87491421 (number)

87491421 is an odd 8-digits composite number following 87491420 and preceding 87491422. In scientific notation, it is written as 8.7491421 × 10^7. The sum of its digits is 36. It has a total of 5 prime factors and 24 positive divisors. There are 56535408 positive integers (up to 87491421) that are relatively prime to 87491421.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 8.7491421 × 10^7
Engineering notation 8.7491421 × 10^6

Prime Factorization of 87491421

Prime Factorization 27 × 3 × 3 × 9731 × 37

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 29163807
Product of the distinct prime numbers

The prime factorization of 87491421 is 27 × 3 × 3 × 9731 × 37. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 3, 14, 24, 152, 134, 2028, 3845, 93465, 37697, 93835, 782397, 3874275, 4411767, 60065436, 84866757, 372746711, 278123142, 768508154, 8441962256

Basic calculations (n = 87491421)

Multiplication

n×y
n×2 174982842
n×3 262474263
n×4 349965684
n×5 437457105

Division

n÷y
n÷2 43745710.5
n÷3 29163807
n÷3 21872855.25
n÷5 17498284.2

Exponentiation

ny
n2 7654748748599241
n3 6.6972484541292E+23
n4 5.8595178404182E+31
n5 5.1265754223304E+39

Nth Root

y√n
2√n 9353.6848888553
3√n 443.93749120007
4√n 96.714450258766
5√n 38.760832307795

Divisors of 87491421

1, 3, 9, 27, 37, 81, 111, 243, 333, 999, 2997, 8991, 9731, 29193, 87579, 262737, 360047, 788211, 1080141, 2364633, 3240423, 9721269, 29163807, 87491421

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -87491420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 87491421 can be divided by 24 positive divisors. The sum of these divisors (counting 87491421) is 1, the average is 0.041666666666667.

Base conversion 87491421

Base System Value
2 Binary 101001101110000001101011101
3 Ternary 20002122000200000
4 Quaternary 11031300031131
5 Quinary 134344211141
6 Senary 12403124513
8 Octal 515601535
10 Decimal 87491421
12 Duodecimal 25373739
16 Hexadecimal 537035d
20 Vigesimal 176g8b1
36 Base36 1g38t9

Cryptographic Hash Functions

md5 e280f829ac39b7c94c908537a5abb114
sha1 8359a7b805bb70465aaacce514ad84e54a499b49
sha256 79ac48d399e31c37069b10e25afa0322b80aab45c30062b37e104692489920b2
sha512 5c589529a8d9d863ab2a7236b49a0ba7a639473fc8d5505cfc1c644fb1e65e7932c9ab3899e861309d5f28cf7f5fc6100f7d08b9ea5b7d0235e0757576d18306
ripemd-160 76873fcb9a742ddec12ccd41d822df39212f2ea8

87491421 as geometric shapes

Circle

Radius = n
Diameter 174982842
Circumference 549724810.93146
Area 2.4048102433675E+16

Sphere

Radius = n
Volume 2.8053368723677E+24
Surface area 9.61924097347E+16
Circumference 549724810.93146

Square

Length = n
Perimeter 349965684
Area 7654748748599241
Diagonal 123731554.16949

Cube

Length = n
Surface area 45928492491595446
Volume 6.6972484541292E+23
Space diagonal 151539586.3984

Equilateral Triangle

Length = n
Perimeter 262474263
Area 3.314603437937E+15
Altitude 75769793.199199

Triangular Pyramid

Length = n
Surface area 3.314603437937E+15
Volume 7.8927829953431E+22
Height 41243851.389831