28712828928

Names of 28712828928

• Cardinal: 28712828928 can be written as Twenty-eight billion, seven hundred twelve million, eight hundred twenty-eight thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 2.8712828928 × 10¹⁰

Factors of 28712828928

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 716

Divisors of 28712828928

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 31 32 42 48 56 62 64 84 93 96 112 124 128 168 186 192 217 224 248 256 336 372 384 434 448 496 512 651 672 673 744 768 868 896 992 1024 1302 1344 1346 1488 1536 1736 1792 1984 2019 2048 2604 2688 2692 2976 3072 3472 3584 3968 4038 4096 4711 5208 5376 5384 5952 6144 6944 7168 7936 8076 8192 9422 10416 10752 10768 11904 12288 13888 14133 14336 15872 16152 16384 18844 20832 20863 21504 21536 23808 24576 27776 28266 28672 31744 32304 32768 37688 41664 41726 43008 43072 47616 49152 55552 56532 57344 62589 63488 64608 65536 75376 83328 83452 86016 86144 95232 98304 111104 113064 114688 125178 126976 129216 146041 150752 166656 166904 172032 172288 190464 196608 222208 226128 229376 250356 253952 258432 292082 301504 333312 333808 344064 344576 380928 438123 444416 452256 458752 500712 507904 516864 584164 603008 666624 667616 688128 689152 761856 876246 888832 904512 1001424 1015808 1033728 1168328 1206016 1333248 1335232 1376256 1378304 1523712 1752492 1777664 1809024 2002848 2031616 2067456 2336656 2412032 2666496 2670464 2756608 3047424 3504984 3555328 3618048 4005696 4134912 4673312 4824064 5332992 5340928 5513216 6094848 7009968 7110656 7236096 8011392 8269824 9346624 9648128 10665984 10681856 11026432 14019936 14221312 14472192 16022784 16539648 18693248 19296256 21331968 21363712 22052864 28039872 28944384 32045568 33079296 37386496 38592512 42663936 42727424 44105728 56079744 57888768 64091136 66158592 74772992 77185024 85454848 112159488 115777536 128182272 132317184 149545984 154370048 170909696 224318976 231555072 256364544 299091968 308740096 341819392 448637952 463110144 512729088 598183936 683638784 897275904 926220288 1025458176 1196367872 1367277568 1794551808 2050916352 2392735744 3589103616 4101832704 4785471488 7178207232 9570942976 14356414464 28712828928
• Sum of all divisors σ(n): 90462058496
• Sum of proper divisors (its aliquot sum) s(n): 61749229568
• 28712828928 is an abundant number, because the sum of its proper divisors (61749229568) is greater than itself. Its abundance is 33036400640

Bases of 28712828928

• Binary: 11010101111011010110000000000000000₂
• Hexadecimal: 0x6AF6B0000
• Base-36: D6UVKLC

Squares and roots of 28712828928

• 28712828928 squared (28712828928²) is 824426545048593629184
• 28712828928 cubed (28712828928³) is 23671618351682354321750860234752
• The square root of 28712828928 is 169448.6026144801
• The cube root of 28712828928 is 3062.1420108505

Scales and comparisons

• 28,712,828,928 seconds is equal to 912 years, 50 weeks, 6 days, 9 hours, 48 minutes, 48 seconds.
• To count from 1 to 28,712,828,928 would take you about one thousand, eight hundred twenty-five 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 28712828928 cubic inches would be around 255.2 feet tall.

Recreational maths with 28712828928

• 28712828928 backwards is 82982821782
• The number of decimal digits it has is: 11
• The sum of 28712828928's digits is 57
• More coming soon!