28821418537472

Names of 28821418537472

• Cardinal: 28821418537472 can be written as Twenty-eight trillion, eight hundred twenty-one billion, four hundred eighteen million, five hundred thirty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8821418537472 × 10¹³

Factors of 28821418537472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 21582

Divisors of 28821418537472

• Number of divisors d(n): 90
• Complete list of divisors:
  1 2 4 8 11 16 22 32 44 64 88 121 128 176 242 256 352 484 512 704 968 1408 1936 2816 3872 5632 7744 15488 21569 30976 43138 61952 86276 172552 237259 345104 474518 690208 949036 1380416 1898072 2609849 2760832 3796144 5219698 5521664 7592288 10439396 11043328 15184576 20878792 30369152 41757584 60738304 83515168 121476608 167030336 334060672 465221761 668121344 930443522 1336242688 1860887044 3721774088 5117439371 7443548176 10234878742 14887096352 20469757484 29774192704 40939514968 56291833081 59548385408 81879029936 112583666162 119096770816 163758059872 225167332324 238193541632 327516119744 450334664648 655032239488 900669329296 1310064478976 1801338658592 2620128957952 3602677317184 7205354634368 14410709268736 28821418537472
• Sum of all divisors σ(n): 63300542372529
• Sum of proper divisors (its aliquot sum) s(n): 34479123835057
• 28821418537472 is an abundant number, because the sum of its proper divisors (34479123835057) is greater than itself. Its abundance is 5657705297585

Bases of 28821418537472

• Binary: 110100011011010000010011010011111001000000000₂
• Hexadecimal: 0x1A368269F200
• Base-36: A7SDKG7I8

Squares and roots of 28821418537472

• 28821418537472 squared (28821418537472²) is 830674166512134639468150784
• 28821418537472 cubed (28821418537472³) is 23941207821311940140000900376917650178048
• The square root of 28821418537472 is 5368558.3295212505
• The cube root of 28821418537472 is 30659.9741291395

Scales and comparisons

• 28,821,418,537,472 seconds is equal to 916,431 years, 49 weeks, 6 days, 1 hour, 44 minutes, 32 seconds.
• To count from 1 to 28,821,418,537,472 would take you about two million, two hundred ninety-one thousand and seventy-nine 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 28821418537472 cubic inches would be around 2555 feet tall.

Recreational maths with 28821418537472

• 28821418537472 backwards is 27473581412882
• The number of decimal digits it has is: 14
• The sum of 28821418537472's digits is 62
• More coming soon!