28480047378

Names of 28480047378

• Cardinal: 28480047378 can be written as Twenty-eight billion, four hundred eighty million, forty-seven thousand, three hundred seventy-eight.

Scientific notation

• Scientific notation: 2.8480047378 × 10¹⁰

Factors of 28480047378

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 534

Divisors of 28480047378

• Number of divisors d(n): 72
• Complete list of divisors:
  1 2 3 6 19 38 57 67 114 134 201 361 402 443 722 886 1083 1273 1329 2166 2546 2658 3819 7638 8417 16834 24187 25251 29681 48374 50502 59362 72561 89043 145122 159923 178086 196249 319846 392498 479769 563939 588747 959538 1127878 1177494 1691817 3383634 3728731 7457462 10714841 11186193 13148683 21429682 22372386 26297366 32144523 39446049 64289046 70845889 78892098 141691778 212537667 249824977 425075334 499649954 749474931 1498949862 4746674563 9493349126 14240023689 28480047378
• Sum of all divisors σ(n): 61151066928
• Sum of proper divisors (its aliquot sum) s(n): 32671019550
• 28480047378 is an abundant number, because the sum of its proper divisors (32671019550) is greater than itself. Its abundance is 4190972172

Bases of 28480047378

• Binary: 11010100001100010110000100100010010₂
• Hexadecimal: 0x6A18B0912
• Base-36: D30A976

Squares and roots of 28480047378

• 28480047378 squared (28480047378²) is 811113098653124674884
• 28480047378 cubed (28480047378³) is 23100539478557378728437166654152
• The square root of 28480047378 is 168760.3252485607
• The cube root of 28480047378 is 3053.8443820061

Scales and comparisons

• 28,480,047,378 seconds is equal to 905 years, 30 weeks, 4 hours, 16 minutes, 18 seconds.
• To count from 1 to 28,480,047,378 would take you about one thousand, eight hundred eleven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 28480047378 cubic inches would be around 254.5 feet tall.

Recreational maths with 28480047378

• 28480047378 backwards is 87374008482
• The number of decimal digits it has is: 11
• The sum of 28480047378's digits is 51
• More coming soon!