68638992 (number)

68638992 is an even 8-digits composite number following 68638991 and preceding 68638993. In scientific notation, it is written as 6.8638992 × 10^7. The sum of its digits is 51. It has a total of 8 prime factors and 80 positive divisors. There are 21580416 positive integers (up to 68638992) that are relatively prime to 68638992.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred thirty-eight thousand nine hundred ninety-two

Notation

Scientific notation 6.8638992 × 10^7
Engineering notation 6.8638992 × 10^6

Prime Factorization of 68638992

Prime Factorization 2 × 2 × 2 × 2 × 3 × 23 × 79 × 787

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 8579874
Product of the distinct prime numbers

The prime factorization of 68638992 is 2 × 2 × 2 × 2 × 3 × 23 × 79 × 787. Since it has a total of 8 prime factors.

Most popular turbo-numbers

4, 7, 10, 21, 612, 708, 4565, 4764, 35641, 77245, 541359, 663818, 7408573, 2974544, 69936395, 51626995, 435056632, 215197109, 866775453, 3930545689

Basic calculations (n = 68638992)

Multiplication

n×y
n×2 137277984
n×3 205916976
n×4 274555968
n×5 343194960

Division

n÷y
n÷2 34319496
n÷3 22879664
n÷3 17159748
n÷5 13727798.4

Exponentiation

ny
n2 4711311222776064
n3 3.2337965332964E+23
n4 2.2196453437856E+31
n5 1.5235421899493E+39

Nth Root

y√n
2√n 8284.8652372866
3√n 409.44002872727
4√n 91.021235089877
5√n 36.924462269824

Divisors of 68638992

1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 79, 92, 138, 158, 184, 237, 276, 316, 368, 474, 552, 632, 787, 948, 1104, 1264, 1574, 1817, 1896, 2361, 3148, 3634, 3792, 4722, 5451, 6296, 7268, 9444, 10902, 12592, 14536, 18101, 18888, 21804, 29072, 36202, 37776, 43608, 54303, 62173, 72404, 87216, 108606, 124346, 144808, 186519, 217212, 248692, 289616, 373038, 434424, 497384, 746076, 868848, 994768, 1429979, 1492152, 2859958, 2984304, 4289937, 5719916, 8579874, 11439832, 17159748, 22879664, 34319496, 68638992

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68638991
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68638992 can be divided by 80 positive divisors. The sum of these divisors (counting 68638992) is 1, the average is 0.0125.

Base conversion 68638992

Base System Value
2 Binary 100000101110101100100010000
3 Ternary 11210011012222220
4 Quaternary 10011311210100
5 Quinary 120032421432
6 Senary 10451101040
8 Octal 405654420
10 Decimal 68638992
12 Duodecimal 1aba1780
16 Hexadecimal 4175910
20 Vigesimal 118jh9c
36 Base36 14v66o

Cryptographic Hash Functions

md5 2e3db053f6efafa09dab2e76d84bdb13
sha1 8b6dc7e19b1b6ee7c0078ccaaa1a80cee49f53a8
sha256 96456b62b182baaa4311fb66226f67d3b11b997dec3a43a7ca7433a7c4ea7add
sha512 4b3e132ec459e7fa969723dd05961cfd72e31bf9f0bddabd790c1f9d78fad438f24cc3bc3301db4f1609d074d2e8f3ef270ec65ac61c2f2c5d2a2f27ec307366
ripemd-160 d490e15d99a79c783d58187a13a4e9673d268008

68638992 as geometric shapes

Circle

Radius = n
Diameter 137277984
Circumference 431271506.03402
Area 1.4801020726248E+16

Sphere

Radius = n
Volume 1.3545695242944E+24
Surface area 5.9204082904994E+16
Circumference 431271506.03402

Square

Length = n
Perimeter 274555968
Area 4711311222776064
Diagonal 97070193.394018

Cube

Length = n
Surface area 28267867336656384
Volume 3.2337965332964E+23
Space diagonal 118886221.52431

Equilateral Triangle

Length = n
Perimeter 205916976
Area 2.0400576020294E+15
Altitude 59443110.762157

Triangular Pyramid

Length = n
Surface area 2.0400576020294E+15
Volume 3.8110657627857E+22
Height 32356731.131339