71087921 (number)

71087921 is an odd 8-digits composite number following 71087920 and preceding 71087922. In scientific notation, it is written as 7.1087921 × 10^7. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 70790244 positive integers (up to 71087921) that are relatively prime to 71087921.

Interesting facts

Basic properties

Name

Name seventy-one million eighty-seven thousand nine hundred twenty-one

Notation

Scientific notation 7.1087921 × 10^7
Engineering notation 7.1087921 × 10^6

Prime Factorization of 71087921

Prime Factorization 239 × 297439

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71087921
Product of the distinct prime numbers

The prime factorization of 71087921 is 239 × 297439. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 45, 64, 730, 375, 6642, 761, 90984, 98394, 845943, 909410, 5569137, 759903, 76588436, 46139020, 876330281, 888401924, 2410862305, 2210453175

Basic calculations (n = 71087921)

Multiplication

n×y
n×2 142175842
n×3 213263763
n×4 284351684
n×5 355439605

Division

n÷y
n÷2 35543960.5
n÷3 23695973.666667
n÷3 17771980.25
n÷5 14217584.2

Exponentiation

ny
n2 5053492512102241
n3 3.5924227647442E+23
n4 2.5537786569873E+31
n5 1.815428154194E+39

Nth Root

y√n
2√n 8431.3653105532
3√n 414.25262689717
4√n 91.822466262638
5√n 37.184261677455

Divisors of 71087921

1, 239, 297439, 71087921

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 -71087920
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 71087921 can be divided by 4 positive divisors. The sum of these divisors (counting 71087921) is 1, the average is 0.25.

Base conversion 71087921

Base System Value
2 Binary 100001111001011011100110001
3 Ternary 11221202122021222
4 Quaternary 10033023130301
5 Quinary 121144303141
6 Senary 11015354425
8 Octal 417133461
10 Decimal 71087921
12 Duodecimal 1b982a15
16 Hexadecimal 43cb731
20 Vigesimal 1245jg1
36 Base36 16bnsh

Cryptographic Hash Functions

md5 094a4df0f6bb0b0195d04e65add1b39e
sha1 c540363d71143bcbe15b8544bc1e824c350dda52
sha256 e247105565e6c5aeca408ba11bebe60e1c37f433d79afb5b83609c93f5d1ca62
sha512 b4c75d4a2a7e300e752a5d3255185ed0f8d544617c64cf9c5d4634230f6053073767b1a90a493c0f17d17bce1ec0fa2d847806de9528f13a24c4fe8481a056fd
ripemd-160 67930b3fddd344c0a9dc13d6b98ffcbaa8a81e93

71087921 as geometric shapes

Circle

Radius = n
Diameter 142175842
Circumference 446658580.74514
Area 1.5876014950991E+16

Sphere

Radius = n
Volume 1.5047905288412E+24
Surface area 6.3504059803966E+16
Circumference 446658580.74514

Square

Length = n
Perimeter 284351684
Area 5053492512102241
Diagonal 100533501.99911

Cube

Length = n
Surface area 30320955072613446
Volume 3.5924227647442E+23
Space diagonal 123127890.97644

Equilateral Triangle

Length = n
Perimeter 213263763
Area 2.1882264466575E+15
Altitude 61563945.488221

Triangular Pyramid

Length = n
Surface area 2.1882264466575E+15
Volume 4.2337108297325E+22
Height 33511167.333036