31485440 (number)

31485440 is an even 8-digits composite number following 31485439 and preceding 31485441. In scientific notation, it is written as 3.1485440 × 10^7. The sum of its digits is 29. It has a total of 12 prime factors and 80 positive divisors. There are 10752000 positive integers (up to 31485440) that are relatively prime to 31485440.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred eighty-five thousand four hundred forty

Notation

Scientific notation 3.1485440 × 10^7
Engineering notation 3.1485440 × 10^6

Prime Factorization of 31485440

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 7 × 251

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 12
Total number of prime factors
rad Radical 122990
Product of the distinct prime numbers

The prime factorization of 31485440 is 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 35 × 7 × 251. Since it has a total of 12 prime factors.

Most popular turbo-numbers

2, 9, 56, 53, 534, 775, 5947, 2579, 45209, 90931, 388710, 821866, 3141159, 5953722, 2170998, 78849242, 483817707, 70567749, 7437091937, 8454660756

Basic calculations (n = 31485440)

Multiplication

n×y
n×2 62970880
n×3 94456320
n×4 125941760
n×5 157427200

Division

n÷y
n÷2 15742720
n÷3 10495146.666667
n÷3 7871360
n÷5 6297088

Exponentiation

ny
n2 991332931993600
n3 3.1212553550309E+22
n4 9.8274098205503E+29
n5 3.0942032226035E+37

Nth Root

y√n
2√n 5611.1888223442
3√n 315.76931302092
4√n 74.907868894691
5√n 31.59526144079

Divisors of 31485440

1, 2, 4, 7, 8, 14, 16, 28, 32, 35, 56, 64, 70, 112, 128, 140, 224, 245, 251, 256, 280, 448, 490, 502, 512, 560, 896, 980, 1004, 1120, 1757, 1792, 1960, 2008, 2240, 3514, 3584, 3920, 4016, 4480, 7028, 7840, 8032, 8785, 8960, 14056, 15680, 16064, 17570, 17920, 28112, 31360, 32128, 35140, 56224, 61495, 62720, 64256, 70280, 112448, 122990, 125440, 128512, 140560, 224896, 245980, 281120, 449792, 491960, 562240, 899584, 983920, 1124480, 1967840, 2248960, 3935680, 4497920, 7871360, 15742720, 31485440

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 -31485439
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 31485440 can be divided by 80 positive divisors. The sum of these divisors (counting 31485440) is 1, the average is 0.0125.

Base conversion 31485440

Base System Value
2 Binary 1111000000110111000000000
3 Ternary 2012020121220102
4 Quaternary 1320012320000
5 Quinary 31030013230
6 Senary 3042501532
8 Octal 170067000
10 Decimal 31485440
12 Duodecimal a6648a8
16 Hexadecimal 1e06e00
20 Vigesimal 9gfdc0
36 Base36 iqubk

Cryptographic Hash Functions

md5 15355e341b73d7d21be4f7b324524471
sha1 3e4840dfa89d3193be15c4a9f05376b162c1e8d4
sha256 adedbba99ee670df249509ac392089048ec5cee7d4cdae3c2ac751f062b83363
sha512 b3f152b68ca40870183eb5cc7cb4508fcf748e0c160b8f46f6dd067a87aaa50fc4f98a60bbb9162003a75f3cdc71bf36628cf877fd908c55d8c96d49c81acd95
ripemd-160 a59764ff34c06f8fb5a162c8d5fb1ccdc6f6a160

31485440 as geometric shapes

Circle

Radius = n
Diameter 62970880
Circumference 197828853.99808
Area 3.1143642564127E+15

Sphere

Radius = n
Volume 1.307428385779E+23
Surface area 1.2457457025651E+16
Circumference 197828853.99808

Square

Length = n
Perimeter 125941760
Area 991332931993600
Diagonal 44527136.265284

Cube

Length = n
Surface area 5947997591961600
Volume 3.1212553550309E+22
Space diagonal 54534381.778661

Equilateral Triangle

Length = n
Perimeter 94456320
Area 4.2925975135728E+14
Altitude 27267190.889331

Triangular Pyramid

Length = n
Surface area 4.2925975135728E+14
Volume 3.6784347122619E+21
Height 14842378.755095