19902451 is an odd 8-digits prime number following 19902450
and preceding 19902452 . In scientific notation, it is written as 1.9902451 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 19902450 positive integers (up to 19902451) that are relatively prime to 19902451.
19902451 has 2 divisors, whose sum is 19902452
The reverse of 19902451 is 15420991
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million nine hundred two thousand four hundred fifty-one
Scientific notation
1.9902451 × 10^7
Engineering notation
1.9902451 × 10^6
Prime Factorization
19902451
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19902451
Product of the distinct prime numbers
The prime factorization of 19902451 is 19902451.
Since it has a total of 1 prime factors.
9 , 5 , 84 , 51 , 964 , 94 , 2011 , 9848 , 25051 , 38108 , 730516 , 458898 , 5965133 , 8758593 , 43733913 , 29315600 , 456807226 , 583451020 , 8190531398 , 7120219832
n×2
39804902
n×3
59707353
n×4
79609804
n×5
99512255
n÷2
9951225.5
n÷3
6634150.3333333
n÷3
4975612.75
n÷5
3980490.2
n2
396107555807401
n3
7.8835112201866E+21
n4
1.5690119576771E+29
n5
3.1227183606083E+36
2 √n
4461.2163139664
3 √n
270.99972767228
4 √n
66.792337239884
5 √n
28.825796256448
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19902452
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9951226
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4461.2164260435
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998995099
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902451 can be divided by 2 positive divisors.
The sum of these divisors (counting 19902451) is 19902452, the average is 9951226.
Base
System
Value
2
Binary
1001011111010111111110011
3
Ternary
1101110011000211
4
Quaternary
1023322333303
5
Quinary
20043334301
6
Senary
1550324551
8
Octal
113727763
10
Decimal
19902451
12
Duodecimal
67b9757
16
Hexadecimal
12faff3
20
Vigesimal
647g2b
36
Base36
buktv
md5
05604923d140deedee5e6817175a9e14
sha1
863218fc3725e057f2af6dcd3034469c64fb3e3b
sha256
4e4464e2db2c2af73b28bf77dca99ee3c87bce6c1fe289ad2eb69000802075fe
sha512
b6baef369e1e88a712bcdfbeb2690be300365feb224586fc477a906b1a39aa1cf755e66b38e81a210a17faa98f41654da06f5eaf63585b4cee1674c5ff6a1be5
ripemd-160
7675c56b680faadbcd9e97c59db638ef117c24b9
Diameter
39804902
Circumference
125050787.70006
Area
1.2444085873559E+15
Volume
3.3022374578441E+22
Surface area
4.9776343494238E+15
Circumference
125050787.70006
Perimeter
79609804
Area
396107555807401
Diagonal
28146316.128666
Surface area
2376645334844406
Volume
7.8835112201866E+21
Space diagonal
34472056.32715
Perimeter
59707353
Area
1.7151960298009E+14
Altitude
17236028.163575
Surface area
1.7151960298009E+14
Volume
9.2908070722569E+20
Height
9382105.376222