21398503
12
Duodecimal
71bb487
16
Hexadecimal
14683e7
20
Vigesimal
6deg53
36
Base36
cqn6v
md5
146e7c789cfe20a727262f326197015f
sha1
f1536655507fe087e1ef5ba1f116d4773982a7a7
sha256
602122fdfb0a5dd63e02546274f0567bbcbfd90abb59ccb8df50e98561baddd5
sha512
b19b0d20c3c8ed65b9ff7840a5738fa2bf00abc4be14b712bcfc1f9f11e3f60b0aa1b6245306ca7f664b06acb325ee4cb692cc0ea7da5b9da3c87f828cc71525
ripemd-160
d8a1b86133dd88a26f814491aa7f82d072607e96
Diameter
42797006
Circumference
134450759.64524
Area
1.4385224918105E+15
Volume
4.1042970475431E+22
Surface area
5.7540899672418E+15
Circumference
134450759.64524
Perimeter
85594012
Area
457895930641009
Diagonal
30262053.157081
Surface area
2747375583846054
Volume
9.7982874455094E+21
Space diagonal
37063294.401915
Perimeter
64195509
Area
1.9827475411232E+14
Altitude
18531647.200958
Surface area
1.9827475411232E+14
Volume
1.1547392494558E+21
Height
10087351.05236