19997680 is an even 8-digits composite number following 19997679
and preceding 19997681 . In scientific notation, it is written as 1.9997680 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 7999040 positive integers (up to 19997680) that are relatively prime to 19997680.
19997680 has 20 divisors, whose sum is 46494792
The reverse of 19997680 is 08679991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
nineteen million nine hundred ninety-seven thousand six hundred eighty
Scientific notation
1.9997680 × 10^7
Engineering notation
1.9997680 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 5 × 249971
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2499710
Product of the distinct prime numbers
The prime factorization of 19997680 is 2 × 2 × 2 × 2 × 5 × 249971.
Since it has a total of 6 prime factors.
7 , 7 , 29 , 95 , 967 , 498 , 4023 , 756 , 31914 , 34378 , 558847 , 547450 , 6089530 , 7828915 , 128807 , 17478306 , 636055664 , 661362290 , 3219022781 , 8071750348
n×2
39995360
n×3
59993040
n×4
79990720
n×5
99988400
n÷2
9998840
n÷3
6665893.3333333
n÷3
4999420
n÷5
3999536
n2
399907205382400
n3
7.9972163229315E+21
n4
1.5992577291676E+29
n5
3.1981444305421E+36
2 √n
4471.8765635916
3 √n
271.43126550551
4 √n
66.87209106639
5 √n
28.853328674325
1 , 2 , 4 , 5 , 8 , 10 , 16 , 20 , 40 , 80 , 249971 , 499942 , 999884 , 1249855 , 1999768 , 2499710 , 3999536 , 4999420 , 9998840 , 19997680
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
-19997679
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 19997680 can be divided by 20 positive divisors.
The sum of these divisors (counting 19997680) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100010010001111110000
3
Ternary
1101121222122211
4
Quaternary
1030102033300
5
Quinary
20104411210
6
Senary
1552341504
8
Octal
114221760
10
Decimal
19997680
12
Duodecimal
6844894
16
Hexadecimal
13123f0
20
Vigesimal
64je40
36
Base36
bwmb4
md5
b46767d2401e918e60550038bc1d1429
sha1
c01178d260d9f641e0f5ee714e54dce0962f95e9
sha256
0d00737303fefd40703efae6bcfcd9143223e078d7a2dfaea2e85a021a7de2b1
sha512
c92ba0bd9764d5d867346c78312bc0331e773728a1b90e48df88aaab8f887a01dbf4e596da39d8460f3c69bf6df3773166f1d2df39c4f48c9d26dfacb62ef3de
ripemd-160
cd17e56b270d952daebb4e45e583532236c791e0
Diameter
39995360
Circumference
125649129.15368
Area
1.256345538547E+15
Volume
3.3498661399053E+22
Surface area
5.0253821541879E+15
Circumference
125649129.15368
Perimeter
79990720
Area
399907205382400
Diagonal
28280990.271997
Surface area
2399443232294400
Volume
7.9972163229315E+21
Space diagonal
34636997.793504
Perimeter
59993040
Area
1.731648995088E+14
Altitude
17318498.896752
Surface area
1.731648995088E+14
Volume
9.4248098209344E+20
Height
9426996.7573324