20171388 is an even 8-digits composite number following 20171387
and preceding 20171389 . In scientific notation, it is written as 2.0171388 × 10^7.
The sum of its digits is 30. It has a total of 5 prime factors and 24 positive divisors.
There are 6369840 positive integers (up to 20171388) that are relatively prime to 20171388.
20171388 has 24 divisors, whose sum is 49544320
The reverse of 20171388 is 88317102
Previous prime number is 19
Is Prime? no Number parity even Number length 8 Sum of Digits 30 Digital Root 3
Name
twenty million one hundred seventy-one thousand three hundred eighty-eight
Scientific notation
2.0171388 × 10^7
Engineering notation
2.0171388 × 10^6
Prime Factorization
2 × 2 × 3 × 19 × 88471
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
10085694 Product of the distinct prime numbers
The prime factorization of 20171388 is 2 × 2 × 3 × 19 × 88471.
Since it has a total of 5 prime factors.
6 , 1 , 16 , 17 , 652 , 572 , 4649 , 4681 , 10933 , 88683 , 819797 , 903189 , 4512574 , 1593484 , 67825795 , 8420499 , 196802021 , 830410090 , 6561844742 , 3074215886
n×2
40342776
n×3
60514164
n×4
80685552
n×5
100856940
n÷2
10085694
n÷3
6723796
n÷3
5042847
n÷5
4034277.6
n2
406884893846544
n3
8.2074330651175E+21
n4
1.6555531684051E+29
n5
3.3394805314529E+36
2 √n4491.2568396831
3 √n272.21492168553
4 √n67.016839970884
5 √n28.903281764224
1 , 2 , 3 , 4 , 6 , 12 , 19 , 38 , 57 , 76 , 114 , 228 , 88471 , 176942 , 265413 , 353884 , 530826 , 1061652 , 1680949 , 3361898 , 5042847 , 6723796 , 10085694 , 20171388
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
-20171387 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 20171388 can be divided by 24 positive divisors.
The sum of these divisors (counting 20171388) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001100111100101001111100
3
Ternary
1101221210221110
4
Quaternary
1030330221330
5
Quinary
20130441023
6
Senary
2000202020
8
Octal
114745174
10
Decimal
20171388
12
Duodecimal
6909310
16
Hexadecimal
133ca7c
20
Vigesimal
661898
36
Base36
c0ccc
md5
da99aacffd0ec93f31daf04ca348f461
sha1
6077fa6b7c9b95e50dc6d2e4a25d6befe14f059e
sha256
5f20949027b876664e2af440d91267452bd0bad964428c390c0aa8136ad25cab
sha512
d7de427c3ab6c3f017ff01104a46a0be9de74a62d71fa90d8a98d060f163be88b1404c7551cf096883aaa4043142592143996694f3220e656b794943695b6efc
ripemd-160
15ac2757fe44dd7d10c51458fa130624a183c8df
Diameter
40342776
Circumference
126740568.70702
Area
1.278266593365E+15
Volume
3.4379215229604E+22
Surface area
5.1130663734599E+15
Circumference
126740568.70702
Perimeter
80685552
Area
406884893846544
Diagonal
28526650.48149
Surface area
2441309363079264
Volume
8.2074330651175E+21
Space diagonal
34937868.875185
Perimeter
60514164
Area
1.7618632724362E+14
Altitude
17468934.437593
Surface area
1.7618632724362E+14
Volume
9.6725526274654E+20
Height
9508883.49383