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

16401987 (number)

16401987 is an odd 8-digits composite number following 16401986 and preceding 16401988. In scientific notation, it is written as 1.6401987 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 9372456 positive integers (up to 16401987) that are relatively prime to 16401987.

Interesting facts

16401987 has 8 divisors, whose sum is 19439616
The reverse of 16401987 is 78910461
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9

Name

Name	sixteen million four hundred one thousand nine hundred eighty-seven

Notation

Scientific notation	1.6401987 × 10^7
Engineering notation	1.6401987 × 10^6

Prime Factorization of 16401987

Prime Factorization 27 × 7 × 86783

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	16401987	Product of the distinct prime numbers

The prime factorization of 16401987 is 27 × 7 × 86783. Since it has a total of 3 prime factors.

Most popular turbo-numbers

1, 4, 59, 2, 10, 136, 1361, 4917, 54356, 71141, 223392, 97316, 2608334, 1487199, 3068789, 93918910, 486556011, 963880897, 9442824576, 5849197283

Basic calculations (n = 16401987)

Multiplication

n×y

n×2	32803974
n×3	49205961
n×4	65607948
n×5	82009935

Division

n÷y

n÷2	8200993.5
n÷3	5467329
n÷3	4100496.75
n÷5	3280397.4

Exponentiation

n^y

n²	269025177548169
n³	4.4125474648178E+21
n⁴	7.2374546154824E+28
n⁵	1.1870863651623E+36

Nth Root

^y√n

²√n	4049.9366661715
³√n	254.07707892811
⁴√n	63.639112707292
⁵√n	27.731878748144

Divisors of 16401987

1, 7, 27, 189, 86783, 607481, 2343141, 16401987

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	-16401986	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 16401987 can be divided by 8 positive divisors. The sum of these divisors (counting 16401987) is 1, the average is 0.125.

Base conversion 16401987

Base	System	Value
2	Binary	111110100100011001000011
3	Ternary	1010212022022000
4	Quaternary	332210121003
5	Quinary	13144330422
6	Senary	1343315043
8	Octal	76443103
10	Decimal	16401987
12	Duodecimal	55aba83
16	Hexadecimal	fa4643
20	Vigesimal	52a4j7
36	Base36	9rjur

Cryptographic Hash Functions

md5	7d6ecdc9fd04562d686051d5e7cd5b33
sha1	88966ec3fbf8176f3ca93d4a170a71b2289b8eb3
sha256	5352089acdc084184bc7ab98f03bc92f465272502881673a4c92f44dc6b61813
sha512	d1f511f32320b6eebcc6f568156a07ea3d3bcd6c3de02f1b495e25dbc6402217ec51b20509153c7e7c84670cd636cfde412cf37f2ce87b9f023117c6dbe92d1b
ripemd-160	bb7f2a5f9cbafd16122afa766575680c2226f60e

16401987 as geometric shapes

Circle

Radius = n

Diameter	32803974
Circumference	103056723.72695
Area	8.4516752141602E+14

Sphere

Radius = n

Volume	1.8483235598784E+22
Surface area	3.3806700856641E+15
Circumference	103056723.72695

Square

Length = n

Perimeter	65607948
Area	269025177548169
Diagonal	23195912.465267

Cube

Length = n

Surface area	1614151065289014
Volume	4.4125474648178E+21
Space diagonal	28409074.829084

Equilateral Triangle

Length = n

Perimeter	49205961
Area	1.1649131900717E+14
Altitude	14204537.414542

Triangular Pyramid

Length = n

Surface area	1.1649131900717E+14
Volume	5.2002370578002E+20
Height	7731970.8217557