28268513728

Names of 28268513728

• Cardinal: 28268513728 can be written as Twenty-eight billion, two hundred sixty-eight million, five hundred thirteen thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8268513728 × 10¹⁰

Factors of 28268513728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 541

Divisors of 28268513728

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 7 8 13 14 16 19 26 28 32 38 43 52 56 64 76 86 91 104 112 133 152 169 172 182 208 224 247 266 301 304 338 344 364 416 448 457 494 532 559 602 608 676 688 728 817 832 914 988 1064 1118 1183 1204 1216 1352 1376 1456 1634 1729 1828 1976 2128 2236 2366 2408 2704 2752 2912 3199 3211 3268 3458 3656 3913 3952 4256 4472 4732 4816 5408 5719 5824 5941 6398 6422 6536 6916 7267 7312 7826 7904 8512 8683 8944 9464 9632 10621 10816 11438 11882 12796 12844 13072 13832 14534 14624 15652 15808 17366 17888 18928 19264 19651 21242 22477 22876 23764 25592 25688 26144 27664 29068 29248 31304 34732 35776 37856 39302 41587 42484 44954 45752 47528 50869 51184 51376 52288 55328 58136 60781 62608 69464 74347 75712 77233 78604 83174 84968 89908 91504 95056 101738 102368 102752 110656 112879 116272 121562 125216 137557 138073 138928 148694 154466 157208 166348 169936 179816 183008 190112 203476 204736 205504 225758 232544 243124 250432 255463 275114 276146 277856 297388 308932 314416 332696 339872 359632 366016 373369 380224 406952 451516 465088 486248 510926 540631 550228 552292 555712 594776 617864 628832 665392 679744 719264 746738 790153 813904 903032 966511 972496 1021852 1081262 1100456 1104584 1189552 1235728 1257664 1330784 1438528 1467427 1493476 1580306 1627808 1788241 1806064 1933022 1944992 2043704 2162524 2200912 2209168 2379104 2471456 2613583 2661568 2934854 2986952 3160612 3255616 3321019 3576482 3612128 3866044 3889984 4087408 4325048 4401824 4418336 4758208 4853797 4942912 5227166 5869708 5973904 6321224 6642038 7152964 7224256 7732088 8174816 8650096 8803648 8836672 9707594 10271989 10454332 11739416 11947808 12642448 13284076 14305928 15464176 16349632 17300192 19415188 20543978 20908664 23247133 23478832 23895616 25284896 26568152 28611856 30928352 33976579 34600384 38830376 41087956 41817328 46494266 46957664 50569792 53136304 57223712 61856704 63099361 67953158 77660752 82175912 83634656 92988532 93915328 106272608 114447424 126198722 135906316 155321504 164351824 167269312 185977064 212545216 252397444 271812632 310643008 328703648 371954128 441695527 504794888 543625264 657407296 743908256 883391054 1009589776 1087250528 1487816512 1766782108 2019179552 2174501056 3533564216 4038359104 7067128432 14134256864 28268513728
• Sum of all divisors σ(n): 74936421120
• Sum of proper divisors (its aliquot sum) s(n): 46667907392
• 28268513728 is an abundant number, because the sum of its proper divisors (46667907392) is greater than itself. Its abundance is 18399393664

Bases of 28268513728

• Binary: 11010010100111011110100100111000000₂
• Hexadecimal: 0x694EF49C0
• Base-36: CZICCSG

Squares and roots of 28268513728

• 28268513728 squared (28268513728²) is 799108868390124457984
• 28268513728 cubed (28268513728³) is 22589620016252778500149263204352
• The square root of 28268513728 is 168132.4291384621
• The cube root of 28268513728 is 3046.2648436753

Scales and comparisons

• 28,268,513,728 seconds is equal to 898 years, 44 weeks, 1 day, 20 hours, 55 minutes, 28 seconds.
• To count from 1 to 28,268,513,728 would take you about one thousand, seven hundred ninety-seven 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 28268513728 cubic inches would be around 253.9 feet tall.

Recreational maths with 28268513728

• 28268513728 backwards is 82731586282
• 28268513728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28268513728's digits is 52
• More coming soon!