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

2155387 (number)

2155387 is an odd 7-digits composite number following 2155386 and preceding 2155388. In scientific notation, it is written as 2.155387 × 10^6. The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors. There are 1989576 positive integers (up to 2155387) that are relatively prime to 2155387.

Interesting facts

2155387 has 4 divisors, whose sum is 2321200
The reverse of 2155387 is 7835512
Previous prime number is 13

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4

Name

Name	two million one hundred fifty-five thousand three hundred eighty-seven

Notation

Scientific notation	2.155387 × 10^6
Engineering notation	2.155387 × 10^6

Prime Factorization of 2155387

Prime Factorization 13 × 165799

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	2155387	Product of the distinct prime numbers

The prime factorization of 2155387 is 13 × 165799. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 10, 75, 40, 562, 433, 1279, 6240, 59199, 27445, 957681, 339206, 3032028, 8079388, 11981338, 79940593, 783802075, 669619400, 4550056330, 1234721730

Basic calculations (n = 2155387)

Multiplication

n×y

n×2	4310774
n×3	6466161
n×4	8621548
n×5	10776935

Division

n÷y

n÷2	1077693.5
n÷3	718462.33333333
n÷3	538846.75
n÷5	431077.4

Exponentiation

n^y

n²	4645693119769
n³	1.001326655634E+19
n⁴	2.1582464563069E+25
n⁵	4.65185635472E+31

Nth Root

^y√n

²√n	1468.1236323961
³√n	129.17399352588
⁴√n	38.316101477005
⁵√n	18.480131270174

Divisors of 2155387

1, 13, 165799, 2155387

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	-2155386	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 2155387 can be divided by 4 positive divisors. The sum of these divisors (counting 2155387) is 1, the average is 0.25.

Base conversion 2155387

Base	System	Value
2	Binary	1000001110001101111011
3	Ternary	11001111122011
4	Quaternary	20032031323
5	Quinary	1022433022
6	Senary	114110351
8	Octal	10161573
10	Decimal	2155387
12	Duodecimal	87b3b7
16	Hexadecimal	20e37b
20	Vigesimal	d9897
36	Base36	1a73v

Cryptographic Hash Functions

md5	7be8419d899b9afd1fdb01ecebe294ef
sha1	a051ffcd29763d4a69e5d6ffd960ad00eaccf797
sha256	0f969e707015f0938f532bc7db3db2bf93bd46db38be8e29768d2b80da0a5c66
sha512	82a30d7a94a5509a25625a557cb0d84aa27371690002bdcacb60e33f2a23f2e025752c4beddcb8260782a0adf5affc1a2aed754d14b42acefa07b48765d08b89
ripemd-160	c5a5f8b1208a96c3e694d008770e9aa4f8ef6145

2155387 as geometric shapes

Circle

Radius = n

Diameter	4310774
Circumference	13542695.929686
Area	14594875375899

Sphere

Radius = n

Volume	4.194347286911E+19
Surface area	58379501503596
Circumference	13542695.929686

Square

Length = n

Perimeter	8621548
Area	4645693119769
Diagonal	3048177.5275627

Cube

Length = n

Surface area	27874158718614
Volume	1.001326655634E+19
Space diagonal	3733239.7939735

Equilateral Triangle

Length = n

Perimeter	6466161
Area	2011644129953.3
Altitude	1866619.8969867

Triangular Pyramid

Length = n

Surface area	2011644129953.3
Volume	1.180074780636E+18
Height	1016059.1758542