19997910 is an even 8-digits composite number following 19997909
and preceding 19997911 . In scientific notation, it is written as 1.9997910 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 5332752 positive integers (up to 19997910) that are relatively prime to 19997910.
19997910 has 16 divisors, whose sum is 39996000
The reverse of 19997910 is 01979991
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 45
Digital Root 9
Name
nineteen million nine hundred ninety-seven thousand nine hundred ten
Scientific notation
1.9997910 × 10^7
Engineering notation
1.9997910 × 10^6
Prime Factorization
2 × 9 × 5 × 222199
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
19997910
Product of the distinct prime numbers
The prime factorization of 19997910 is 2 × 9 × 5 × 222199.
Since it has a total of 4 prime factors.
7 , 4 , 27 , 56 , 372 , 428 , 1856 , 4695 , 57072 , 54216 , 734006 , 70045 , 2326292 , 7508558 , 23553398 , 13562703 , 955368915 , 914861535 , 5356057731 , 614925390
n×2
39995820
n×3
59993730
n×4
79991640
n×5
99989550
n÷2
9998955
n÷3
6665970
n÷3
4999477.5
n÷5
3999582
n2
399916404368100
n3
7.9974922620769E+21
n4
1.5993313048271E+29
n5
3.1983283494115E+36
2 √n
4471.902279791
3 √n
271.43230610875
4 √n
66.872283345127
5 √n
28.853395044375
1 , 2 , 5 , 9 , 10 , 18 , 45 , 90 , 222199 , 444398 , 1110995 , 1999791 , 2221990 , 3999582 , 9998955 , 19997910
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
-19997909
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 19997910 can be divided by 16 positive divisors.
The sum of these divisors (counting 19997910) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100010010010011010110
3
Ternary
1101121222222100
4
Quaternary
1030102103112
5
Quinary
20104413120
6
Senary
1552342530
8
Octal
114222326
10
Decimal
19997910
12
Duodecimal
6844a46
16
Hexadecimal
13124d6
20
Vigesimal
64jefa
36
Base36
bwmhi
md5
3e739e28ed5788f500289b74340c8f49
sha1
67dfb356349615929d63ea44f7658bc03b456b44
sha256
ef9bd6a7412326f48b4d2abbbebc92e1625913e07bbbb00fb5c91360a7cd2438
sha512
5ea35800fa90d1c20360b784a20daeb28ed72e595d3e6fcad51bc9904d088450a7ef19280aca9b68674bbe3a0af40365f68c6f99d95469d28b69c627467af958
ripemd-160
063c713dc496c070c401f8c1ee5fbf3bcc892512
Diameter
39995820
Circumference
125650574.2863
Area
1.2563744380129E+15
Volume
3.3499817250243E+22
Surface area
5.0254977520515E+15
Circumference
125650574.2863
Perimeter
79991640
Area
399916404368100
Diagonal
28281315.541117
Surface area
2399498426208600
Volume
7.9974922620769E+21
Space diagonal
34637396.16519
Perimeter
59993730
Area
1.7316888278645E+14
Altitude
17318698.082595
Surface area
1.7316888278645E+14
Volume
9.4251350183358E+20
Height
9427105.1803722