19991213 is an odd 8-digits composite number following 19991212
and preceding 19991214 . In scientific notation, it is written as 1.9991213 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 18173820 positive integers (up to 19991213) that are relatively prime to 19991213.
19991213 has 4 divisors, whose sum is 21808608
The reverse of 19991213 is 31219991
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
nineteen million nine hundred ninety-one thousand two hundred thirteen
Scientific notation
1.9991213 × 10^7
Engineering notation
1.9991213 × 10^6
Prime Factorization
11 × 1817383
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
19991213
Product of the distinct prime numbers
The prime factorization of 19991213 is 11 × 1817383.
Since it has a total of 2 prime factors.
6 , 10 , 33 , 83 , 575 , 832 , 4785 , 8130 , 42554 , 3 , 833487 , 746165 , 5967080 , 7986493 , 99560946 , 79992411 , 780040259 , 569887383 , 8392916425 , 1730851342
n×2
39982426
n×3
59973639
n×4
79964852
n×5
99956065
n÷2
9995606.5
n÷3
6663737.6666667
n÷3
4997803.25
n÷5
3998242.6
n2
399648597211369
n3
7.9894602320037E+21
n4
1.5971900125302E+29
n5
3.1929765741963E+36
2 √n
4471.1534306038
3 √n
271.4020031903
4 √n
66.866684010827
5 √n
28.851462271641
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
-19991212
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 19991213 can be divided by 4 positive divisors.
The sum of these divisors (counting 19991213) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100010000101010101101
3
Ternary
1101121122210022
4
Quaternary
1030100222231
5
Quinary
20104204323
6
Senary
1552251525
8
Octal
114205255
10
Decimal
19991213
12
Duodecimal
6840ba5
16
Hexadecimal
1310aad
20
Vigesimal
64ii0d
36
Base36
bwhbh
md5
09e494c98148a01e6f4b1e241bccc1bd
sha1
9635e26a6b618f90836d1ed7c1a86ecdc1e53b2b
sha256
5c763bed766083844d0f752fc198a10745f24d3682977de1759089876f4c948a
sha512
899f1b2b81cb89350c92882602720c65df73946395b6826bfe3ed9cddd7373e5c4e2353efefc7e8f07c9d42fdd2a083af1cafc05b0da253cc0fa2876f640876f
ripemd-160
d34b1c7891b9b279a31d31a1fda8f23e7b7347c9
Diameter
39982426
Circumference
125608495.7943
Area
1.2555330970167E+15
Volume
3.3466172761347E+22
Surface area
5.0221323880668E+15
Circumference
125608495.7943
Perimeter
79964852
Area
399648597211369
Diagonal
28271844.552889
Surface area
2397891583268214
Volume
7.9894602320037E+21
Space diagonal
34625796.620931
Perimeter
59973639
Area
1.7305291888593E+14
Altitude
17312898.310466
Surface area
1.7305291888593E+14
Volume
9.4156691801168E+20
Height
9423948.1842964