19997771 is an odd 8-digits composite number following 19997770
and preceding 19997772 . In scientific notation, it is written as 1.9997771 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 19676392 positive integers (up to 19997771) that are relatively prime to 19997771.
19997771 has 8 divisors, whose sum is 20321280
The reverse of 19997771 is 17779991
Previous prime number is 479
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-seven thousand seven hundred seventy-one
Scientific notation
1.9997771 × 10^7
Engineering notation
1.9997771 × 10^6
Prime Factorization
83 × 479 × 503
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
19997771
Product of the distinct prime numbers
The prime factorization of 19997771 is 83 × 479 × 503.
Since it has a total of 3 prime factors.
8 , 10 , 15 , 65 , 949 , 701 , 7750 , 1321 , 52138 , 95114 , 168672 , 285429 , 4225752 , 2039885 , 63349705 , 42962889 , 29839755 , 349010443 , 4980291850 , 9461537191
n×2
39995542
n×3
59993313
n×4
79991084
n×5
99988855
n÷2
9998885.5
n÷3
6665923.6666667
n÷3
4999442.75
n÷5
3999554.2
n2
399910844968441
n3
7.9973254980954E+21
n4
1.5992868392337E+29
n5
3.198217197431E+36
2 √n
4471.8867382795
3 √n
271.4316772234
4 √n
66.872167142089
5 √n
28.853354933852
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19997770
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19997771 can be divided by 8 positive divisors.
The sum of these divisors (counting 19997771) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100010010010001001011
3
Ternary
1101121222210012
4
Quaternary
1030102101023
5
Quinary
20104412041
6
Senary
1552342135
8
Octal
114222113
10
Decimal
19997771
12
Duodecimal
684494b
16
Hexadecimal
131244b
20
Vigesimal
64je8b
36
Base36
bwmdn
md5
933ff9ba5065071ca050f391a7637909
sha1
44652516fa338a570967da2f5baef2db2bc9826f
sha256
1127d3b2ae5ab183a3051a1659172c2590bf9fe58fe9101c982b0103f0cce183
sha512
dfd64f487d47b87eb6c4a6a77cf355991d75e55d54cae07418609b9227b8e48f073f1b21b324e38bf1591db74c0058ef03d816a0e1610066b41387f997059e75
ripemd-160
9c30b6b43ad275fe98c9b54daf30a6e080b1e7d8
Diameter
39995542
Circumference
125649700.92354
Area
1.2563569726437E+15
Volume
3.349911871091E+22
Surface area
5.025427890575E+15
Circumference
125649700.92354
Perimeter
79991084
Area
399910844968441
Diagonal
28281118.965431
Surface area
2399465069810646
Volume
7.9973254980954E+21
Space diagonal
34637155.410127
Perimeter
59993313
Area
1.7316647549579E+14
Altitude
17318577.705064
Surface area
1.7316647549579E+14
Volume
9.4249384850989E+20
Height
9427039.6551438