19902481 is an odd 8-digits composite number following 19902480
and preceding 19902482 . In scientific notation, it is written as 1.9902481 × 10^7.
The sum of its digits is 34. It has a total of 2 prime factors and 4 positive divisors.
There are 18854964 positive integers (up to 19902481) that are relatively prime to 19902481.
19902481 has 4 divisors, whose sum is 20950000
The reverse of 19902481 is 18420991
Previous prime number is 19
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
nineteen million nine hundred two thousand four hundred eighty-one
Scientific notation
1.9902481 × 10^7
Engineering notation
1.9902481 × 10^6
Prime Factorization
19 × 1047499
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19902481
Product of the distinct prime numbers
The prime factorization of 19902481 is 19 × 1047499.
Since it has a total of 2 prime factors.
7 , 4 , 74 , 77 , 605 , 622 , 5291 , 8797 , 49793 , 62509 , 864544 , 821229 , 9921066 , 3500001 , 31700340 , 91940944 , 468518098 , 483646504 , 1575041689 , 4564684249
n×2
39804962
n×3
59707443
n×4
79609924
n×5
99512405
n÷2
9951240.5
n÷3
6634160.3333333
n÷3
4975620.25
n÷5
3980496.2
n2
396108749955361
n3
7.8835468699203E+21
n4
1.569021417912E+29
n5
3.1227418958586E+36
2 √n
4461.2196762769
3 √n
270.99986383621
4 √n
66.792362409761
5 √n
28.825804946567
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19902480
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19902481 can be divided by 4 positive divisors.
The sum of these divisors (counting 19902481) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011111011000000010001
3
Ternary
1101110011001221
4
Quaternary
1023323000101
5
Quinary
20043334411
6
Senary
1550325041
8
Octal
113730021
10
Decimal
19902481
12
Duodecimal
67b9781
16
Hexadecimal
12fb011
20
Vigesimal
647g41
36
Base36
bukup
md5
476047b05ea10e635d628546ac8f6471
sha1
036e7a416e64e643a08545ad02ee5b061678e34d
sha256
7f8ec8e1f1a75445aacc5fc85a2eb1d73ed531a1c6a53434fc8fde09c0937ba3
sha512
20dd30ac6a21976bfa5d157728a18aa018718230e63077b57bfaf86b714c69c6f63b3e778da4f253b2824819558885d1e100b6664a273f1324ae0ffa912063c1
ripemd-160
f089a32dc2a8436d8cb07fa1f288ded3279d09ce
Diameter
39804962
Circumference
125050976.19562
Area
1.2444123388824E+15
Volume
3.3022523907697E+22
Surface area
4.9776493555296E+15
Circumference
125050976.19562
Perimeter
79609924
Area
396108749955361
Diagonal
28146358.555073
Surface area
2376652499732166
Volume
7.8835468699203E+21
Space diagonal
34472108.288674
Perimeter
59707443
Area
1.7152012006132E+14
Altitude
17236054.144337
Surface area
1.7152012006132E+14
Volume
9.2908490858711E+20
Height
9382119.5183576