816615990 (number)

816615990 is an even 9-digits composite number following 816615989 and preceding 816615991. In scientific notation, it is written as 8.16615990 × 10^8. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 217764240 positive integers (up to 816615990) that are relatively prime to 816615990.

Interesting facts

Basic properties

Name

Name eight hundred sixteen million six hundred fifteen thousand nine hundred ninety

Notation

Scientific notation 8.16615990 × 10^8
Engineering notation 8.16615990 × 10^6

Prime Factorization of 816615990

Prime Factorization 2 × 3 × 15 × 9073511

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 816615990
Product of the distinct prime numbers

The prime factorization of 816615990 is 2 × 3 × 15 × 9073511. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 1, 16, 58, 399, 303, 8096, 708, 78096, 90613, 499339, 23628, 8503378, 4111492, 42432852, 15687307, 47918363, 907918925, 1599920192, 2707912574

Basic calculations (n = 816615990)

Multiplication

n×y
n×2 1633231980
n×3 2449847970
n×4 3266463960
n×5 4083079950

Division

n÷y
n÷2 408307995
n÷3 272205330
n÷3 204153997.5
n÷5 163323198

Exponentiation

ny
n2 666861675123680100
n3 5.4456990702418E+26
n4 4.4470449374876E+35
n5 3.6315280042009E+44

Nth Root

y√n
2√n 28576.493661749
3√n 934.70082605169
4√n 169.04583302096
5√n 60.590366001833

Divisors of 816615990

1, 2, 3, 6, 15, 30, 45, 90, 9073511, 18147022, 27220533, 54441066, 136102665, 272205330, 408307995, 816615990

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -816615989
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 816615990 can be divided by 16 positive divisors. The sum of these divisors (counting 816615990) is 1, the average is 0.0625.

Base conversion 816615990

Base System Value
2 Binary 110000101011001001001000110110
3 Ternary 2002220121101112200
4 Quaternary 300223021020312
5 Quinary 3133023202430
6 Senary 213010525330
8 Octal 6053111066
10 Decimal 816615990
12 Duodecimal 1a9596846
16 Hexadecimal 30ac9236
20 Vigesimal cf3gjja
36 Base36 di6wxi

Cryptographic Hash Functions

md5 e850666e4d14be0869fe145fd2b44232
sha1 75d5eadde8952550f9f34ad76dc8b068f9de092c
sha256 585a2b30d0f3135e53f04752dc43d2c7d13961e4d36c68d5f1cdc137a8369945
sha512 a32b101bedba14dfeb3a6fc0f0e5076b8e1fcc4615faf48db6e848f55f943d6e5178361b5c3d6f8d7737aecbb19dcd28656368bca5e72aa59fddc94a0dea39e2
ripemd-160 0b840cc88653b1926b6f671caf3236571f6cd874

816615990 as geometric shapes

Circle

Radius = n
Diameter 1633231980
Circumference 5130949589.9759
Area 2.0950077395291E+18

Sphere

Radius = n
Volume 2.2810890923643E+27
Surface area 8.3800309581165E+18
Circumference 5130949589.9759

Square

Length = n
Perimeter 3266463960
Area 666861675123680100
Diagonal 1154869408.3087

Cube

Length = n
Surface area 4001170050742080600
Volume 5.4456990702418E+26
Space diagonal 1414420384.9532

Equilateral Triangle

Length = n
Perimeter 2449847970
Area 2.8875957573368E+17
Altitude 707210192.47658

Triangular Pyramid

Length = n
Surface area 2.8875957573368E+17
Volume 6.4178179014488E+25
Height 384956469.43624