168991621 (number)

168991621 is an odd 9-digits composite number following 168991620 and preceding 168991622. In scientific notation, it is written as 1.68991621 × 10^8. The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors. There are 166469292 positive integers (up to 168991621) that are relatively prime to 168991621.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred ninety-one thousand six hundred twenty-one

Notation

Scientific notation 1.68991621 × 10^8
Engineering notation 1.68991621 × 10^6

Prime Factorization of 168991621

Prime Factorization 67 × 2522263

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 168991621
Product of the distinct prime numbers

The prime factorization of 168991621 is 67 × 2522263. Since it has a total of 2 prime factors.

Most popular turbo-numbers

1, 5, 72, 69, 461, 487, 9482, 3039, 78390, 50775, 329192, 599779, 6655699, 7774014, 32074526, 9118788, 991770980, 799147421, 2861724196, 2143119619

Basic calculations (n = 168991621)

Multiplication

n×y
n×2 337983242
n×3 506974863
n×4 675966484
n×5 844958105

Division

n÷y
n÷2 84495810.5
n÷3 56330540.333333
n÷3 42247905.25
n÷5 33798324.2

Exponentiation

ny
n2 28558167968207641
n3 4.8260910977377E+24
n4 8.1556895770036E+32
n5 1.3782432019906E+41

Nth Root

y√n
2√n 12999.677726775
3√n 552.86834401684
4√n 114.01612923957
5√n 44.215346661444

Divisors of 168991621

1, 67, 2522263, 168991621

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 -168991620
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 168991621 can be divided by 4 positive divisors. The sum of these divisors (counting 168991621) is 1, the average is 0.25.

Base conversion 168991621

Base System Value
2 Binary 1010000100101001101110000101
3 Ternary 102202222122220221
4 Quaternary 22010221232011
5 Quinary 321230212441
6 Senary 24434024341
8 Octal 1204515605
10 Decimal 168991621
12 Duodecimal 487180b1
16 Hexadecimal a129b85
20 Vigesimal 2cg3j11
36 Base36 2sm2rp

Cryptographic Hash Functions

md5 603a5576a01389199ae7ea9758a52267
sha1 091f7ad054fa681f2b84e2832fc98c631384d088
sha256 f6a6224227c50d43da9fe002f947a4864c22a2de1a0b79d4027123a480974672
sha512 53feff236860a27cdc63a4699ec15e70b276cf8e2c3e26528a6eff38872d48ae6e84c6f34bb1067237a0193d36a599ea52c7b470cfb736a90a1ee8e6a115354f
ripemd-160 d901228c400f4cb9167fd5ad888579b7caa53732

168991621 as geometric shapes

Circle

Radius = n
Diameter 337983242
Circumference 1061805670.1037
Area 8.9718130688904E+16

Sphere

Radius = n
Volume 2.021548311761E+25
Surface area 3.5887252275562E+17
Circumference 1061805670.1037

Square

Length = n
Perimeter 675966484
Area 28558167968207641
Diagonal 238990242.34561

Cube

Length = n
Surface area 171349007809245846
Volume 4.8260910977377E+24
Space diagonal 292702073.62542

Equilateral Triangle

Length = n
Perimeter 506974863
Area 1.2366049473005E+16
Altitude 146351036.81271

Triangular Pyramid

Length = n
Surface area 1.2366049473005E+16
Volume 5.6876029030572E+23
Height 79663414.115205