168981568 (number)

168981568 is an even 9-digits composite number following 168981567 and preceding 168981569. In scientific notation, it is written as 1.68981568 × 10^8. The sum of its digits is 52. It has a total of 9 prime factors and 56 positive divisors. There are 71414784 positive integers (up to 168981568) that are relatively prime to 168981568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.68981568 × 10^8
Engineering notation 1.68981568 × 10^6

Prime Factorization of 168981568

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 7 × 73 × 5167

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 9
Total number of prime factors
rad Radical 5280674
Product of the distinct prime numbers

The prime factorization of 168981568 is 2 × 2 × 2 × 2 × 2 × 2 × 7 × 73 × 5167. Since it has a total of 9 prime factors.

Most popular turbo-numbers

2, 3, 63, 34, 454, 727, 7085, 1941, 23219, 35590, 390859, 42262, 6727619, 4930537, 52905530, 53990246, 902414201, 523353643, 4542896524, 5709121382

Basic calculations (n = 168981568)

Multiplication

n×y
n×2 337963136
n×3 506944704
n×4 675926272
n×5 844907840

Division

n÷y
n÷2 84490784
n÷3 56327189.333333
n÷3 42245392
n÷5 33796313.6

Exponentiation

ny
n2 28554770323738624
n3 4.8252298631852E+24
n4 8.1537490824146E+32
n5 1.377833305025E+41

Nth Root

y√n
2√n 12999.291057592
3√n 552.85738075992
4√n 114.01443354941
5√n 44.214820591034

Divisors of 168981568

1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 73, 112, 146, 224, 292, 448, 511, 584, 1022, 1168, 2044, 2336, 4088, 4672, 5167, 8176, 10334, 16352, 20668, 32704, 36169, 41336, 72338, 82672, 144676, 165344, 289352, 330688, 377191, 578704, 754382, 1157408, 1508764, 2314816, 2640337, 3017528, 5280674, 6035056, 10561348, 12070112, 21122696, 24140224, 42245392, 84490784, 168981568

56 divisors

τ Total Divisors 56
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168981567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.017857142857143
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 56
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168981568 can be divided by 56 positive divisors. The sum of these divisors (counting 168981568) is 1, the average is 0.017857142857143.

Base conversion 168981568

Base System Value
2 Binary 1010000100100111010001000000
3 Ternary 102202222011010121
4 Quaternary 22010213101000
5 Quinary 321224402233
6 Senary 24433510024
8 Octal 1204472100
10 Decimal 168981568
12 Duodecimal 48712314
16 Hexadecimal a127440
20 Vigesimal 2cg2di8
36 Base36 2slv0g

Cryptographic Hash Functions

md5 7c5fc69edfb39a68617d3132e84a11a5
sha1 d6cee62887efe9b402dc1d77edf9666a34c5335a
sha256 f1413c0a3d5853dfab9b7796fa7c50a0b5b401f3d8a2840f51e08c932eb7144e
sha512 5ec7388f6d5760e0f26c247fc7cf72872508d004b077fe9a8f81455918d435dbc058d5df96fde05efb8165e71b1e582a26c0a0c459eb5ce469045fb3f50c51a6
ripemd-160 2379b924b1b5f31dd481571f20c4da8c419811fd

168981568 as geometric shapes

Circle

Radius = n
Diameter 337963136
Circumference 1061742505.2418
Area 8.9707456674001E+16

Sphere

Radius = n
Volume 2.0211875586753E+25
Surface area 3.58829826696E+17
Circumference 1061742505.2418

Square

Length = n
Perimeter 675926272
Area 28554770323738624
Diagonal 238976025.25667

Cube

Length = n
Surface area 171328621942431744
Volume 4.8252298631852E+24
Space diagonal 292684661.31866

Equilateral Triangle

Length = n
Perimeter 506944704
Area 1.2364578249794E+16
Altitude 146342330.65933

Triangular Pyramid

Length = n
Surface area 1.2364578249794E+16
Volume 5.6865879284035E+23
Height 79658675.085557