19969985 is an odd 8-digits composite number following 19969984
and preceding 19969986 . In scientific notation, it is written as 1.9969985 × 10^7.
The sum of its digits is 56. It has a total of 4 prime factors and 16 positive divisors.
There are 12887808 positive integers (up to 19969985) that are relatively prime to 19969985.
19969985 has 16 divisors, whose sum is 28999296
The reverse of 19969985 is 58996991
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
nineteen million nine hundred sixty-nine thousand nine hundred eighty-five
Scientific notation
1.9969985 × 10^7
Engineering notation
1.9969985 × 10^6
Prime Factorization
5 × 7 × 17 × 33563
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19969985
Product of the distinct prime numbers
The prime factorization of 19969985 is 5 × 7 × 17 × 33563.
Since it has a total of 4 prime factors.
5 , 5 , 25 , 49 , 457 , 924 , 3380 , 7796 , 64676 , 423 , 156493 , 644754 , 2721554 , 9609167 , 53252475 , 78304097 , 175019723 , 334954029 , 8752103429 , 5636852110
n×2
39939970
n×3
59909955
n×4
79879940
n×5
99849925
n÷2
9984992.5
n÷3
6656661.6666667
n÷3
4992496.25
n÷5
3993997
n2
398800300900225
n3
7.964036026973E+21
n4
1.5904167999811E+29
n5
3.1760599639371E+36
2 √n
4468.7789159904
3 √n
271.30590493321
4 √n
66.8489260646
5 √n
28.845332387008
1 , 5 , 7 , 17 , 35 , 85 , 119 , 595 , 33563 , 167815 , 234941 , 570571 , 1174705 , 2852855 , 3993997 , 19969985
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-19969984
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19969985 can be divided by 16 positive divisors.
The sum of these divisors (counting 19969985) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100001011011111000001
3
Ternary
1101120120200002
4
Quaternary
1030023133001
5
Quinary
20103014420
6
Senary
1552005345
8
Octal
114133701
10
Decimal
19969985
12
Duodecimal
6830855
16
Hexadecimal
130b7c1
20
Vigesimal
64g4j5
36
Base36
bw0xt
md5
c7aa35ce43ac64d0aaf94e4f0cc2cf1c
sha1
efbd5a4c5408d3c6dd729ccdb3451a9a205baec1
sha256
07ea78c922ed5cd2a7ec07012beceaf48f67a1fee4108781019612009aabc01f
sha512
0f7555c89d46ac38641d3f8745c676f78f469a907c7660649097787a0bd2b79b089c3f54296e5164e86a6817200b3d97020d7705277291226d19679dae81b64c
ripemd-160
acf21127e4a75b16439505683754cbf3a0b0641e
Diameter
39939970
Circumference
125475116.3366
Area
1.2528680955575E+15
Volume
3.335967610035E+22
Surface area
5.0114723822302E+15
Circumference
125475116.3366
Perimeter
79879940
Area
398800300900225
Diagonal
28241823.627387
Surface area
2392801805401350
Volume
7.964036026973E+21
Space diagonal
34589028.646388
Perimeter
59909955
Area
1.7268559580824E+14
Altitude
17294514.323194
Surface area
1.7268559580824E+14
Volume
9.3857064671443E+20
Height
9413941.2091291