87291220 (number)

87291220 is an even 8-digits composite number following 87291219 and preceding 87291221. In scientific notation, it is written as 8.7291220 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors. There are 34173216 positive integers (up to 87291220) that are relatively prime to 87291220.

Interesting facts

Basic properties

Name

Name eighty-seven million two hundred ninety-one thousand two hundred twenty

Notation

Scientific notation 8.7291220 × 10^7
Engineering notation 8.7291220 × 10^6

Prime Factorization of 87291220

Prime Factorization 2 × 2 × 235 × 92863

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 43645610
Product of the distinct prime numbers

The prime factorization of 87291220 is 2 × 2 × 235 × 92863. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 8, 35, 51, 861, 286, 7941, 1545, 42258, 6986, 986098, 917785, 3580291, 5744669, 228546, 61497567, 455639349, 694343671, 8673443943, 9562645550

Basic calculations (n = 87291220)

Multiplication

n×y
n×2 174582440
n×3 261873660
n×4 349164880
n×5 436456100

Division

n÷y
n÷2 43645610
n÷3 29097073.333333
n÷3 21822805
n÷5 17458244

Exponentiation

ny
n2 7619757089088400
n3 6.6513789241018E+23
n4 5.8060698096713E+31
n5 5.0681891709137E+39

Nth Root

y√n
2√n 9342.9770416072
3√n 443.59862137995
4√n 96.659076353994
5√n 38.743077264588

Divisors of 87291220

1, 2, 4, 235, 470, 940, 92863, 185726, 371452, 21822805, 43645610, 87291220

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87291219
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87291220 can be divided by 12 positive divisors. The sum of these divisors (counting 87291220) is 1, the average is 0.083333333333333.

Base conversion 87291220

Base System Value
2 Binary 101001100111111010101010100
3 Ternary 20002020212001011
4 Quaternary 11030333111110
5 Quinary 134321304340
6 Senary 12354542004
8 Octal 514772524
10 Decimal 87291220
12 Duodecimal 25297904
16 Hexadecimal 533f554
20 Vigesimal 175b810
36 Base36 1fyyc4

Cryptographic Hash Functions

md5 e5468271e46d5db06b40db2c1eafee66
sha1 f2d25181c9fb38ca6e0bf2366e8130fdf819c408
sha256 41d4544398f97b853a7b939b58309acf4af70da763b4fd912e23ece67307de31
sha512 faaf55bf672ce028f6941a0aadc24751f1aecb963ebb91dce7e60caa32d8f0071582169da34330f52d10c60ebc99b9d7e79532cfa51cc245b30b1c07d9484b83
ripemd-160 80ab5c545eecb983428cfa932bbdb274b48bc0c0

87291220 as geometric shapes

Circle

Radius = n
Diameter 174582440
Circumference 548466910.94978
Area 2.3938172893219E+16

Sphere

Radius = n
Volume 2.78612308856E+24
Surface area 9.5752691572875E+16
Circumference 548466910.94978

Square

Length = n
Perimeter 349164880
Area 7619757089088400
Diagonal 123448427.20009

Cube

Length = n
Surface area 45718542534530400
Volume 6.6513789241018E+23
Space diagonal 151192828.09467

Equilateral Triangle

Length = n
Perimeter 261873660
Area 3.2994516049086E+15
Altitude 75596414.047336

Triangular Pyramid

Length = n
Surface area 3.2994516049086E+15
Volume 7.8387252357894E+22
Height 41149475.733365