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

1991091 (number)

1991091 is an odd 7-digits composite number following 1991090 and preceding 1991092. In scientific notation, it is written as 1.991091 × 10^6. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 1249280 positive integers (up to 1991091) that are relatively prime to 1991091.

Interesting facts

1991091 has 8 divisors, whose sum is 2811024
The reverse of 1991091 is 1901991
Previous prime number is 17

Basic properties

Is Prime? no
Number parity odd
Number length 7
Sum of Digits 30
Digital Root 3

Name

Name	one million nine hundred ninety-one thousand ninety-one

Notation

Scientific notation	1.991091 × 10^6
Engineering notation	1.991091 × 10^6

Prime Factorization of 1991091

Prime Factorization 3 × 17 × 39041

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	1991091	Product of the distinct prime numbers

The prime factorization of 1991091 is 3 × 17 × 39041. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 17, 27, 49, 750, 1967, 319, 67927, 36247, 898520, 604483, 873096, 6203454, 81849267, 42802491, 516878537, 725274943, 5543516307, 4952098032

Basic calculations (n = 1991091)

Multiplication

n×y

n×2	3982182
n×3	5973273
n×4	7964364
n×5	9955455

Division

n÷y

n÷2	995545.5
n÷3	663697
n÷3	497772.75
n÷5	398218.2

Exponentiation

n^y

n²	3964443370281
n³	7893567514576166571
n⁴	1.5716811236165E+25
n⁵	3.1293601401027E+31

Nth Root

^y√n

²√n	1411.060239678
³√n	125.80474924421
⁴√n	37.564081776052
⁵√n	18.189393646556

Divisors of 1991091

1, 3, 17, 51, 39041, 117123, 663697, 1991091

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	-1991090	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 1991091 can be divided by 8 positive divisors. The sum of these divisors (counting 1991091) is 1, the average is 0.125.

Base conversion 1991091

Base	System	Value
2	Binary	111100110000110110011
3	Ternary	10202011021010
4	Quaternary	13212012303
5	Quinary	1002203331
6	Senary	110402003
8	Octal	7460663
10	Decimal	1991091
12	Duodecimal	800303
16	Hexadecimal	1e61b3
20	Vigesimal	c8heb
36	Base36	16oc3

Cryptographic Hash Functions

md5	b7dbd2ae7764291c18d80c610e1366e9
sha1	9665ec1ebe4def66532fa504dec68c980e6879d4
sha256	053004f0757bafd26b0b1b773faaad7d19bb8eaf1bdf7553145ca1b313ca6833
sha512	6a4d272996854c5ed6fe2c69e289f6eef77157ea06c57933ebc0bc5d894a9cef89c6c0a684de85be6452e1b679f5da7634a4d680659bf903a7c1148284fac6a3
ripemd-160	1de8265d7e75333660a364f379e4c5eae24125f4

1991091 as geometric shapes

Circle

Radius = n

Diameter	3982182
Circumference	12510393.716458
Area	12454666167648

Sphere

Radius = n

Volume	3.3064498285877E+19
Surface area	49818664670590
Circumference	12510393.716458

Square

Length = n

Perimeter	7964364
Area	3964443370281
Diagonal	2815827.896119

Cube

Length = n

Surface area	23786660221686
Volume	7893567514576166571
Space diagonal	3448670.7744931

Equilateral Triangle

Length = n

Perimeter	5973273
Area	1716654335264.1
Altitude	1724335.3872466

Triangular Pyramid

Length = n

Surface area	1716654335264.1
Volume	9.3026585288511E+17
Height	938609.29870634