168987091 (number)

168987091 is an odd 9-digits composite number following 168987090 and preceding 168987092. In scientific notation, it is written as 1.68987091 × 10^8. The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors. There are 133704000 positive integers (up to 168987091) that are relatively prime to 168987091.

Interesting facts

Basic properties

Name

Name one hundred sixty-eight million nine hundred eighty-seven thousand ninety-one

Notation

Scientific notation 1.68987091 × 10^8
Engineering notation 1.68987091 × 10^6

Prime Factorization of 168987091

Prime Factorization 7 × 13 × 1857001

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 168987091
Product of the distinct prime numbers

The prime factorization of 168987091 is 7 × 13 × 1857001. Since it has a total of 3 prime factors.

Most popular turbo-numbers

10, 4, 67, 62, 868, 433, 7456, 6462, 51783, 83522, 690857, 929946, 3379518, 5644538, 63593225, 36288950, 885614585, 115388637, 2153648314, 74283256

Basic calculations (n = 168987091)

Multiplication

n×y
n×2 337974182
n×3 506961273
n×4 675948364
n×5 844935455

Division

n÷y
n÷2 84493545.5
n÷3 56329030.333333
n÷3 42246772.75
n÷5 33797418.2

Exponentiation

ny
n2 28556636924642281
n3 4.8257030026385E+24
n4 8.1548151244584E+32
n5 1.378058485525E+41

Nth Root

y√n
2√n 12999.503490518
3√n 552.86340389819
4√n 114.01536515101
5√n 44.215109611031

Divisors of 168987091

1, 7, 13, 91, 1857001, 12999007, 24141013, 168987091

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -168987090
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 168987091 can be divided by 8 positive divisors. The sum of these divisors (counting 168987091) is 1, the average is 0.125.

Base conversion 168987091

Base System Value
2 Binary 1010000100101000100111010011
3 Ternary 102202222102201011
4 Quaternary 22010220213103
5 Quinary 321230041331
6 Senary 24433551351
8 Octal 1204504723
10 Decimal 168987091
12 Duodecimal 48715557
16 Hexadecimal a1289d3
20 Vigesimal 2cg37eb
36 Base36 2slz9v

Cryptographic Hash Functions

md5 73199735647f7f4c339c889634266b60
sha1 1b54139d8772d04e4a8439cd8256beacdb15b386
sha256 db51061a062a74c445079d82bf38045ab9e6d427f39c720aa80a4fffb260ee72
sha512 267ab246056939ac6b428f825880bb1d9198d66475dcc7e337fdfeb8928b28b12e1327fc5b3127099194bf5c73abf8e0cfdac805d6e0847762c3279c6815bcd0
ripemd-160 76ec7becefe89028bff67c5aff99c7c7e873ddc0

168987091 as geometric shapes

Circle

Radius = n
Diameter 337974182
Circumference 1061777207.2742
Area 8.9713320773687E+16

Sphere

Radius = n
Volume 2.021385746866E+25
Surface area 3.5885328309475E+17
Circumference 1061777207.2742

Square

Length = n
Perimeter 675948364
Area 28556636924642281
Diagonal 238983835.95818

Cube

Length = n
Surface area 171339821547853686
Volume 4.8257030026385E+24
Space diagonal 292694227.43527

Equilateral Triangle

Length = n
Perimeter 506961273
Area 1.2365386511694E+16
Altitude 146347113.71763

Triangular Pyramid

Length = n
Surface area 1.2365386511694E+16
Volume 5.6871455285966E+23
Height 79661278.652725