168661640 (number)

168661640 is an even 9-digits composite number following 168661639 and preceding 168661641. In scientific notation, it is written as 1.68661640 × 10^8. The sum of its digits is 38. It has a total of 7 prime factors and 64 positive divisors. There are 57657600 positive integers (up to 168661640) that are relatively prime to 168661640.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million six hundred sixty-one thousand six hundred forty

Notation

Scientific notation 1.68661640 × 10^8
Engineering notation 1.68661640 × 10^6

Prime Factorization of 168661640

Prime Factorization 2 × 2 × 2 × 5 × 7 × 1301 × 463

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 42165410
Product of the distinct prime numbers

The prime factorization of 168661640 is 2 × 2 × 2 × 5 × 7 × 1301 × 463. Since it has a total of 7 prime factors.

Most popular turbo-numbers

3, 2, 83, 17, 293, 487, 780, 192, 95946, 76761, 234336, 886491, 5721375, 8006729, 54448103, 54817781, 907766267, 489770005, 4203579527, 7233199561

Basic calculations (n = 168661640)

Multiplication

n×y
n×2 337323280
n×3 505984920
n×4 674646560
n×5 843308200

Division

n÷y
n÷2 84330820
n÷3 56220546.666667
n÷3 42165410
n÷5 33732328

Exponentiation

ny
n2 28446748807489600
n3 4.7978753065392E+24
n4 8.0921751771641E+32
n5 1.3648395365478E+41

Nth Root

y√n
2√n 12986.979633464
3√n 552.50825728328
4√n 113.96043012144
5√n 44.198065765015

Divisors of 168661640

1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 463, 926, 1301, 1852, 2315, 2602, 3241, 3704, 4630, 5204, 6482, 6505, 9107, 9260, 10408, 12964, 13010, 16205, 18214, 18520, 25928, 26020, 32410, 36428, 45535, 52040, 64820, 72856, 91070, 129640, 182140, 364280, 602363, 1204726, 2409452, 3011815, 4216541, 4818904, 6023630, 8433082, 12047260, 16866164, 21082705, 24094520, 33732328, 42165410, 84330820, 168661640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168661639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168661640 can be divided by 64 positive divisors. The sum of these divisors (counting 168661640) is 1, the average is 0.015625.

Base conversion 168661640

Base System Value
2 Binary 1010000011011001001010001000
3 Ternary 102202100220021102
4 Quaternary 22003121022020
5 Quinary 321134133030
6 Senary 24423000532
8 Octal 1203311210
10 Decimal 168661640
12 Duodecimal 48599148
16 Hexadecimal a0d9288
20 Vigesimal 2ce2e20
36 Base36 2sf05k

Cryptographic Hash Functions

md5 459ede0d723b708303e3ea570e54d675
sha1 1a363dc5431a9930c7621e7ffb4358fb38de29ae
sha256 ce2cbdd5f48db089efcebd33b4aec82d1924a1eb09d268b31cc28f9066f21c17
sha512 cd76ab7cc66e3cd1099d66d9ac2b9b2b2f6a16f8c45949447cc14f59a89d5735e94451b9e38dfa1a079f35646cd30e99358958a0938c90117357a1b1946755e9
ripemd-160 c3f5abf777dee250182f982ac2900b5ab7d529aa

168661640 as geometric shapes

Circle

Radius = n
Diameter 337323280
Circumference 1059732338.3328
Area 8.9368097072124E+16

Sphere

Radius = n
Volume 2.0097293087818E+25
Surface area 3.5747238828849E+17
Circumference 1059732338.3328

Square

Length = n
Perimeter 674646560
Area 28446748807489600
Diagonal 238523578.74009

Cube

Length = n
Surface area 170680492844937600
Volume 4.7978753065392E+24
Space diagonal 292130529.76789

Equilateral Triangle

Length = n
Perimeter 505984920
Area 1.231780356118E+16
Altitude 146065264.88395

Triangular Pyramid

Length = n
Surface area 1.231780356118E+16
Volume 5.6543502742356E+23
Height 79507859.58003