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

31389128 (number)

31389128 is an even 8-digits composite number following 31389127 and preceding 31389129. In scientific notation, it is written as 3.1389128 × 10^7. The sum of its digits is 35. It has a total of 4 prime factors and 8 positive divisors. There are 15694560 positive integers (up to 31389128) that are relatively prime to 31389128.

Interesting facts

31389128 has 8 divisors, whose sum is 58854630
The reverse of 31389128 is 82198313
Previous prime number is 2

Basic properties

Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8

Name

Name	thirty-one million three hundred eighty-nine thousand one hundred twenty-eight

Notation

Scientific notation	3.1389128 × 10^7
Engineering notation	3.1389128 × 10^6

Prime Factorization of 31389128

Prime Factorization 2 × 2 × 2 × 3923641

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	4	Total number of prime factors
rad	Radical	7847282	Product of the distinct prime numbers

The prime factorization of 31389128 is 2 × 2 × 2 × 3923641. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 7, 55, 76, 108, 952, 5379, 4458, 69002, 67868, 384577, 889141, 134343, 2722647, 48144472, 42248038, 983444745, 768029037, 8306941910, 3477998466

Basic calculations (n = 31389128)

Multiplication

n×y

n×2	62778256
n×3	94167384
n×4	125556512
n×5	156945640

Division

n÷y

n÷2	15694564
n÷3	10463042.666667
n÷3	7847282
n÷5	6277825.6

Exponentiation

n^y

n²	985277356600384
n³	3.0926997061831E+22
n⁴	9.7077146942944E+29
n⁵	3.0471669912669E+37

Nth Root

^y√n

²√n	5602.6001106629
³√n	315.44701127621
⁴√n	74.850518439507
⁵√n	31.575908158697

Divisors of 31389128

1, 2, 4, 8, 3923641, 7847282, 15694564, 31389128

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	-31389127	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 31389128 can be divided by 8 positive divisors. The sum of these divisors (counting 31389128) is 1, the average is 0.125.

Base conversion 31389128

Base	System	Value
2	Binary	1110111101111010111001000
3	Ternary	2012001201210022
4	Quaternary	1313233113020
5	Quinary	31013423003
6	Senary	3040440012
8	Octal	167572710
10	Decimal	31389128
12	Duodecimal	a619008
16	Hexadecimal	1def5c8
20	Vigesimal	9g3cg8
36	Base36	ios08

Cryptographic Hash Functions

md5	79a799d692984b1e882eb31c16a978ac
sha1	1b708ea381a14a20de6995c7730c9f0d397264b3
sha256	a2d65df0f33ba4c929053e568f19d2db410f6d5c2c728461d7f4909d0e7d6ef3
sha512	c916db74ddd91f5150c8865e84c3b8cc8352ee06a903066598da0e9cf6abed4b1130888abba6c7b5afd059749b3bb8423cadd3f28cdc723a4a79c25527b47e33
ripemd-160	bdedc5884510e471055ef0b6e5b7c3e461c16aec

31389128 as geometric shapes

Circle

Radius = n

Diameter	62778256
Circumference	197223707.85478
Area	3.0953401052441E+15

Sphere

Radius = n

Volume	1.2954670235606E+23
Surface area	1.2381360420977E+16
Circumference	197223707.85478

Square

Length = n

Perimeter	125556512
Area	985277356600384
Diagonal	44390930.528665

Cube

Length = n

Surface area	5911664139602304
Volume	3.0926997061831E+22
Space diagonal	54367564.501283

Equilateral Triangle

Length = n

Perimeter	94167384
Area	4.2663761029476E+14
Altitude	27183782.250641

Triangular Pyramid

Length = n

Surface area	4.2663761029476E+14
Volume	3.6447815573595E+21
Height	14796976.842888