61431440 (number)

61431440 is an even 8-digits composite number following 61431439 and preceding 61431441. In scientific notation, it is written as 6.1431440 × 10^7. The sum of its digits is 23. It has a total of 8 prime factors and 80 positive divisors. There are 20901888 positive integers (up to 61431440) that are relatively prime to 61431440.

Interesting facts

Basic properties

Name

Name sixty-one million four hundred thirty-one thousand four hundred forty

Notation

Scientific notation 6.1431440 × 10^7
Engineering notation 6.1431440 × 10^6

Prime Factorization of 61431440

Prime Factorization 2 × 2 × 2 × 2 × 5 × 7 × 673 × 163

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 7678930
Product of the distinct prime numbers

The prime factorization of 61431440 is 2 × 2 × 2 × 2 × 5 × 7 × 673 × 163. Since it has a total of 8 prime factors.

Most popular turbo-numbers

7, 5, 2, 65, 50, 110, 652, 9173, 1017, 95299, 610042, 990956, 8608543, 9117185, 87540696, 93982464, 587826946, 866599308, 1867799010, 8532219620

Basic calculations (n = 61431440)

Multiplication

n×y
n×2 122862880
n×3 184294320
n×4 245725760
n×5 307157200

Division

n÷y
n÷2 30715720
n÷3 20477146.666667
n÷3 15357860
n÷5 12286288

Exponentiation

ny
n2 3773821820473600
n3 2.3183130873511E+23
n4 1.4241731132683E+31
n5 8.7489005157353E+38

Nth Root

y√n
2√n 7837.8211257977
3√n 394.57560571593
4√n 88.531469691843
5√n 36.114211666307

Divisors of 61431440

1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 163, 280, 326, 560, 652, 673, 815, 1141, 1304, 1346, 1630, 2282, 2608, 2692, 3260, 3365, 4564, 4711, 5384, 5705, 6520, 6730, 9128, 9422, 10768, 11410, 13040, 13460, 18256, 18844, 22820, 23555, 26920, 37688, 45640, 47110, 53840, 75376, 91280, 94220, 109699, 188440, 219398, 376880, 438796, 548495, 767893, 877592, 1096990, 1535786, 1755184, 2193980, 3071572, 3839465, 4387960, 6143144, 7678930, 8775920, 12286288, 15357860, 30715720, 61431440

80 divisors

τ Total Divisors 80
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61431439
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0125
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 80
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61431440 can be divided by 80 positive divisors. The sum of these divisors (counting 61431440) is 1, the average is 0.0125.

Base conversion 61431440

Base System Value
2 Binary 11101010010101111010010000
3 Ternary 11021121001002112
4 Quaternary 3222111322100
5 Quinary 111211301230
6 Senary 10032404452
8 Octal 352257220
10 Decimal 61431440
12 Duodecimal 186a6728
16 Hexadecimal 3a95e90
20 Vigesimal j3iic0
36 Base36 10kosw

Cryptographic Hash Functions

md5 7e1386aeea278b241c551c7fecad55eb
sha1 f32ecdb33c84500fa77fa6c366aed2d91063e7d2
sha256 6587046ca2ae079781176cd8dca01d7add606251cddac162896f2965e1c98827
sha512 3a9112fac9706109d81c9b49dc12ab44f249982e009a556901156c8a6ec5e645327aa711400908c12de87079d26bf6d42b15618974b11829e425827bff55ab95
ripemd-160 7185dad5dcb90f46fcb69b01097a86753cb71f4d

61431440 as geometric shapes

Circle

Radius = n
Diameter 122862880
Circumference 385985121.20688
Area 1.1855810907157E+16

Sphere

Radius = n
Volume 9.7109271519246E+23
Surface area 4.7423243628627E+16
Circumference 385985121.20688

Square

Length = n
Perimeter 245725760
Area 3773821820473600
Diagonal 86877175.604109

Cube

Length = n
Surface area 22642930922841600
Volume 2.3183130873511E+23
Space diagonal 106402375.26212

Equilateral Triangle

Length = n
Perimeter 184294320
Area 1.6341127829431E+15
Altitude 53201187.63106

Triangular Pyramid

Length = n
Surface area 1.6341127829431E+15
Volume 2.7321581749659E+22
Height 28959058.534703