19902270 is an even 8-digits composite number following 19902269
and preceding 19902271 . In scientific notation, it is written as 1.9902270 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 5307264 positive integers (up to 19902270) that are relatively prime to 19902270.
19902270 has 16 divisors, whose sum is 47765520
The reverse of 19902270 is 07220991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
nineteen million nine hundred two thousand two hundred seventy
Scientific notation
1.9902270 × 10^7
Engineering notation
1.9902270 × 10^6
Prime Factorization
2 × 3 × 5 × 663409
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19902270
Product of the distinct prime numbers
The prime factorization of 19902270 is 2 × 3 × 5 × 663409.
Since it has a total of 4 prime factors.
5 , 4 , 30 , 59 , 641 , 823 , 4808 , 8111 , 11691 , 31118 , 253673 , 798497 , 6666192 , 1708167 , 83178194 , 48228770 , 419379064 , 237316057 , 1613350161 , 5935365558
n×2
39804540
n×3
59706810
n×4
79609080
n×5
99511350
n÷2
9951135
n÷3
6634090
n÷3
4975567.5
n÷5
3980454
n2
396100351152900
n3
7.8832961357398E+21
n4
1.5689548818345E+29
n5
3.1225763676088E+36
2 √n
4461.1960279728
3 √n
270.99890614701
4 √n
66.792185381022
5 √n
28.825743825839
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 663409 , 1326818 , 1990227 , 3317045 , 3980454 , 6634090 , 9951135 , 19902270
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
-19902269
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 19902270 can be divided by 16 positive divisors.
The sum of these divisors (counting 19902270) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011111010111100111110
3
Ternary
1101110010210010
4
Quaternary
1023322330332
5
Quinary
20043333040
6
Senary
1550324050
8
Octal
113727476
10
Decimal
19902270
12
Duodecimal
67b9626
16
Hexadecimal
12faf3e
20
Vigesimal
647fda
36
Base36
bukou
md5
3b4d08089c99ac68a61babe7a386a97e
sha1
64be5accea188fddda74206174a75062fa3ca684
sha256
6d8c100bf178795ee3d100a283fcdea5c8ae901922eddff1b49e9da7cd2ac373
sha512
e206ea8ffcc4dc711c15cf73e402af5be5aefdea07a3a01e2a12725cdd6c3396dd3308b38ce79657bbcc096d4154355a5f75b866c3bb22f82ee4f0fb757ee016
ripemd-160
50dc171fa3b92d1ad3373c713922a28266b19e4d
Diameter
39804540
Circumference
125049650.44352
Area
1.2443859532663E+15
Volume
3.3021473634817E+22
Surface area
4.9775438130652E+15
Circumference
125049650.44352
Perimeter
79609080
Area
396100351152900
Diagonal
28146060.156011
Surface area
2376602106917400
Volume
7.8832961357398E+21
Space diagonal
34471742.825954
Perimeter
59706810
Area
1.7151648327317E+14
Altitude
17235871.412977
Surface area
1.7151648327317E+14
Volume
9.2905535928056E+20
Height
9382020.0520037