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

15681938 (number)

15681938 is an even 8-digits composite number following 15681937 and preceding 15681939. In scientific notation, it is written as 1.5681938 × 10^7. The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors. There are 7840968 positive integers (up to 15681938) that are relatively prime to 15681938.

Interesting facts

15681938 has 4 divisors, whose sum is 23522910
The reverse of 15681938 is 83918651
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5

Name

Name	fifteen million six hundred eighty-one thousand nine hundred thirty-eight

Notation

Scientific notation	1.5681938 × 10^7
Engineering notation	1.5681938 × 10^6

Prime Factorization of 15681938

Prime Factorization 2 × 7840969

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	15681938	Product of the distinct prime numbers

The prime factorization of 15681938 is 2 × 7840969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 4, 43, 1, 771, 731, 2991, 9159, 14989, 30334, 91618, 895072, 6129986, 8258118, 22670732, 88939253, 843563282, 443129325, 6222821083, 8114633860

Basic calculations (n = 15681938)

Multiplication

n×y

n×2	31363876
n×3	47045814
n×4	62727752
n×5	78409690

Division

n÷y

n÷2	7840969
n÷3	5227312.6666667
n÷3	3920484.5
n÷5	3136387.6

Exponentiation

n^y

n²	245923179435844
n³	3.8565520526758E+21
n⁴	6.0478210183834E+28
n⁵	9.4841554245386E+35

Nth Root

^y√n

²√n	3960.0426765377
³√n	250.30330121801
⁴√n	62.928869976647
⁵√n	27.484000419646

Divisors of 15681938

1, 2, 7840969, 15681938

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	-15681937	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 15681938 can be divided by 4 positive divisors. The sum of these divisors (counting 15681938) is 1, the average is 0.25.

Base conversion 15681938

Base	System	Value
2	Binary	111011110100100110010010
3	Ternary	1002111201120112
4	Quaternary	323310212102
5	Quinary	13003310223
6	Senary	1320041322
8	Octal	73644622
10	Decimal	15681938
12	Duodecimal	5303242
16	Hexadecimal	ef4992
20	Vigesimal	4i04gi
36	Base36	9c49e

Cryptographic Hash Functions

md5	5f7afae483e111540097777198f7c849
sha1	1ca7a0723611641c2061bb9c18bc39bdf1165e9b
sha256	aad03b58d052e8ea5ecd6a7e364bbfc6656db6dd10857baf633f721a7059f74b
sha512	2d26cbb2f8f8c115be67979c880b93c131b3438d3ac5fe69a9f18dc400a7c5ae70939061a37308258e4f62be5991ee86958cae1c0bd925834913877c4d1aa394
ripemd-160	eed78b9226b548c8aa75150f74659030e77a9037

15681938 as geometric shapes

Circle

Radius = n

Diameter	31363876
Circumference	98532522.429701
Area	7.7259045386309E+14

Sphere

Radius = n

Volume	1.6154287462497E+22
Surface area	3.0903618154524E+15
Circumference	98532522.429701

Square

Length = n

Perimeter	62727752
Area	245923179435844
Diagonal	22177609.403894

Cube

Length = n

Surface area	1475539076615064
Volume	3.8565520526758E+21
Space diagonal	27161913.377145

Equilateral Triangle

Length = n

Perimeter	47045814
Area	1.0648786038544E+14
Altitude	13580956.688573

Triangular Pyramid

Length = n

Surface area	1.0648786038544E+14
Volume	4.5449901807432E+20
Height	7392536.4679647