81620007 (number)

81620007 is an odd 8-digits composite number following 81620006 and preceding 81620008. In scientific notation, it is written as 8.1620007 × 10^7. The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors. There are 44755200 positive integers (up to 81620007) that are relatively prime to 81620007.

Interesting facts

Basic properties

Name

Name eighty-one million six hundred twenty thousand seven

Notation

Scientific notation 8.1620007 × 10^7
Engineering notation 8.1620007 × 10^6

Prime Factorization of 81620007

Prime Factorization 7 × 3 × 29 × 223 × 601

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 81620007
Product of the distinct prime numbers

The prime factorization of 81620007 is 7 × 3 × 29 × 223 × 601. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 81620007)

Multiplication

n×y
n×2 163240014
n×3 244860021
n×4 326480028
n×5 408100035

Division

n÷y
n÷2 40810003.5
n÷3 27206669
n÷3 20405001.75
n÷5 16324001.4

Exponentiation

ny
n2 6661825542680049
n3 5.4373824742632E+23
n4 4.4379919561104E+31
n5 3.6222893452368E+39

Nth Root

y√n
2√n 9034.3791707012
3√n 433.77602287765
4√n 95.049351237666
5√n 38.226041375028

Divisors of 81620007

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -81620006
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 81620007 can be divided by 32 positive divisors. The sum of these divisors (counting 81620007) is 1, the average is 0.03125.

Base conversion 81620007

Base System Value
2 Binary 100110111010110110000100111
3 Ternary 12200120201121020
4 Quaternary 10313112300213
5 Quinary 131343320012
6 Senary 12033222223
8 Octal 467266047
10 Decimal 81620007
12 Duodecimal 23401973
16 Hexadecimal 4dd6c27
20 Vigesimal 15a2a07
36 Base36 1cleef

Cryptographic Hash Functions

md5 4a9b359004a0013df57ee63d40ee7cd2
sha1 b274adb28c9ec41ae5be8867687d612ef2e73ec7
sha256 e897e1b8e594a118215cda14d0316c19f3a110bcbdad55234369e535153d4055
sha512 f47ad94245cafb596f19c391293de701451caf3365cedf8d22747013aec606f17dd0ab1a64565b2339f21a9f0554b0f5e7540cc24dbedd4304f27406d85bb00e
ripemd-160 5b7ce0b6ed153e7e0a9de584bf4044e38fe8e0cd

81620007 as geometric shapes

Circle

Radius = n
Diameter 163240014
Circumference 512833628.75429
Area 2.092874218438E+16

Sphere

Radius = n
Volume 2.2776054447871E+24
Surface area 8.3714968737522E+16
Circumference 512833628.75429

Square

Length = n
Perimeter 326480028
Area 6661825542680049
Diagonal 115428120.86039

Cube

Length = n
Surface area 39970953256080294
Volume 5.4373824742632E+23
Space diagonal 141369999.03813

Equilateral Triangle

Length = n
Perimeter 244860021
Area 2.8846550777705E+15
Altitude 70684999.519064

Triangular Pyramid

Length = n
Surface area 2.8846550777705E+15
Volume 6.408016699094E+22
Height 38476040.286796