19701931 is an odd 8-digits prime number following 19701930
and preceding 19701932 . In scientific notation, it is written as 1.9701931 × 10^7.
The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors.
There are 19701930 positive integers (up to 19701931) that are relatively prime to 19701931.
19701931 has 2 divisors, whose sum is 19701932
The reverse of 19701931 is 13910791
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
nineteen million seven hundred one thousand nine hundred thirty-one
Scientific notation
1.9701931 × 10^7
Engineering notation
1.9701931 × 10^6
Prime Factorization
19701931
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
19701931
Product of the distinct prime numbers
The prime factorization of 19701931 is 19701931.
Since it has a total of 1 prime factors.
2 , 6 , 67 , 68 , 251 , 545 , 8355 , 9555 , 16384 , 52572 , 843226 , 537141 , 3223371 , 1045461 , 77536635 , 38832542 , 394206242 , 968010555 , 9421153305 , 9907841139
n×2
39403862
n×3
59105793
n×4
78807724
n×5
98509655
n÷2
9850965.5
n÷3
6567310.3333333
n÷3
4925482.75
n÷5
3940386.2
n2
388166085128761
n3
7.647621425747E+21
n4
1.5067290964419E+29
n5
2.968547269379E+36
2 √n
4438.6857289067
3 √n
270.08653376313
4 √n
66.623462300504
5 √n
28.767475954015
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
19701932
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
9850966
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4438.6858415527
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999998984871
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 19701931 can be divided by 2 positive divisors.
The sum of these divisors (counting 19701931) is 19701932, the average is 9850966.
Base
System
Value
2
Binary
1001011001010000010101011
3
Ternary
1101001221222011
4
Quaternary
1023022002223
5
Quinary
20020430211
6
Senary
1542140351
8
Octal
113120253
10
Decimal
19701931
12
Duodecimal
67216b7
16
Hexadecimal
12ca0ab
20
Vigesimal
632egb
36
Base36
bqa3v
md5
2038fae1e5b1365fe4b089b16a893409
sha1
253519f0ceaf8f70dfd0fad6b576da56e692c928
sha256
0f3af3e103cb45ee2c0c7453ccdfad2d38f70cf4cd03bd907eb526f631820bc9
sha512
f5fe6c425e963df7f50d47ffbb31300b9d9eba4c7d2a1ccfeebac6ce00d17efb4dc8f07bc72b07865412b69253c0a1a3aab92293c8b273de49f27ce43e33b9ed
ripemd-160
f2041de10d1c51348e27fa580688e671475ba49d
Diameter
39403862
Circumference
123790883.38227
Area
1.2194597214132E+15
Volume
3.2034281718083E+22
Surface area
4.8778388856529E+15
Circumference
123790883.38227
Perimeter
78807724
Area
388166085128761
Diagonal
27862738.025139
Surface area
2328996510772566
Volume
7.647621425747E+21
Space diagonal
34124745.499216
Perimeter
59105793
Area
1.6808084530453E+14
Altitude
17062372.749608
Surface area
1.6808084530453E+14
Volume
9.0128082834887E+20
Height
9287579.341713