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

1387921 (number)

1387921 is an odd 7-digits prime number following 1387920 and preceding 1387922. In scientific notation, it is written as 1.387921 × 10^6. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 1387920 positive integers (up to 1387921) that are relatively prime to 1387921.

Interesting facts

1387921 has 2 divisors, whose sum is 1387922
The reverse of 1387921 is 1297831
Previous prime number is 1

Basic properties

Is Prime? yes
Number parity odd
Number length 7
Sum of Digits 31
Digital Root 4

Name

Name	one million three hundred eighty-seven thousand nine hundred twenty-one

Notation

Scientific notation	1.387921 × 10^6
Engineering notation	1.387921 × 10^6

Prime Factorization of 1387921

Prime Factorization 1387921

Composite number

ω	Distinct Factors	1	Total number of distinct prime factors
Ω	Total Factors	1	Total number of prime factors
rad	Radical	1387921	Product of the distinct prime numbers

The prime factorization of 1387921 is 1387921. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 2, 44, 93, 936, 262, 503, 4011, 59707, 38725, 152406, 335118, 4232737, 577444, 55996906, 44472212, 344893843, 30510889, 4507954788, 8323569060

Basic calculations (n = 1387921)

Multiplication

n×y

n×2	2775842
n×3	4163763
n×4	5551684
n×5	6939605

Division

n÷y

n÷2	693960.5
n÷3	462640.33333333
n÷3	346980.25
n÷5	277584.2

Exponentiation

n^y

n²	1926324702241
n³	2673586507059030961
n⁴	3.7107268584639E+24
n⁵	5.150195732126E+30

Nth Root

^y√n

²√n	1178.1005899328
³√n	111.54623485567
⁴√n	34.323469957637
⁵√n	16.922828350451

Divisors of 1387921

1, 1387921

2 divisors

τ	Total Divisors	2	Total number of the positive divisors of n
σ	Sum of Divisors	1387922	Sum of all the positive divisors of n
s	Aliquot Sum	1	Sum of the proper positive divisors of n
A	Arithmetic Mean	693961	Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G	Geometric Mean	1178.1010143447	Returns the nth root of the product of n divisors
H	Harmonic Mean	1.9999985589968	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1387921 can be divided by 2 positive divisors. The sum of these divisors (counting 1387921) is 1387922, the average is 693961.

Base conversion 1387921

Base	System	Value
2	Binary	101010010110110010001
3	Ternary	2121111212111
4	Quaternary	11102312101
5	Quinary	323403141
6	Senary	45425321
8	Octal	5226621
10	Decimal	1387921
12	Duodecimal	56b241
16	Hexadecimal	152d91
20	Vigesimal	8d9g1
36	Base36	tqxd

Cryptographic Hash Functions

md5	8ad9ff74ccbba07d5dc5bf74c5ae8a1d
sha1	b288ea9b15efc3eb79c1289868e1380b84355439
sha256	c461a19cd20f3e0bb5b281fc42f20a6754ea864787c1c67218b1e7092e73a0dd
sha512	5beb80ef4b0bc4fab43539082d2bde017f86dc3017c840d04c280cf3c5c44580ee81381db78ec5b93f7787235c67a7214197f6cd234f478f64b1c6be52985380
ripemd-160	dff25d387770464e4682f298f7e273d8d47a9c4e

1387921 as geometric shapes

Circle

Radius = n

Diameter	2775842
Circumference	8720564.834726
Area	6051727532988.9

Sphere

Radius = n

Volume	1.1199092972418E+19
Surface area	24206910131955
Circumference	8720564.834726

Square

Length = n

Perimeter	5551684
Area	1926324702241
Diagonal	1962816.7017024

Cube

Length = n

Surface area	11557948213446
Volume	2673586507059030961
Space diagonal	2403949.6888918

Equilateral Triangle

Length = n

Perimeter	4163763
Area	834123064039.1
Altitude	1201974.8444459

Triangular Pyramid

Length = n

Surface area	834123064039.1
Volume	3.1508519153838E+17
Height	654272.23390081