15691988 (number)

15691988 is an even 8-digits composite number following 15691987 and preceding 15691989. In scientific notation, it is written as 1.5691988 × 10^7. The sum of its digits is 47. It has a total of 6 prime factors and 36 positive divisors. There are 7147296 positive integers (up to 15691988) that are relatively prime to 15691988.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.5691988 × 10^7
Engineering notation 1.5691988 × 10^6

Prime Factorization of 15691988

Prime Factorization 2 × 2 × 13 × 13 × 139 × 167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 6
Total number of prime factors
rad Radical 603538
Product of the distinct prime numbers

The prime factorization of 15691988 is 2 × 2 × 13 × 13 × 139 × 167. Since it has a total of 6 prime factors.

Most popular turbo-numbers

7, 5, 23, 12, 570, 184, 939, 1920, 35356, 59788, 45179, 731666, 485183, 6704040, 36967315, 53259932, 15999190, 388377207, 2886688742, 5449148591

Basic calculations (n = 15691988)

Multiplication

n×y
n×2 31383976
n×3 47075964
n×4 62767952
n×5 78459940

Division

n÷y
n÷2 7845994
n÷3 5230662.6666667
n÷3 3922997
n÷5 3138397.6

Exponentiation

ny
n2 246238487392144
n3 3.8639713892957E+21
n4 6.0633392673171E+28
n5 9.5145847022669E+35

Nth Root

y√n
2√n 3961.3113990193
3√n 250.35675998042
4√n 62.938949776901
5√n 27.487522221927

Divisors of 15691988

1, 2, 4, 13, 26, 52, 139, 167, 169, 278, 334, 338, 556, 668, 676, 1807, 2171, 3614, 4342, 7228, 8684, 23213, 23491, 28223, 46426, 46982, 56446, 92852, 93964, 112892, 301769, 603538, 1207076, 3922997, 7845994, 15691988

36 divisors

τ Total Divisors 36
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -15691987
Sum of the proper positive divisors of n
A Arithmetic Mean 0.027777777777778
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 36
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 15691988 can be divided by 36 positive divisors. The sum of these divisors (counting 15691988) is 1, the average is 0.027777777777778.

Base conversion 15691988

Base System Value
2 Binary 111011110111000011010100
3 Ternary 1002112020100202
4 Quaternary 323313003110
5 Quinary 13004120423
6 Senary 1320200032
8 Octal 73670324
10 Decimal 15691988
12 Duodecimal 5309018
16 Hexadecimal ef70d4
20 Vigesimal 4i19j8
36 Base36 9cc0k

Cryptographic Hash Functions

md5 6cd80fbadb9b5bdf49b5a5b2c82da97f
sha1 19728d39f86847fc6e4bb1f2b5595bc83831c6d9
sha256 3828f790ce1454cb0497f4af6024c227dc2726f5bbdab632fc2ea1fdd3707baa
sha512 91ce6e6033731a1ff431e691e11224f630048ce938fd81ec3d2aacd1355808718c3be66c3d20bb992bccb60a239e48c98f7e146795b008ea138a9ebf056370b3
ripemd-160 899ffc1197eb01993b5042f8f5bbb5502a958db9

15691988 as geometric shapes

Circle

Radius = n
Diameter 31383976
Circumference 98595668.442038
Area 7.7358102302222E+14

Sphere

Radius = n
Volume 1.6185365507057E+22
Surface area 3.0943240920889E+15
Circumference 98595668.442038

Square

Length = n
Perimeter 62767952
Area 246238487392144
Diagonal 22191822.250196

Cube

Length = n
Surface area 1477430924352864
Volume 3.8639713892957E+21
Space diagonal 27179320.487761

Equilateral Triangle

Length = n
Perimeter 47075964
Area 1.0662439273553E+14
Altitude 13589660.243881

Triangular Pyramid

Length = n
Surface area 1.0662439273553E+14
Volume 4.553733952803E+20
Height 7397274.0833986