820145691 (number)

820145691 is an odd 9-digits composite number following 820145690 and preceding 820145692. In scientific notation, it is written as 8.20145691 × 10^8. The sum of its digits is 36. It has a total of 3 prime factors and 8 positive divisors. There are 531400896 positive integers (up to 820145691) that are relatively prime to 820145691.

Interesting facts

Basic properties

Name

Name eight hundred twenty million one hundred forty-five thousand six hundred ninety-one

Notation

Scientific notation 8.20145691 × 10^8
Engineering notation 8.20145691 × 10^6

Prime Factorization of 820145691

Prime Factorization 9 × 5671 × 16069

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 820145691
Product of the distinct prime numbers

The prime factorization of 820145691 is 9 × 5671 × 16069. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 90, 96, 806, 407, 1077, 6376, 10998, 7913, 840378, 23134, 1666174, 5085978, 66002085, 52662651, 556480803, 490373496, 8441952008, 573514206

Basic calculations (n = 820145691)

Multiplication

n×y
n×2 1640291382
n×3 2460437073
n×4 3280582764
n×5 4100728455

Division

n÷y
n÷2 410072845.5
n÷3 273381897
n÷3 205036422.75
n÷5 164029138.2

Exponentiation

ny
n2 672638954465867481
n3 5.5166194010393E+26
n4 4.5244316306494E+35
n5 3.7106931061012E+44

Nth Root

y√n
2√n 28638.185888774
3√n 936.04559209763
4√n 169.22820654009
5√n 60.642654243252

Divisors of 820145691

1, 9, 5671, 16069, 51039, 144621, 91127299, 820145691

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 -820145690
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 820145691 can be divided by 8 positive divisors. The sum of these divisors (counting 820145691) is 1, the average is 0.125.

Base conversion 820145691

Base System Value
2 Binary 110000111000100110111000011011
3 Ternary 2010011020201101100
4 Quaternary 300320212320123
5 Quinary 3134424130231
6 Senary 213214322443
8 Octal 6070467033
10 Decimal 820145691
12 Duodecimal 1aa7b9423
16 Hexadecimal 30e26e1b
20 Vigesimal cg5i44b
36 Base36 dkakgr

Cryptographic Hash Functions

md5 eb5db0358a98e024b866cb5f911c29d9
sha1 c192974e8b2d6d28ee585864a453180a844d1e5d
sha256 3c431010acd2e428d279db72e2de8807772860c511c77b4ffab140620599b03d
sha512 27893410a8140f4af54dbfd05bcdeec39a059a0bcf3d905512813eca1d89f986e90b79a59ab17ebf6377d717333169ef9d82301b57fd6a3688ebde1a29d4a5a8
ripemd-160 bbff20c45ca4927777d5d7f82403bbdd435bcffb

820145691 as geometric shapes

Circle

Radius = n
Diameter 1640291382
Circumference 5153127355.4378
Area 2.1131575978683E+18

Sphere

Radius = n
Volume 2.3107961310608E+27
Surface area 8.4526303914732E+18
Circumference 5153127355.4378

Square

Length = n
Perimeter 3280582764
Area 672638954465867481
Diagonal 1159861159.3341

Cube

Length = n
Surface area 4035833726795204886
Volume 5.5166194010393E+26
Space diagonal 1420534006.4207

Equilateral Triangle

Length = n
Perimeter 2460437073
Area 2.9126121107122E+17
Altitude 710267003.21034

Triangular Pyramid

Length = n
Surface area 2.9126121107122E+17
Volume 6.5013983128336E+25
Height 386620386.44468