71387251 (number)

71387251 is an odd 8-digits composite number following 71387250 and preceding 71387252. In scientific notation, it is written as 7.1387251 × 10^7. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 65680320 positive integers (up to 71387251) that are relatively prime to 71387251.

Interesting facts

Basic properties

Name

Name seventy-one million three hundred eighty-seven thousand two hundred fifty-one

Notation

Scientific notation 7.1387251 × 10^7
Engineering notation 7.1387251 × 10^6

Prime Factorization of 71387251

Prime Factorization 13 × 311 × 17657

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 71387251
Product of the distinct prime numbers

The prime factorization of 71387251 is 13 × 311 × 17657. Since it has a total of 3 prime factors.

Most popular turbo-numbers

2, 6, 74, 45, 586, 589, 1977, 726, 10696, 90648, 715283, 133499, 2557351, 1205138, 14372202, 53401183, 206341415, 742643498, 1427119683, 6148167919

Basic calculations (n = 71387251)

Multiplication

n×y
n×2 142774502
n×3 214161753
n×4 285549004
n×5 356936255

Division

n÷y
n÷2 35693625.5
n÷3 23795750.333333
n÷3 17846812.75
n÷5 14277450.2

Exponentiation

ny
n2 5096139605337001
n3 3.6379939713723E+23
n4 2.5970638877084E+31
n5 1.8539725161488E+39

Nth Root

y√n
2√n 8449.0976441274
3√n 414.83324407849
4√n 91.918973254315
5√n 37.215523431794

Divisors of 71387251

1, 13, 311, 4043, 17657, 229541, 5491327, 71387251

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 -71387250
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 71387251 can be divided by 8 positive divisors. The sum of these divisors (counting 71387251) is 1, the average is 0.125.

Base conversion 71387251

Base System Value
2 Binary 100010000010100100001110011
3 Ternary 11222022211220021
4 Quaternary 10100110201303
5 Quinary 121233343001
6 Senary 11030024311
8 Octal 420244163
10 Decimal 71387251
12 Duodecimal 1baa8097
16 Hexadecimal 4414873
20 Vigesimal 126382b
36 Base36 16i2r7

Cryptographic Hash Functions

md5 f01756f1586d995d080d044329d3a09f
sha1 1d3e44ecfd150099bbbdf3ff855929b10a3060e7
sha256 cc1d4f1d9ff793d60b4db2e520b0d759501ed3daa5128c07a53dc2215b9c96f5
sha512 0c58d1a406c3670c05990478aa5f52318064ad4671083eafc8215c25b433ddde0945fbafe13d1d358f2e04c4197aff0c434ab3b6dbce276f849cfb9d7cd4b13b
ripemd-160 b7923952da6cdc7212bf32ccc863ea80e7269e5d

71387251 as geometric shapes

Circle

Radius = n
Diameter 142774502
Circumference 448539326.60314
Area 1.6009994745795E+16

Sphere

Radius = n
Volume 1.5238793512356E+24
Surface area 6.4039978983179E+16
Circumference 448539326.60314

Square

Length = n
Perimeter 285549004
Area 5096139605337001
Diagonal 100956818.54473

Cube

Length = n
Surface area 30576837632022006
Volume 3.6379939713723E+23
Space diagonal 123646345.74467

Equilateral Triangle

Length = n
Perimeter 214161753
Area 2.2066931797269E+15
Altitude 61823172.872336

Triangular Pyramid

Length = n
Surface area 2.2066931797269E+15
Volume 4.2874170117886E+22
Height 33652272.848244