68161749 (number)

68161749 is an odd 8-digits composite number following 68161748 and preceding 68161750. In scientific notation, it is written as 6.8161749 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 45441164 positive integers (up to 68161749) that are relatively prime to 68161749.

Interesting facts

Basic properties

Name

Name sixty-eight million one hundred sixty-one thousand seven hundred forty-nine

Notation

Scientific notation 6.8161749 × 10^7
Engineering notation 6.8161749 × 10^6

Prime Factorization of 68161749

Prime Factorization 3 × 22720583

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 68161749
Product of the distinct prime numbers

The prime factorization of 68161749 is 3 × 22720583. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 68161749)

Multiplication

n×y
n×2 136323498
n×3 204485247
n×4 272646996
n×5 340808745

Division

n÷y
n÷2 34080874.5
n÷3 22720583
n÷3 17040437.25
n÷5 13632349.8

Exponentiation

ny
n2 4646024026739001
n3 3.1668112355855E+23
n4 2.1585539257036E+31
n5 1.4713081088677E+39

Nth Root

y√n
2√n 8256.0128996992
3√n 408.48888315972
4√n 90.862604517476
5√n 36.872972130384

Divisors of 68161749

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -68161748
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 68161749 can be divided by 4 positive divisors. The sum of these divisors (counting 68161749) is 1, the average is 0.25.

Base conversion 68161749

Base System Value
2 Binary 100000100000001000011010101
3 Ternary 11202020222100020
4 Quaternary 10010001003111
5 Quinary 114422133444
6 Senary 10432535353
8 Octal 404010325
10 Decimal 68161749
12 Duodecimal 1a9b1559
16 Hexadecimal 41010d5
20 Vigesimal 1160479
36 Base36 14kxxx

Cryptographic Hash Functions

md5 c4a4c7d2dfab42ea072b9a1565642c30
sha1 db1076ed01d0acb3363259da5790a10002997e2b
sha256 208c7321e43f5adf62edbf5b6bcd7e99729ee6a3ca7ab6c7d160c5e869e8b19e
sha512 3b03b0c95f073bffae5c1c8be642ac286495e840a5bc51d57444cbf581cdd5d872bb08083347f7ba1d0beeb6f891298991d1d2c6bafefe0ad70942e22b893401
ripemd-160 ef6a3a65261ac3f546390a4dcf2fde0bc8f90298

68161749 as geometric shapes

Circle

Radius = n
Diameter 136323498
Circumference 428272899.82846
Area 1.4595914950805E+16

Sphere

Radius = n
Volume 1.3265107884028E+24
Surface area 5.838365980322E+16
Circumference 428272899.82846

Square

Length = n
Perimeter 272646996
Area 4646024026739001
Diagonal 96395269.870871

Cube

Length = n
Surface area 27876144160434006
Volume 3.1668112355855E+23
Space diagonal 118059612.40076

Equilateral Triangle

Length = n
Perimeter 204485247
Area 2.0117874168744E+15
Altitude 59029806.200379

Triangular Pyramid

Length = n
Surface area 2.0117874168744E+15
Volume 3.7321228323671E+22
Height 32131756.623624