Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

19991938 (number)

19991938 is an even 8-digits composite number following 19991937 and preceding 19991939. In scientific notation, it is written as 1.9991938 × 10^7. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 9945540 positive integers (up to 19991938) that are relatively prime to 19991938.

Interesting facts

19991938 has 8 divisors, whose sum is 30139200
The reverse of 19991938 is 83919991
Previous prime number is 199

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4

Name

Name	nineteen million nine hundred ninety-one thousand nine hundred thirty-eight

Notation

Scientific notation	1.9991938 × 10^7
Engineering notation	1.9991938 × 10^6

Prime Factorization of 19991938

Prime Factorization 2 × 199 × 50231

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	19991938	Product of the distinct prime numbers

The prime factorization of 19991938 is 2 × 199 × 50231. Since it has a total of 3 prime factors.

Most popular turbo-numbers

3, 8, 29, 96, 591, 128, 2729, 27, 50102, 64034, 989490, 474360, 9772867, 1783658, 8145974, 52133528, 160221134, 655757544, 9635153826, 7091952995

Basic calculations (n = 19991938)

Multiplication

n×y

n×2	39983876
n×3	59975814
n×4	79967752
n×5	99959690

Division

n÷y

n÷2	9995969
n÷3	6663979.3333333
n÷3	4997984.5
n÷5	3998387.6

Exponentiation

n^y

n²	399677584995844
n³	7.9903294992266E+21
n⁴	1.5974217194811E+29
n⁵	3.193555597572E+36

Nth Root

^y√n

²√n	4471.2345051451
³√n	271.40528403297
⁴√n	66.86729024826
⁵√n	28.851671533647

Divisors of 19991938

1, 2, 199, 398, 50231, 100462, 9995969, 19991938

8 divisors

τ	Total Divisors	8	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-19991937	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.125	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	8	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 19991938 can be divided by 8 positive divisors. The sum of these divisors (counting 19991938) is 1, the average is 0.125.

Base conversion 19991938

Base	System	Value
2	Binary	1001100010000110110000010
3	Ternary	1101121200210011
4	Quaternary	1030100312002
5	Quinary	20104220223
6	Senary	1552255134
8	Octal	114206602
10	Decimal	19991938
12	Duodecimal	68414aa
16	Hexadecimal	1310d82
20	Vigesimal	64ijgi
36	Base36	bwhvm

Cryptographic Hash Functions

md5	7220ea0ee4a29260ca6807ac9044a69b
sha1	cd4f30b02286333acfddf3e4de0fc8250e86a75f
sha256	a7ecf46dd1d6ba4bf0a1ab34fe394d97ad3a028ee5613c7bba935a1531bcdbb5
sha512	86bc8968338e82d212604d01034599d799b4f5c89f9252ca0ffc4f64aa66b4c7baead1090769074f5d7ba0318f5b4bf8603839c17b6409832d7d54c87efafea1
ripemd-160	3e1729bf4e83604ab15d3faf7110f3a63cf93757

19991938 as geometric shapes

Circle

Radius = n

Diameter	39983876
Circumference	125613051.10365
Area	1.2556241648275E+15

Sphere

Radius = n

Volume	3.3469813939376E+22
Surface area	5.0224966593098E+15
Circumference	125613051.10365

Square

Length = n

Perimeter	79967752
Area	399677584995844
Diagonal	28272869.857722

Cube

Length = n

Surface area	2398065509975064
Volume	7.9903294992266E+21
Space diagonal	34627052.357767

Equilateral Triangle

Length = n

Perimeter	59975814
Area	1.7306547096481E+14
Altitude	17313526.178883

Triangular Pyramid

Length = n

Surface area	1.7306547096481E+14
Volume	9.4166936213635E+20
Height	9424289.952574