821428087 (number)

821428087 is an odd 9-digits prime number following 821428086 and preceding 821428088. In scientific notation, it is written as 8.21428087 × 10^8. The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors. There are 821428086 positive integers (up to 821428087) that are relatively prime to 821428087.

Interesting facts

Basic properties

Name

Name eight hundred twenty-one million four hundred twenty-eight thousand eighty-seven

Notation

Scientific notation 8.21428087 × 10^8
Engineering notation 8.21428087 × 10^6

Prime Factorization of 821428087

Prime Factorization 821428087

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 821428087
Product of the distinct prime numbers

The prime factorization of 821428087 is 821428087. Since it has a total of 1 prime factors.

Most popular turbo-numbers

2, 7, 62, 20, 542, 714, 9048, 3042, 8929, 31128, 590345, 519042, 4072120, 417865, 62551399, 2745633, 923275100, 744011604, 6654042784, 327455781

Basic calculations (n = 821428087)

Multiplication

n×y
n×2 1642856174
n×3 2464284261
n×4 3285712348
n×5 4107140435

Division

n÷y
n÷2 410714043.5
n÷3 273809362.33333
n÷3 205357021.75
n÷5 164285617.4

Exponentiation

ny
n2 674744102112479569
n3 5.5425375701279E+26
n4 4.5527960333558E+35
n5 3.7397945361806E+44

Nth Root

y√n
2√n 28660.566759923
3√n 936.53321116038
4√n 169.29431992811
5√n 60.661606803486

Divisors of 821428087

1, 821428087

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 821428088
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 410714044
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 28660.566777369
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999975652
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 821428087 can be divided by 2 positive divisors. The sum of these divisors (counting 821428087) is 821428088, the average is 410714044.

Base conversion 821428087

Base System Value
2 Binary 110000111101011111111101110111
3 Ternary 2010020122212111111
4 Quaternary 300331133331313
5 Quinary 3140241144322
6 Senary 213302015451
8 Octal 6075377567
10 Decimal 821428087
12 Duodecimal 1ab117587
16 Hexadecimal 30f5ff77
20 Vigesimal cgdia47
36 Base36 dl21yv

Cryptographic Hash Functions

md5 a48952bde06b654d2b237ebae59517f8
sha1 e83f90d1e7452455c6c00758621f7692226a4a66
sha256 2456a14b57cf3ea134e23d48b30cfe228cdc3f0e20926015b13b1f266b4165f9
sha512 c584785c7ae6dac924921af58bf7e65cfe5692528b5d2171fb6b29507f7199e79052d91d73cd26ab79a1ca3e6ddd0b66f890cf10009c2ea8f23f4f12ebdb2205
ripemd-160 2994e243ecbf07967dbb2d54c23b003378db7f45

821428087 as geometric shapes

Circle

Radius = n
Diameter 1642856174
Circumference 5161184887.143
Area 2.1197711142496E+18

Sphere

Radius = n
Volume 2.3216527083412E+27
Surface area 8.4790844569984E+18
Circumference 5161184887.143

Square

Length = n
Perimeter 3285712348
Area 674744102112479569
Diagonal 1161674741.1496

Cube

Length = n
Surface area 4048464612674877414
Volume 5.5425375701279E+26
Space diagonal 1422755181.4481

Equilateral Triangle

Length = n
Perimeter 2464284261
Area 2.9217276674156E+17
Altitude 711377590.72405

Triangular Pyramid

Length = n
Surface area 2.9217276674156E+17
Volume 6.531943168031E+25
Height 387224913.71653