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

142912987 (number)

142912987 is an odd 9-digits composite number following 142912986 and preceding 142912988. In scientific notation, it is written as 1.42912987 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 122496840 positive integers (up to 142912987) that are relatively prime to 142912987.

Interesting facts

142912987 has 4 divisors, whose sum is 163329136
The reverse of 142912987 is 789219241
Previous prime number is 7

Basic properties

Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7

Name

Name	one hundred forty-two million nine hundred twelve thousand nine hundred eighty-seven

Notation

Scientific notation	1.42912987 × 10^8
Engineering notation	1.42912987 × 10^6

Prime Factorization of 142912987

Prime Factorization 7 × 20416141

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	142912987	Product of the distinct prime numbers

The prime factorization of 142912987 is 7 × 20416141. Since it has a total of 2 prime factors.

Most popular turbo-numbers

5, 2, 68, 46, 193, 909, 3942, 2857, 12031, 86339, 270450, 991636, 2577115, 8977739, 8488521, 23808535, 452461267, 153137894, 4124284173, 4307187244

Basic calculations (n = 142912987)

Multiplication

n×y

n×2	285825974
n×3	428738961
n×4	571651948
n×5	714564935

Division

n÷y

n÷2	71456493.5
n÷3	47637662.333333
n÷3	35728246.75
n÷5	28582597.4

Exponentiation

n^y

n²	20424121853262169
n³	2.9188722609017E+24
n⁴	4.171447534769E+32
n⁵	5.9615402730763E+40

Nth Root

^y√n

²√n	11954.621993187
³√n	522.82606663107
⁴√n	109.33719400637
⁵√n	42.757700341142

Divisors of 142912987

1, 7, 20416141, 142912987

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	-142912986	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 142912987 can be divided by 4 positive divisors. The sum of these divisors (counting 142912987) is 1, the average is 0.25.

Base conversion 142912987

Base	System	Value
2	Binary	1000100001001010110111011011
3	Ternary	100221220201202121
4	Quaternary	20201022313123
5	Quinary	243041203422
6	Senary	22103042111
8	Octal	1041126733
10	Decimal	142912987
12	Duodecimal	3ba40337
16	Hexadecimal	884addb
20	Vigesimal	24d4297
36	Base36	2d34d7

Cryptographic Hash Functions

md5	27157771836e1fa7d3f9c990eb2dc492
sha1	bd13b2d0b34680583480125b62e27ecf781d14d7
sha256	33d4cb124e6c64617e32cd787264fc641db78bd8e012b129f0bd7ff6367308e1
sha512	ea71a00436118421b48a598d5b1d007a0f10dbb4ab707bf39b95b8b3ecacc9a706553ce858e5fe460464afecb12af45dccfbce2514222eb787ee8f6715eb4f7b
ripemd-160	a9e5747df14301e5e4933a7911f87ca455fc52e1

142912987 as geometric shapes

Circle

Radius = n

Diameter	285825974
Circumference	897948780.12355
Area	6.4164271170231E+16

Sphere

Radius = n

Volume	1.2226543535488E+25
Surface area	2.5665708468092E+17
Circumference	897948780.12355

Square

Length = n

Perimeter	571651948
Area	20424121853262169
Diagonal	202109484.45465

Cube

Length = n

Surface area	122544731119573014
Volume	2.9188722609017E+24
Space diagonal	247532554.54543

Equilateral Triangle

Length = n

Perimeter	428738961
Area	8.843904187457E+15
Altitude	123766277.27272

Triangular Pyramid

Length = n

Surface area	8.843904187457E+15
Volume	3.4399239485015E+23
Height	67369828.15155