19902768 is an even 8-digits composite number following 19902767
and preceding 19902769 . In scientific notation, it is written as 1.9902768 × 10^7.
The sum of its digits is 42. It has a total of 6 prime factors and 20 positive divisors.
There are 6634240 positive integers (up to 19902768) that are relatively prime to 19902768.
19902768 has 20 divisors, whose sum is 51415608
The reverse of 19902768 is 86720991
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
nineteen million nine hundred two thousand seven hundred sixty-eight
Scientific notation
1.9902768 × 10^7
Engineering notation
1.9902768 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 3 × 414641
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2487846
Product of the distinct prime numbers
The prime factorization of 19902768 is 2 × 2 × 2 × 2 × 3 × 414641.
Since it has a total of 6 prime factors.
3 , 8 , 12 , 67 , 504 , 612 , 9429 , 2747 , 3843 , 17348 , 139411 , 874365 , 1735638 , 5572873 , 29457872 , 38748003 , 298687322 , 534718118 , 5670429420 , 249031199
n×2
39805536
n×3
59708304
n×4
79611072
n×5
99513840
n÷2
9951384
n÷3
6634256
n÷3
4975692
n÷5
3980553.6
n2
396120174061824
n3
7.8838879244721E+21
n4
1.5691119229877E+29
n5
3.1229670569258E+36
2 √n
4461.2518422524
3 √n
271.00116646421
4 √n
66.792603200147
5 √n
28.825888081512
1 , 2 , 3 , 4 , 6 , 8 , 12 , 16 , 24 , 48 , 414641 , 829282 , 1243923 , 1658564 , 2487846 , 3317128 , 4975692 , 6634256 , 9951384 , 19902768
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902767
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902768 can be divided by 20 positive divisors.
The sum of these divisors (counting 19902768) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001011111011000100110000
3
Ternary
1101110011110120
4
Quaternary
1023323010300
5
Quinary
20043342033
6
Senary
1550330240
8
Octal
113730460
10
Decimal
19902768
12
Duodecimal
67b9980
16
Hexadecimal
12fb130
20
Vigesimal
647gi8
36
Base36
bul2o
md5
7539aa830ff0a3e93b37991cd22f4e5a
sha1
4cbe3f02f6351ffe9b3255173c9f88fa1073a1d5
sha256
901260c9bac3cfdec705674b89f9fd6ce4609fa1100c2e66070a5b9f28585e80
sha512
43007ababa0f958590b1c297396068c09dd3e46d8666f3ca9693cd502a2111b24a47cc2889c5d525c4e555936f1100bba2e95083c6cb32ff9de5d3385338ce1a
ripemd-160
b606a80fddc763ca23140f42a5f2157ccd2d482d
Diameter
39805536
Circumference
125052779.4698
Area
1.2444482287713E+15
Volume
3.3023952513662E+22
Surface area
4.9777929150853E+15
Circumference
125052779.4698
Perimeter
79611072
Area
396120174061824
Diagonal
28146764.434365
Surface area
2376721044370944
Volume
7.8838879244721E+21
Space diagonal
34472605.387256
Perimeter
59708304
Area
1.7152506684453E+14
Altitude
17236302.693628
Surface area
1.7152506684453E+14
Volume
9.2912510225149E+20
Height
9382254.8114551