28401645140

Names of 28401645140

• Cardinal: 28401645140 can be written as Twenty-eight billion, four hundred one million, six hundred forty-five thousand, one hundred forty.

Scientific notation

• Scientific notation: 2.840164514 × 10¹⁰

Factors of 28401645140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 957

Divisors of 28401645140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 10 11 20 22 44 55 61 110 121 122 220 242 244 305 421 457 484 605 610 671 842 914 1210 1220 1342 1684 1828 2105 2285 2420 2684 3355 4210 4570 4631 5027 6710 7381 8420 9140 9262 10054 13420 14762 18524 20108 23155 25135 25681 27877 29524 36905 46310 50270 50941 51362 55297 55754 73810 92620 100540 101882 102724 110594 111508 128405 139385 147620 192397 203764 221188 254705 256810 276485 278770 282491 306647 384794 509410 513620 552970 557540 564982 613294 769588 961985 1018820 1105940 1129964 1226588 1412455 1533235 1923970 2116367 2824910 3066470 3107401 3373117 3847940 4232734 5649820 6132940 6214802 6746234 8465468 10581835 11736217 12429604 13492468 15537005 16865585 21163670 23280037 23472434 31074010 33731170 42327340 46560074 46944868 58681085 62148020 67462340 93120148 116400185 117362170 129098387 232800370 234724340 258196774 465600740 516393548 645491935 1290983870 1420082257 2581967740 2840164514 5680329028 7100411285 14200822570 28401645140
• Sum of all divisors σ(n): 66937663632
• Sum of proper divisors (its aliquot sum) s(n): 38536018492
• 28401645140 is an abundant number, because the sum of its proper divisors (38536018492) is greater than itself. Its abundance is 10134373352

Bases of 28401645140

• Binary: 11010011100110111101011011001010100₂
• Hexadecimal: 0x69CDEB654
• Base-36: D1PLTN8

Squares and roots of 28401645140

• 28401645140 squared (28401645140²) is 806653446658485619600
• 28401645140 cubed (28401645140³) is 22910284942952227337672228744000
• The square root of 28401645140 is 168527.8764477855
• The cube root of 28401645140 is 3051.0395145203

Scales and comparisons

• 28,401,645,140 seconds is equal to 903 years, 4 weeks, 2 days, 17 hours, 52 minutes, 20 seconds.
• To count from 1 to 28,401,645,140 would take you about one thousand, eight hundred six 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 28401645140 cubic inches would be around 254.3 feet tall.

Recreational maths with 28401645140

• 28401645140 backwards is 04154610482
• The number of decimal digits it has is: 11
• The sum of 28401645140's digits is 35
• More coming soon!