68909521 (number)

68909521 is an odd 8-digits composite number following 68909520 and preceding 68909522. In scientific notation, it is written as 6.8909521 × 10^7. The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors. There are 66960432 positive integers (up to 68909521) that are relatively prime to 68909521.

Interesting facts

Basic properties

Name

Name sixty-eight million nine hundred nine thousand five hundred twenty-one

Notation

Scientific notation 6.8909521 × 10^7
Engineering notation 6.8909521 × 10^6

Prime Factorization of 68909521

Prime Factorization 43 × 199 × 8053

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 68909521
Product of the distinct prime numbers

The prime factorization of 68909521 is 43 × 199 × 8053. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68909521)

Multiplication

n×y
n×2 137819042
n×3 206728563
n×4 275638084
n×5 344547605

Division

n÷y
n÷2 34454760.5
n÷3 22969840.333333
n÷3 17227380.25
n÷5 13781904.2

Exponentiation

ny
n2 4748522084449441
n3 3.2721838229733E+23
n4 2.2548461986504E+31
n5 1.5538037147767E+39

Nth Root

y√n
2√n 8301.1758805605
3√n 409.97723649148
4√n 91.110789045867
5√n 36.953522797963

Divisors of 68909521

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 -68909520
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 68909521 can be divided by 8 positive divisors. The sum of these divisors (counting 68909521) is 1, the average is 0.125.

Base conversion 68909521

Base System Value
2 Binary 100000110110111100111010001
3 Ternary 11210122222002111
4 Quaternary 10012313213101
5 Quinary 120120101041
6 Senary 10500545321
8 Octal 406674721
10 Decimal 68909521
12 Duodecimal 1b0b2241
16 Hexadecimal 41b79d1
20 Vigesimal 11addg1
36 Base36 150yxd

Cryptographic Hash Functions

md5 d59fee5ce815a763965363f55ba20f83
sha1 14369f01bda1865c80800be153f20659456fff57
sha256 f307bded513d0238981b9c157b657302e9a502e5b4edf92de3e31e2d4c01f392
sha512 f52cb93d58b4989f28114cdf180e087af6cc6e0b000ec3bcc564cdd4126f4eb3967880d18866333b12a21a3e8b779ae736eab8064407ba32cff2fc6c382f0bf0
ripemd-160 836bf7faa586077b2be15cdb0124d0e098d8c0a5

68909521 as geometric shapes

Circle

Radius = n
Diameter 137819042
Circumference 432971289.87198
Area 1.4917922095915E+16

Sphere

Radius = n
Volume 1.3706491545931E+24
Surface area 5.9671688383661E+16
Circumference 432971289.87198

Square

Length = n
Perimeter 275638084
Area 4748522084449441
Diagonal 97452779.174834

Cube

Length = n
Surface area 28491132506696646
Volume 3.2721838229733E+23
Space diagonal 119354791.49723

Equilateral Triangle

Length = n
Perimeter 206728563
Area 2.0561703777823E+15
Altitude 59677395.748617

Triangular Pyramid

Length = n
Surface area 2.0561703777823E+15
Volume 3.8563056175223E+22
Height 32484259.724945