67686921 (number)

67686921 is an odd 8-digits composite number following 67686920 and preceding 67686922. In scientific notation, it is written as 6.7686921 × 10^7. The sum of its digits is 45. It has a total of 5 prime factors and 14 positive divisors. There are 45124128 positive integers (up to 67686921) that are relatively prime to 67686921.

Interesting facts

Basic properties

Name

Name sixty-seven million six hundred eighty-six thousand nine hundred twenty-one

Notation

Scientific notation 6.7686921 × 10^7
Engineering notation 6.7686921 × 10^6

Prime Factorization of 67686921

Prime Factorization 9 × 3 × 9 × 3 × 92849

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 2506923
Product of the distinct prime numbers

The prime factorization of 67686921 is 9 × 3 × 9 × 3 × 92849. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 67686921)

Multiplication

n×y
n×2 135373842
n×3 203060763
n×4 270747684
n×5 338434605

Division

n÷y
n÷2 33843460.5
n÷3 22562307
n÷3 16921730.25
n÷5 13537384.2

Exponentiation

ny
n2 4581519274460241
n3 3.1010893319037E+23
n4 2.0990318862251E+31
n5 1.420770054594E+39

Nth Root

y√n
2√n 8227.2061478974
3√n 407.5381343614
4√n 90.703947807675
5√n 36.821455520773

Divisors of 67686921

14 divisors

τ Total Divisors 14
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -67686920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.071428571428571
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 14
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 67686921 can be divided by 14 positive divisors. The sum of these divisors (counting 67686921) is 1, the average is 0.071428571428571.

Base conversion 67686921

Base System Value
2 Binary 100000010001101001000001001
3 Ternary 11201100212000000
4 Quaternary 10002031020021
5 Quinary 114311440141
6 Senary 10414433213
8 Octal 402151011
10 Decimal 67686921
12 Duodecimal 1a802809
16 Hexadecimal 408d209
20 Vigesimal 1130h61
36 Base36 14ark9

Cryptographic Hash Functions

md5 08a908de3eb1d440b8c57570f51bde34
sha1 cc6b9e32dfa191e70a72aa98082509c0dcdc0147
sha256 5886c4df22a02d24186af54b883c5ca5bffe4514df6ef6a0d4d001cc9cbde72a
sha512 9781da7f86970019db542bd354a4d62c515960600351255cb207237d7565ec6148fdca5f2e4374be166cd2d12f5755ee1fb637197f0b93da8fe5232e89f60e1f
ripemd-160 a900dcc5a25343a25f6f9307bbece8ff704dc0a1

67686921 as geometric shapes

Circle

Radius = n
Diameter 135373842
Circumference 425289467.51543
Area 1.4393267294924E+16

Sphere

Radius = n
Volume 1.2989812617646E+24
Surface area 5.7573069179697E+16
Circumference 425289467.51543

Square

Length = n
Perimeter 270747684
Area 4581519274460241
Diagonal 95723761.673476

Cube

Length = n
Surface area 27489115646761446
Volume 3.1010893319037E+23
Space diagonal 117237186.1799

Equilateral Triangle

Length = n
Perimeter 203060763
Area 1.9838560398053E+15
Altitude 58618593.08995

Triangular Pyramid

Length = n
Surface area 1.9838560398053E+15
Volume 3.6546688260906E+22
Height 31907920.557825