68455890 (number)

68455890 is an even 8-digits composite number following 68455889 and preceding 68455891. In scientific notation, it is written as 6.8455890 × 10^7. The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors. There are 18254880 positive integers (up to 68455890) that are relatively prime to 68455890.

Interesting facts

Basic properties

Name

Name sixty-eight million four hundred fifty-five thousand eight hundred ninety

Notation

Scientific notation 6.8455890 × 10^7
Engineering notation 6.8455890 × 10^6

Prime Factorization of 68455890

Prime Factorization 2 × 9 × 5 × 760621

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68455890
Product of the distinct prime numbers

The prime factorization of 68455890 is 2 × 9 × 5 × 760621. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 3, 20, 89, 60, 961, 9390, 2992, 6679, 53525, 463177, 551481, 5379047, 2272222, 84267980, 93538611, 272105692, 557436648, 3407052316, 4689750023

Basic calculations (n = 68455890)

Multiplication

n×y
n×2 136911780
n×3 205367670
n×4 273823560
n×5 342279450

Division

n÷y
n÷2 34227945
n÷3 22818630
n÷3 17113972.5
n÷5 13691178

Exponentiation

ny
n2 4686208875692100
n3 3.207985993114E+23
n4 2.1960553626615E+31
n5 1.5033292434027E+39

Nth Root

y√n
2√n 8273.8074669405
3√n 409.0756291936
4√n 90.960472002626
5√n 36.904741209002

Divisors of 68455890

1, 2, 5, 9, 10, 18, 45, 90, 760621, 1521242, 3803105, 6845589, 7606210, 13691178, 34227945, 68455890

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 -68455889
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 68455890 can be divided by 16 positive divisors. The sum of these divisors (counting 68455890) is 1, the average is 0.0625.

Base conversion 68455890

Base System Value
2 Binary 100000101001000110111010010
3 Ternary 11202210220211100
4 Quaternary 10011020313102
5 Quinary 120011042030
6 Senary 10443125230
8 Octal 405106722
10 Decimal 68455890
12 Duodecimal 1ab13816
16 Hexadecimal 4148dd2
20 Vigesimal 117gjea
36 Base36 14r8wi

Cryptographic Hash Functions

md5 018639d79c9fe6d74742e2e6fa81e864
sha1 2e853e57adaec360c7c4480763fcbcf69f60efee
sha256 4cf3cf06232e53002172f08bc41375d7a5a22885c31de4e4c7de8e1421c09ccd
sha512 2a4b50f28dbffaca5ac2beb8d87180561ac2478781e24725432f6c28cce77215ffe546566272738dda5ae18b779739529a040fc7274d64e801f262f61512bf5c
ripemd-160 8d1e8f2a33720b66542a4677bc6ce43ce1c0dc45

68455890 as geometric shapes

Circle

Radius = n
Diameter 136911780
Circumference 430121042.2379
Area 1.4722159377062E+16

Sphere

Radius = n
Volume 1.3437580305048E+24
Surface area 5.8888637508246E+16
Circumference 430121042.2379

Square

Length = n
Perimeter 273823560
Area 4686208875692100
Diagonal 96811248.062321

Cube

Length = n
Surface area 28117253254152600
Volume 3.207985993114E+23
Space diagonal 118569079.55735

Equilateral Triangle

Length = n
Perimeter 205367670
Area 2.0291879668947E+15
Altitude 59284539.778673

Triangular Pyramid

Length = n
Surface area 2.0291879668947E+15
Volume 3.7806477494706E+22
Height 32270416.020774