168981321 (number)

168981321 is an odd 9-digits composite number following 168981320 and preceding 168981322. In scientific notation, it is written as 1.68981321 × 10^8. The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors. There are 112654212 positive integers (up to 168981321) that are relatively prime to 168981321.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred eighty-one thousand three hundred twenty-one

Notation

Scientific notation 1.68981321 × 10^8
Engineering notation 1.68981321 × 10^6

Prime Factorization of 168981321

Prime Factorization 3 × 56327107

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168981321
Product of the distinct prime numbers

The prime factorization of 168981321 is 3 × 56327107. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 4, 79, 66, 549, 224, 1722, 176, 53107, 66536, 722107, 504321, 1915832, 6637837, 50403230, 15600570, 147829696, 79439269, 1076781679, 4389175910

Basic calculations (n = 168981321)

Multiplication

n×y
n×2 337962642
n×3 506943963
n×4 675925284
n×5 844906605

Division

n÷y
n÷2 84490660.5
n÷3 56327107
n÷3 42245330.25
n÷5 33796264.2

Exponentiation

ny
n2 28554686846905041
n3 4.8252087041313E+24
n4 8.1537014092481E+32
n5 1.3778232351743E+41

Nth Root

y√n
2√n 12999.281557071
3√n 552.85711138963
4√n 114.01439188572
5√n 44.214807665284

Divisors of 168981321

1, 3, 56327107, 168981321

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 -168981320
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 168981321 can be divided by 4 positive divisors. The sum of these divisors (counting 168981321) is 1, the average is 0.25.

Base conversion 168981321

Base System Value
2 Binary 1010000100100111001101001001
3 Ternary 102202222010210110
4 Quaternary 22010213031021
5 Quinary 321224400241
6 Senary 24433504533
8 Octal 1204471511
10 Decimal 168981321
12 Duodecimal 48712149
16 Hexadecimal a127349
20 Vigesimal 2cg2d61
36 Base36 2slutl

Cryptographic Hash Functions

md5 fea7a56c591ff5f563159348b4100944
sha1 dd051c42903762637fb736b310af1359d9ac45bb
sha256 399ea54f12842c0a99a1bb266252b3d008f929cccd89d86192a07a8b803f4949
sha512 112f1c088f02e5df5a927ef0dd0f12b832f02598adf1848059847070c2f9ab924b6c917456ccdccf44534de3d45bd7896d6f19c3f7dc6f5db8a1e42e0f946693
ripemd-160 03f7c55a6aae4d7f63e0f67e0a2f9c6810c979f8

168981321 as geometric shapes

Circle

Radius = n
Diameter 337962642
Circumference 1061740953.295
Area 8.9707194423794E+16

Sphere

Radius = n
Volume 2.0211786955915E+25
Surface area 3.5882877769518E+17
Circumference 1061740953.295

Square

Length = n
Perimeter 675925284
Area 28554686846905041
Diagonal 238975675.94592

Cube

Length = n
Surface area 171328121081430246
Volume 4.8252087041313E+24
Space diagonal 292684233.50211

Equilateral Triangle

Length = n
Perimeter 506943963
Area 1.2364542103265E+16
Altitude 146342116.75105

Triangular Pyramid

Length = n
Surface area 1.2364542103265E+16
Volume 5.6865629922194E+23
Height 79658558.648641