61391640 (number)

61391640 is an even 8-digits composite number following 61391639 and preceding 61391641. In scientific notation, it is written as 6.1391640 × 10^7. The sum of its digits is 30. It has a total of 7 prime factors and 64 positive divisors. There are 16319360 positive integers (up to 61391640) that are relatively prime to 61391640.

Interesting facts

Basic properties

Name

Name sixty-one million three hundred ninety-one thousand six hundred forty

Notation

Scientific notation 6.1391640 × 10^7
Engineering notation 6.1391640 × 10^6

Prime Factorization of 61391640

Prime Factorization 2 × 2 × 2 × 3 × 5 × 431 × 1187

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 7
Total number of prime factors
rad Radical 15347910
Product of the distinct prime numbers

The prime factorization of 61391640 is 2 × 2 × 2 × 3 × 5 × 431 × 1187. Since it has a total of 7 prime factors.

Most popular turbo-numbers

6, 5, 64, 6, 102, 323, 7985, 7586, 62178, 99237, 194364, 299616, 6953615, 3192807, 98668590, 75596146, 671565535, 413008817, 8776894378, 7564826680

Basic calculations (n = 61391640)

Multiplication

n×y
n×2 122783280
n×3 184174920
n×4 245566560
n×5 306958200

Division

n÷y
n÷2 30695820
n÷3 20463880
n÷3 15347910
n÷5 12278328

Exponentiation

ny
n2 3768933461889600
n3 2.3138100627628E+23
n4 1.4204859440151E+31
n5 8.7205961700036E+38

Nth Root

y√n
2√n 7835.2817434984
3√n 394.49037519027
4√n 88.517126837118
5√n 36.10953094172

Divisors of 61391640

1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 431, 862, 1187, 1293, 1724, 2155, 2374, 2586, 3448, 3561, 4310, 4748, 5172, 5935, 6465, 7122, 8620, 9496, 10344, 11870, 12930, 14244, 17240, 17805, 23740, 25860, 28488, 35610, 47480, 51720, 71220, 142440, 511597, 1023194, 1534791, 2046388, 2557985, 3069582, 4092776, 5115970, 6139164, 7673955, 10231940, 12278328, 15347910, 20463880, 30695820, 61391640

64 divisors

τ Total Divisors 64
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -61391639
Sum of the proper positive divisors of n
A Arithmetic Mean 0.015625
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 64
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 61391640 can be divided by 64 positive divisors. The sum of these divisors (counting 61391640) is 1, the average is 0.015625.

Base conversion 61391640

Base System Value
2 Binary 11101010001100001100011000
3 Ternary 11021112000111110
4 Quaternary 3222030030120
5 Quinary 111204013030
6 Senary 10031500320
8 Octal 352141430
10 Decimal 61391640
12 Duodecimal 186876a0
16 Hexadecimal 3a8c318
20 Vigesimal j3dj20
36 Base36 10ju3c

Cryptographic Hash Functions

md5 3963da3f07685319135b201c9f43d040
sha1 b2c504750b3e0ae7d081cfddb17aeca06449575c
sha256 28297ff8489744a2bc67053ca77821106944dca5d3ada4628e6ba6a9624e063a
sha512 4a51ef308ee5fe24e8398f7c9461ee56dc74a3595870b25fdadf34c73da00d30f1b356227a759e8349d93120df06a4ff032c698a0a4780472e00ad6ba8f3888e
ripemd-160 2ab99223db37ecf82e1c96f4b9ae83c965eda7d1

61391640 as geometric shapes

Circle

Radius = n
Diameter 122783280
Circumference 385735050.43166
Area 1.1840453675741E+16

Sphere

Radius = n
Volume 9.692064926637E+23
Surface area 4.7361814702964E+16
Circumference 385735050.43166

Square

Length = n
Perimeter 245566560
Area 3768933461889600
Diagonal 86820889.904327

Cube

Length = n
Surface area 22613600771337600
Volume 2.3138100627628E+23
Space diagonal 106333439.63998

Equilateral Triangle

Length = n
Perimeter 184174920
Area 1.6319960615848E+15
Altitude 53166719.819989

Triangular Pyramid

Length = n
Surface area 1.6319960615848E+15
Volume 2.7268513095954E+22
Height 28940296.634776