168521661 (number)

168521661 is an odd 9-digits composite number following 168521660 and preceding 168521662. In scientific notation, it is written as 1.68521661 × 10^8. The sum of its digits is 36. It has a total of 5 prime factors and 28 positive divisors. There are 87531840 positive integers (up to 168521661) that are relatively prime to 168521661.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million five hundred twenty-one thousand six hundred sixty-one

Notation

Scientific notation 1.68521661 × 10^8
Engineering notation 1.68521661 × 10^6

Prime Factorization of 168521661

Prime Factorization 11 × 3 × 21 × 33 × 7369

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 168521661
Product of the distinct prime numbers

The prime factorization of 168521661 is 11 × 3 × 21 × 33 × 7369. Since it has a total of 5 prime factors.

Most popular turbo-numbers

8, 4, 57, 90, 724, 275, 5370, 8211, 37216, 96129, 275770, 544134, 8338461, 6571340, 66920766, 79066549, 869440732, 680807057, 6686787621, 119145810

Basic calculations (n = 168521661)

Multiplication

n×y
n×2 337043322
n×3 505564983
n×4 674086644
n×5 842608305

Division

n÷y
n÷2 84260830.5
n÷3 56173887
n÷3 42130415.25
n÷5 33704332.2

Exponentiation

ny
n2 28399550226198921
n3 4.785939375772E+24
n4 8.065344530504E+32
n5 1.3591852568178E+41

Nth Root

y√n
2√n 12981.58930948
3√n 552.35536545611
4√n 113.93677768605
5√n 44.190726981946

Divisors of 168521661

1, 3, 11, 21, 33, 63, 99, 231, 363, 693, 1089, 2079, 7369, 7623, 22107, 22869, 81059, 154749, 243177, 464247, 729531, 1702239, 2674947, 5106717, 8024841, 15320151, 56173887, 168521661

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168521660
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168521661 can be divided by 28 positive divisors. The sum of these divisors (counting 168521661) is 1, the average is 0.035714285714286.

Base conversion 168521661

Base System Value
2 Binary 1010000010110110111110111101
3 Ternary 102202002210021000
4 Quaternary 22002312332331
5 Quinary 321120143121
6 Senary 24420000513
8 Octal 1202667675
10 Decimal 168521661
12 Duodecimal 48530139
16 Hexadecimal a0b6fbd
20 Vigesimal 2cd5431
36 Base36 2sc059

Cryptographic Hash Functions

md5 ea5a6297023c7fa403cb2353f0daef2b
sha1 2fe125e77f8d01f9f41a82a2b1631e49fd1eb275
sha256 ffaf005f81091e6ee79d97efc6c530e92a56e620cf3b76b3bf5361be8429f101
sha512 145eaac49f7ff12a710439af65b159f4e3b4c7564a6b2621d43c730da1b550d37238b84e07955913c170117a346db2703d33f58a1d2b4ed899dcd29c4a926f3b
ripemd-160 6ecdaf7e0e121c40a034cac39eed1dd5b3c7d673

168521661 as geometric shapes

Circle

Radius = n
Diameter 337043322
Circumference 1058852824.3367
Area 8.9219818355881E+16

Sphere

Radius = n
Volume 2.0047295977935E+25
Surface area 3.5687927342352E+17
Circumference 1058852824.3367

Square

Length = n
Perimeter 674086644
Area 28399550226198921
Diagonal 238325618.53984

Cube

Length = n
Surface area 170397301357193526
Volume 4.785939375772E+24
Space diagonal 291888079.0279

Equilateral Triangle

Length = n
Perimeter 505564983
Area 1.229736597597E+16
Altitude 145944039.51395

Triangular Pyramid

Length = n
Surface area 1.229736597597E+16
Volume 5.6402836449268E+23
Height 79441872.846614