168397905 (number)

168397905 is an odd 9-digits composite number following 168397904 and preceding 168397906. In scientific notation, it is written as 1.68397905 × 10^8. The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors. There are 82621440 positive integers (up to 168397905) that are relatively prime to 168397905.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million three hundred ninety-seven thousand nine hundred five

Notation

Scientific notation 1.68397905 × 10^8
Engineering notation 1.68397905 × 10^6

Prime Factorization of 168397905

Prime Factorization 3 × 5 × 13 × 331 × 2609

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 168397905
Product of the distinct prime numbers

The prime factorization of 168397905 is 3 × 5 × 13 × 331 × 2609. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 168397905)

Multiplication

n×y
n×2 336795810
n×3 505193715
n×4 673591620
n×5 841989525

Division

n÷y
n÷2 84198952.5
n÷3 56132635
n÷3 42099476.25
n÷5 33679581

Exponentiation

ny
n2 28357854408389025
n3 4.7754032726677E+24
n4 8.0416790664739E+32
n5 1.3542019074766E+41

Nth Root

y√n
2√n 12976.821837415
3√n 552.22012264312
4√n 113.91585419692
5√n 44.184234671418

Divisors of 168397905

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168397904
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168397905 can be divided by 32 positive divisors. The sum of these divisors (counting 168397905) is 1, the average is 0.03125.

Base conversion 168397905

Base System Value
2 Binary 1010000010011000110001010001
3 Ternary 102201212111111110
4 Quaternary 22002120301101
5 Quinary 321102213110
6 Senary 24413203533
8 Octal 1202306121
10 Decimal 168397905
12 Duodecimal 484905a9
16 Hexadecimal a098c51
20 Vigesimal 2cc9ef5
36 Base36 2s9cnl

Cryptographic Hash Functions

md5 bd16adb113ffab917fcbdc7a0538754c
sha1 3431f34e23326bd8662f2220da8f9046d7385d04
sha256 caf4710bb0a110e25f515845c4e3eb7ab86eec0fea8c26bd9d3e6ca4d38c98dd
sha512 a802e5b124802989795fbf51d924b3a17c9e3c8a5077d1e0f0f98e39f3060a85f3fc0402cf499608db043806f423d69027be222f48ba417fb00d390a5a345a6c
ripemd-160 ce836a940ec45f1b5a778b38fd0fe7aa772e3d55

168397905 as geometric shapes

Circle

Radius = n
Diameter 336795810
Circumference 1058075242.4558
Area 8.9088827080964E+16

Sphere

Radius = n
Volume 2.0003162452455E+25
Surface area 3.5635530832386E+17
Circumference 1058075242.4558

Square

Length = n
Perimeter 673591620
Area 28357854408389025
Diagonal 238150601.12622

Cube

Length = n
Surface area 170147126450334150
Volume 4.7754032726677E+24
Space diagonal 291673727.34816

Equilateral Triangle

Length = n
Perimeter 505193715
Area 1.2279311157243E+16
Altitude 145836863.67408

Triangular Pyramid

Length = n
Surface area 1.2279311157243E+16
Volume 5.6278667283396E+23
Height 79383533.708739