68157021 (number)

68157021 is an odd 8-digits composite number following 68157020 and preceding 68157022. In scientific notation, it is written as 6.8157021 × 10^7. The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors. There are 44074800 positive integers (up to 68157021) that are relatively prime to 68157021.

Interesting facts

Basic properties

Name

Name sixty-eight million one hundred fifty-seven thousand twenty-one

Notation

Scientific notation 6.8157021 × 10^7
Engineering notation 6.8157021 × 10^6

Prime Factorization of 68157021

Prime Factorization 3 × 43 × 151 × 3499

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 68157021
Product of the distinct prime numbers

The prime factorization of 68157021 is 3 × 43 × 151 × 3499. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 79, 57, 397, 611, 1742, 7909, 11318, 39998, 13469, 947790, 1740483, 7099343, 70059901, 78030369, 556435012, 679549357, 9897689206, 5008317787

Basic calculations (n = 68157021)

Multiplication

n×y
n×2 136314042
n×3 204471063
n×4 272628084
n×5 340785105

Division

n÷y
n÷2 34078510.5
n÷3 22719007
n÷3 17039255.25
n÷5 13631404.2

Exponentiation

ny
n2 4645379511594441
n3 3.1661522892471E+23
n4 2.1579550806741E+31
n5 1.4707978975056E+39

Nth Root

y√n
2√n 8255.7265579717
3√n 408.47943807688
4√n 90.861028818585
5√n 36.872460581745

Divisors of 68157021

1, 3, 43, 129, 151, 453, 3499, 6493, 10497, 19479, 150457, 451371, 528349, 1585047, 22719007, 68157021

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 -68157020
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 68157021 can be divided by 16 positive divisors. The sum of these divisors (counting 68157021) is 1, the average is 0.0625.

Base conversion 68157021

Base System Value
2 Binary 100000011111111111001011101
3 Ternary 11202020201212010
4 Quaternary 10003333321131
5 Quinary 114422011041
6 Senary 10432501433
8 Octal 403777135
10 Decimal 68157021
12 Duodecimal 1a9aa879
16 Hexadecimal 40ffe5d
20 Vigesimal 115jcb1
36 Base36 14kual

Cryptographic Hash Functions

md5 9aba1e8e25550e6b4258a0e580c54536
sha1 1fa0e17e0860e6146f9cb63fa5a61b20da0e9d90
sha256 a2998d2c53dff833d24748fd12ad1b874c2fab4446e0ab4cff1a377056273b56
sha512 2ce47296db96a43e27cbc1a21038d608fd0a2eee6c8a755ca31b44602abd015290a324ffc80be8419ccdaf5726e110f96b2d625c5d1d352f3542ccebb3f3e717
ripemd-160 9b8e820c509fb6ee3f2d244b18ebe5d800070eea

68157021 as geometric shapes

Circle

Radius = n
Diameter 136314042
Circumference 428243192.92833
Area 1.4593890146762E+16

Sphere

Radius = n
Volume 1.326234769606E+24
Surface area 5.8375560587047E+16
Circumference 428243192.92833

Square

Length = n
Perimeter 272628084
Area 4645379511594441
Diagonal 96388583.469148

Cube

Length = n
Surface area 27872277069566646
Volume 3.1661522892471E+23
Space diagonal 118051423.26454

Equilateral Triangle

Length = n
Perimeter 204471063
Area 2.0115083336303E+15
Altitude 59025711.632269

Triangular Pyramid

Length = n
Surface area 2.0115083336303E+15
Volume 3.7313462566599E+22
Height 32129527.823049