19998761 is an odd 8-digits composite number following 19998760
and preceding 19998762 . In scientific notation, it is written as 1.9998761 × 10^7.
The sum of its digits is 50. It has a total of 2 prime factors and 4 positive divisors.
There are 19927812 positive integers (up to 19998761) that are relatively prime to 19998761.
19998761 has 4 divisors, whose sum is 20069712
The reverse of 19998761 is 16789991
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 50
Digital Root 5
Name
nineteen million nine hundred ninety-eight thousand seven hundred sixty-one
Scientific notation
1.9998761 × 10^7
Engineering notation
1.9998761 × 10^6
Prime Factorization
283 × 70667
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19998761
Product of the distinct prime numbers
The prime factorization of 19998761 is 283 × 70667.
Since it has a total of 2 prime factors.
6 , 4 , 74 , 17 , 862 , 32 , 3348 , 1628 , 19106 , 58692 , 973929 , 368207 , 3082022 , 8514809 , 87941604 , 1157705 , 817868301 , 328652556 , 2581692921 , 3055084038
n×2
39997522
n×3
59996283
n×4
79995044
n×5
99993805
n÷2
9999380.5
n÷3
6666253.6666667
n÷3
4999690.25
n÷5
3999752.2
n2
399950441535121
n3
7.9985132921054E+21
n4
1.5996035568414E+29
n5
3.1990089228021E+36
2 √n
4471.9974284429
3 √n
271.43615627136
4 √n
66.872994762033
5 √n
28.853640608248
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
-19998760
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 19998761 can be divided by 4 positive divisors.
The sum of these divisors (counting 19998761) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010010100000101001
3
Ternary
1101122001010212
4
Quaternary
1030102200221
5
Quinary
20104430021
6
Senary
1552350505
8
Octal
114224051
10
Decimal
19998761
12
Duodecimal
6845435
16
Hexadecimal
1312829
20
Vigesimal
64jgi1
36
Base36
bwn55
md5
de27220949a561fffe3b9b3398284500
sha1
b8d9426f0c65b4afb3de7c3ed05031d942111398
sha256
70acdf6355e58e3f7d29290675150e4474960a178437aea74f3238b4787939c9
sha512
ff0f4d3858b9152e70e22ec1fa42c9fc5fdbb3a57425b82eb3b036ba8c892a0f07576a75807043bb8ce36c0a044e26caefcb2f542574f83dbcd75eb0b42b504e
ripemd-160
dc587868b2be9faa86b255113a95e7fd8a75c381
Diameter
39997522
Circumference
125655921.277
Area
1.2564813689267E+15
Volume
3.3504094130825E+22
Surface area
5.0259254757069E+15
Circumference
125655921.277
Perimeter
79995044
Area
399950441535121
Diagonal
28282519.036858
Surface area
2399702649210726
Volume
7.9985132921054E+21
Space diagonal
34638870.140427
Perimeter
59996283
Area
1.7318362131211E+14
Altitude
17319435.070213
Surface area
1.7318362131211E+14
Volume
9.4263383137641E+20
Height
9427506.3456194