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

80821991 (number)

80821991 is an odd 8-digits composite number following 80821990 and preceding 80821992. In scientific notation, it is written as 8.0821991 × 10^7. The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors. There are 74097720 positive integers (up to 80821991) that are relatively prime to 80821991.

Interesting facts

80821991 has 8 divisors, whose sum is 87820800
The reverse of 80821991 is 19912808
Previous prime number is 31

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2

Name

Name	eighty million eight hundred twenty-one thousand nine hundred ninety-one

Notation

Scientific notation	8.0821991 × 10^7
Engineering notation	8.0821991 × 10^6

Prime Factorization of 80821991

Prime Factorization 19 × 31 × 137219

Composite number

ω	Distinct Factors	3	Total number of distinct prime factors
Ω	Total Factors	3	Total number of prime factors
rad	Radical	80821991	Product of the distinct prime numbers

The prime factorization of 80821991 is 19 × 31 × 137219. Since it has a total of 3 prime factors.

Most popular turbo-numbers

7, 5, 63, 69, 785, 145, 6476, 9343, 10753, 91169, 828704, 964045, 3603330, 8101216, 44880682, 69603102, 736997154, 960479274, 8699104848, 6277170724

Basic calculations (n = 80821991)

Multiplication

n×y

n×2	161643982
n×3	242465973
n×4	323287964
n×5	404109955

Division

n÷y

n÷2	40410995.5
n÷3	26940663.666667
n÷3	20205497.75
n÷5	16164398.2

Exponentiation

n^y

n²	6532194229204081
n³	5.2794494320298E+23
n⁴	4.2669561448047E+31
n⁵	3.448638911328E+39

Nth Root

^y√n

²√n	8990.1051717986
³√n	432.35768380447
⁴√n	94.816165139699
⁵√n	38.150998502718

Divisors of 80821991

1, 19, 31, 589, 137219, 2607161, 4253789, 80821991

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	-80821990	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 80821991 can be divided by 8 positive divisors. The sum of these divisors (counting 80821991) is 1, the average is 0.125.

Base conversion 80821991

Base	System	Value
2	Binary	100110100010011111011100111
3	Ternary	12122002011221002
4	Quaternary	10310103323213
5	Quinary	131142300431
6	Senary	12004143515
8	Octal	464237347
10	Decimal	80821991
12	Duodecimal	23097b9b
16	Hexadecimal	4d13ee7
20	Vigesimal	1552ejb
36	Base36	1c4anb

Cryptographic Hash Functions

md5	b2d135b0cc9cd8327d38a3ad38d0f1c6
sha1	8022741371b34321cff8a63844944f7e3ddf04b7
sha256	e42d9c325c2570175d8fcad8f7f428873d78ba1b6e287b360e62a8335085c458
sha512	3c93c46a38e1833e20e90e005c0d7ab92a286b2ad927f5f18974f74257d3e8e4e5fb713d2d8a17c542d5b232b9fade4a48c6182d9905cd1031839a07f79b5ff7
ripemd-160	b7b9684327506f2a376d5c84af17d21444fd6204

80821991 as geometric shapes

Circle

Radius = n

Diameter	161643982
Circumference	507819546.3482
Area	2.0521493402289E+16

Sphere

Radius = n

Volume	2.2114506067552E+24
Surface area	8.2085973609157E+16
Circumference	507819546.3482

Square

Length = n

Perimeter	323287964
Area	6532194229204081
Diagonal	114299555.8102

Cube

Length = n

Surface area	39193165375224486
Volume	5.2794494320298E+23
Space diagonal	139987794.78087

Equilateral Triangle

Length = n

Perimeter	242465973
Area	2.8285230724724E+15
Altitude	69993897.390437

Triangular Pyramid

Length = n

Surface area	2.8285230724724E+15
Volume	6.2218908238663E+22
Height	38099851.936732