71781311 (number)

71781311 is an odd 8-digits composite number following 71781310 and preceding 71781312. In scientific notation, it is written as 7.1781311 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 61526832 positive integers (up to 71781311) that are relatively prime to 71781311.

Interesting facts

Basic properties

Name

Name seventy-one million seven hundred eighty-one thousand three hundred eleven

Notation

Scientific notation 7.1781311 × 10^7
Engineering notation 7.1781311 × 10^6

Prime Factorization of 71781311

Prime Factorization 7 × 10254473

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 71781311
Product of the distinct prime numbers

The prime factorization of 71781311 is 7 × 10254473. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 71781311)

Multiplication

n×y
n×2 143562622
n×3 215343933
n×4 287125244
n×5 358906555

Division

n÷y
n÷2 35890655.5
n÷3 23927103.666667
n÷3 17945327.75
n÷5 14356262.2

Exponentiation

ny
n2 5152556608878721
n3 3.6985726838703E+23
n4 2.65488396077E+31
n5 1.9057105125694E+39

Nth Root

y√n
2√n 8472.3852013468
3√n 415.59514166193
4√n 92.045560465167
5√n 37.256519197697

Divisors of 71781311

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 -71781310
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 71781311 can be divided by 4 positive divisors. The sum of these divisors (counting 71781311) is 1, the average is 0.25.

Base conversion 71781311

Base System Value
2 Binary 100010001110100101110111111
3 Ternary 12000001212110002
4 Quaternary 10101310232333
5 Quinary 121334000221
6 Senary 11042304515
8 Octal 421645677
10 Decimal 71781311
12 Duodecimal 2005813b
16 Hexadecimal 4474bbf
20 Vigesimal 128cd5b
36 Base36 16qitb

Cryptographic Hash Functions

md5 3e729ead09650cb70ec1f8523a4ed97f
sha1 245494e238b0fc0b7667db80e977d1d10eeb247c
sha256 1f57fa9c3546207a7f455fda3993b7701268d27078180164ff2176d377600016
sha512 88a7c73b189b9979e5fdf81c94ee2cdfb8b8239a083b01748c7419c72821b907a0ff732ff7237ad7be7aaf1a98c0ff198f09d471ccd08b954ba335f556febcf2
ripemd-160 1ef27a0ddb7a54035d28bc517f4d63f37c8efba4

71781311 as geometric shapes

Circle

Radius = n
Diameter 143562622
Circumference 451015278.60529
Area 1.6187233989659E+16

Sphere

Radius = n
Volume 1.5492545029886E+24
Surface area 6.4748935958636E+16
Circumference 451015278.60529

Square

Length = n
Perimeter 287125244
Area 5152556608878721
Diagonal 101514103.54112

Cube

Length = n
Surface area 30915339653272326
Volume 3.6985726838703E+23
Space diagonal 124328877.6859

Equilateral Triangle

Length = n
Perimeter 215343933
Area 2.2311224588632E+15
Altitude 62164438.842951

Triangular Pyramid

Length = n
Surface area 2.2311224588632E+15
Volume 4.3588097091267E+22
Height 33838034.513707