1288897939 (number)

1288897939 is an odd 10-digits composite number following 1288897938 and preceding 1288897940. In scientific notation, it is written as 1.288897939 × 10^9. The sum of its digits is 64. It has a total of 2 prime factors and 4 positive divisors. There are 1104769656 positive integers (up to 1288897939) that are relatively prime to 1288897939.

Interesting facts

Basic properties

Name

Name one billion two hundred eighty-eight million eight hundred ninety-seven thousand nine hundred thirty-nine

Notation

Scientific notation 1.288897939 × 10^9
Engineering notation 1.288897939 × 10^9

Prime Factorization of 1288897939

Prime Factorization 7 × 184128277

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1288897939
Product of the distinct prime numbers

The prime factorization of 1288897939 is 7 × 184128277. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 8, 83, 54, 126, 396, 8557, 3976, 55733, 15447, 502636, 264941, 2262654, 6207149, 31904069, 35717225, 173173290, 95468633, 9410541334, 7669130927

Basic calculations (n = 1288897939)

Multiplication

n×y
n×2 2577795878
n×3 3866693817
n×4 5155591756
n×5 6444489695

Division

n÷y
n÷2 644448969.5
n÷3 429632646.33333
n÷3 322224484.75
n÷5 257779587.8

Exponentiation

ny
n2 1661257897158447721
n3 2.141191879795E+27
n4 2.7597778008713E+36
n5 3.557071919641E+45

Nth Root

y√n
2√n 35901.224756267
3√n 1088.2771478371
4√n 189.47618519557
5√n 66.380987049749

Divisors of 1288897939

1, 7, 184128277, 1288897939

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 -1288897938
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 1288897939 can be divided by 4 positive divisors. The sum of these divisors (counting 1288897939) is 1, the average is 0.25.

Base conversion 1288897939

Base System Value
2 Binary 1001100110100110000010110010011
3 Ternary 10022211021210120201
4 Quaternary 1030310300112103
5 Quinary 10114424213224
6 Senary 331521320031
8 Octal 11464602623
10 Decimal 1288897939
12 Duodecimal 2bb796017
16 Hexadecimal 4cd30593
20 Vigesimal 102fc4gj
36 Base36 lbdk0j

Cryptographic Hash Functions

md5 ac5abe3323425938373229bf35b636e5
sha1 e47e3842b162f6ad49367db7bdf962d9dfdaf4de
sha256 fe9857a2a4f3b3ad64a13c1b3022528fda060ecc4c8923bbacfa9c4f7ca382d1
sha512 3812d2ec46695905a67eb11822b14dc516c31d4d9c155470a003711c6ef9fb37e42afbfee9696296c1b13c2150c46828c42859f1f98fdab4ec24f804fdb52d3e
ripemd-160 7d1bd320f483eda2e196a12d9fba19ad92be8ec0

1288897939 as geometric shapes

Circle

Radius = n
Diameter 2577795878
Circumference 8098384592.7789
Area 5.218995605431E+18

Sphere

Radius = n
Volume 8.9690035726534E+27
Surface area 2.0875982421724E+19
Circumference 8098384592.7789

Square

Length = n
Perimeter 5155591756
Area 1661257897158447721
Diagonal 1822776945.8485

Cube

Length = n
Surface area 9.9675473829507E+18
Volume 2.141191879795E+27
Space diagonal 2232436716.1188

Equilateral Triangle

Length = n
Perimeter 3866693817
Area 7.1934577058837E+17
Altitude 1116218358.0594

Triangular Pyramid

Length = n
Surface area 7.1934577058837E+17
Volume 2.523418830041E+26
Height 607592315.28284