68640904 (number)

68640904 is an even 8-digits composite number following 68640903 and preceding 68640905. In scientific notation, it is written as 6.8640904 × 10^7. The sum of its digits is 37. It has a total of 4 prime factors and 8 positive divisors. There are 34320448 positive integers (up to 68640904) that are relatively prime to 68640904.

Interesting facts

Basic properties

Name

Name sixty-eight million six hundred forty thousand nine hundred four

Notation

Scientific notation 6.8640904 × 10^7
Engineering notation 6.8640904 × 10^6

Prime Factorization of 68640904

Prime Factorization 2 × 2 × 2 × 8580113

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 17160226
Product of the distinct prime numbers

The prime factorization of 68640904 is 2 × 2 × 2 × 8580113. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 9, 30, 14, 982, 633, 5875, 6116, 72144, 7681, 973685, 441680, 8256941, 8991659, 91981125, 51233217, 208738480, 140109246, 1095491704, 7837022178

Basic calculations (n = 68640904)

Multiplication

n×y
n×2 137281808
n×3 205922712
n×4 274563616
n×5 343204520

Division

n÷y
n÷2 34320452
n÷3 22880301.333333
n÷3 17160226
n÷5 13728180.8

Exponentiation

ny
n2 4711573701937216
n3 3.234066781636E+23
n4 2.2198926748786E+31
n5 1.5237543998665E+39

Nth Root

y√n
2√n 8284.9806276177
3√n 409.44383046369
4√n 91.021868952564
5√n 36.924667980261

Divisors of 68640904

1, 2, 4, 8, 8580113, 17160226, 34320452, 68640904

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 -68640903
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 68640904 can be divided by 8 positive divisors. The sum of these divisors (counting 68640904) is 1, the average is 0.125.

Base conversion 68640904

Base System Value
2 Binary 100000101110110000010001000
3 Ternary 11210011022121201
4 Quaternary 10011312002020
5 Quinary 120033002104
6 Senary 10451113544
8 Octal 405660210
10 Decimal 68640904
12 Duodecimal 1aba28b4
16 Hexadecimal 4176088
20 Vigesimal 1190254
36 Base36 14v7ns

Cryptographic Hash Functions

md5 1bcb919d7d427fc8efde51101fb9fc45
sha1 05ef7e61e2e3f0f06b11d35e87c0ddfec3d4661d
sha256 876370c6aeaa4e89d21c0fd807381453f93c9b1630b0e32df4647e4565c5296d
sha512 41f03f45fc837309612c57ec130fad627646e2cd89863fb4524ee6d294b7bb50b3d2603e5509527657588e974b5cef97f52c558bf0eaed6a481f49a753901645
ripemd-160 7d9eec86f63891c399057858e25a902ba145bdea

68640904 as geometric shapes

Circle

Radius = n
Diameter 137281808
Circumference 431283519.48432
Area 1.4801845328853E+16

Sphere

Radius = n
Volume 1.3546827256542E+24
Surface area 5.9207381315411E+16
Circumference 431283519.48432

Square

Length = n
Perimeter 274563616
Area 4711573701937216
Diagonal 97072897.37035

Cube

Length = n
Surface area 28269442211623296
Volume 3.234066781636E+23
Space diagonal 118889533.20546

Equilateral Triangle

Length = n
Perimeter 205922712
Area 2.0401712588402E+15
Altitude 59444766.602729

Triangular Pyramid

Length = n
Surface area 2.0401712588402E+15
Volume 3.8113842535082E+22
Height 32357632.456783