28748724732

Names of 28748724732

• Cardinal: 28748724732 can be written as Twenty-eight billion, seven hundred forty-eight million, seven hundred twenty-four thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 2.8748724732 × 10¹⁰

Factors of 28748724732

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2371

Divisors of 28748724732

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 28 36 39 42 49 52 63 78 79 84 91 98 117 126 147 156 158 182 196 234 237 252 273 294 316 343 364 441 468 474 546 553 588 637 686 711 819 882 948 1027 1029 1092 1106 1274 1372 1422 1638 1659 1764 1911 2054 2058 2212 2267 2548 2844 3081 3087 3276 3318 3822 3871 4108 4116 4459 4534 4977 5733 6162 6174 6636 6801 7189 7644 7742 8918 9068 9243 9954 11466 11613 12324 12348 13377 13602 14378 15484 15869 17836 18486 19908 20403 21567 22932 23226 26754 27097 27204 28756 29471 31738 34839 36972 40131 40806 43134 46452 47607 50323 53508 54194 58942 63476 64701 69678 80262 81291 81612 86268 88413 95214 100646 108388 111083 117884 129402 139356 142821 150969 160524 162582 176826 179093 190428 201292 206297 222166 243873 258804 265239 285642 301938 325164 333249 352261 353652 358186 412594 444332 452907 487746 530478 537279 571284 603876 618891 666498 704522 716372 777581 825188 905814 975492 999747 1056783 1060956 1074558 1237782 1253651 1332996 1409044 1444079 1555162 1611837 1811628 1856673 1999494 2113566 2149116 2328209 2332743 2475564 2507302 2888158 3110324 3170349 3223674 3713346 3760953 3998988 4227132 4332237 4656418 4665486 5014604 5776316 6340698 6447348 6984627 6998229 7426692 7521906 8664474 8775557 9312836 9330972 10108553 11282859 12681396 12996711 13969254 13996458 15043812 16297463 17328948 17551114 20217106 20953881 22565718 25993422 26326671 27938508 27992916 30325659 32594926 35102228 40434212 41907762 45131436 48892389 51986844 52653342 60651318 61428899 65189852 78980013 83815524 90976977 97784778 105306684 114082241 121302636 122857798 146677167 157960026 181953954 184286697 195569556 228164482 245715596 293354334 315920052 342246723 363907908 368573394 456328964 552860091 586708668 684493446 737146788 798575687 1026740169 1105720182 1368986892 1597151374 2053480338 2211440364 2395727061 3194302748 4106960676 4791454122 7187181183 9582908244 14374362366 28748724732
• Sum of all divisors σ(n): 92461824000
• Sum of proper divisors (its aliquot sum) s(n): 63713099268
• 28748724732 is an abundant number, because the sum of its proper divisors (63713099268) is greater than itself. Its abundance is 34964374536

Bases of 28748724732

• Binary: 11010110001100011101011100111111100₂
• Hexadecimal: 0x6B18EB9FC
• Base-36: D7G8XZ0

Squares and roots of 28748724732

• 28748724732 squared (28748724732²) is 826489173716308471824
• 28748724732 cubed (28748724732³) is 23760509749148281715667753951168
• The square root of 28748724732 is 169554.4889762581
• The cube root of 28748724732 is 3063.4175414531

Scales and comparisons

• 28,748,724,732 seconds is equal to 914 years, 6 weeks, 1 day, 20 hours, 52 minutes, 12 seconds.
• To count from 1 to 28,748,724,732 would take you about one thousand, eight hundred twenty-eight 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 28748724732 cubic inches would be around 255.3 feet tall.

Recreational maths with 28748724732

• 28748724732 backwards is 23742784782
• The number of decimal digits it has is: 11
• The sum of 28748724732's digits is 54
• More coming soon!