87961421 (number)

87961421 is an odd 8-digits composite number following 87961420 and preceding 87961422. In scientific notation, it is written as 8.7961421 × 10^7. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 87500700 positive integers (up to 87961421) that are relatively prime to 87961421.

Interesting facts

Basic properties

Name

Name eighty-seven million nine hundred sixty-one thousand four hundred twenty-one

Notation

Scientific notation 8.7961421 × 10^7
Engineering notation 8.7961421 × 10^6

Prime Factorization of 87961421

Prime Factorization 191 × 460531

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 87961421
Product of the distinct prime numbers

The prime factorization of 87961421 is 191 × 460531. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 87961421)

Multiplication

n×y
n×2 175922842
n×3 263884263
n×4 351845684
n×5 439807105

Division

n÷y
n÷2 43980710.5
n÷3 29320473.666667
n÷3 21990355.25
n÷5 17592284.2

Exponentiation

ny
n2 7737211584339241
n3 6.8057612553614E+23
n4 5.9864443100833E+31
n5 5.2657614825229E+39

Nth Root

y√n
2√n 9378.7750266226
3√n 444.73100942524
4√n 96.84407584681
5√n 38.802387402097

Divisors of 87961421

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 -87961420
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 87961421 can be divided by 4 positive divisors. The sum of these divisors (counting 87961421) is 1, the average is 0.25.

Base conversion 87961421

Base System Value
2 Binary 101001111100010111101001101
3 Ternary 20010111220101102
4 Quaternary 11033202331031
5 Quinary 140004231141
6 Senary 12421152445
8 Octal 517427515
10 Decimal 87961421
12 Duodecimal 2555b725
16 Hexadecimal 53e2f4d
20 Vigesimal 179f3b1
36 Base36 1gdbgt

Cryptographic Hash Functions

md5 e7c8665705a4973731bae53368c08193
sha1 6d766e79289fea8ee90574e619e7c0ee8efaf599
sha256 b6b75fd9143a059a27331d1fb5bb5c1b82a5a4fb659aecbbec0d629ecfea7907
sha512 3ed66beab496d2d9fa6cb4226867ad7b566f4e709e399aaaaec8fb6b64c5105c16a2f7ceb4a82c39d9a64b49f78fa5e5084b89b2c459b5f955b1913d2acb3ee5
ripemd-160 5405fbc4e6f619aec1ca2a1f50d5869081f59ce4

87961421 as geometric shapes

Circle

Radius = n
Diameter 175922842
Circumference 552677908.02584
Area 2.430716707263E+16

Sphere

Radius = n
Volume 2.8507906082573E+24
Surface area 9.722866829052E+16
Circumference 552677908.02584

Square

Length = n
Perimeter 351845684
Area 7737211584339241
Diagonal 124396234.54381

Cube

Length = n
Surface area 46423269506035446
Volume 6.8057612553614E+23
Space diagonal 152353650.27796

Equilateral Triangle

Length = n
Perimeter 263884263
Area 3.3503108932465E+15
Altitude 76176825.138978

Triangular Pyramid

Length = n
Surface area 3.3503108932465E+15
Volume 8.0206665580045E+22
Height 41465411.514603