28478550672

Names of 28478550672

• Cardinal: 28478550672 can be written as Twenty-eight billion, four hundred seventy-eight million, five hundred fifty thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 2.8478550672 × 10¹⁰

Factors of 28478550672

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1325

Divisors of 28478550672

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 13 16 18 19 22 24 26 27 33 36 38 39 44 48 52 54 57 66 72 76 78 88 99 104 108 114 117 132 143 144 152 156 171 176 198 208 209 216 228 234 247 264 286 297 304 312 342 351 361 396 418 429 432 456 468 494 513 528 572 594 624 627 684 702 722 741 792 836 858 912 936 988 1026 1083 1144 1188 1254 1277 1287 1368 1404 1444 1482 1584 1672 1716 1872 1881 1976 2052 2166 2223 2288 2376 2508 2554 2574 2717 2736 2808 2888 2964 3249 3344 3432 3762 3831 3861 3952 3971 4104 4332 4446 4693 4752 5016 5108 5148 5434 5616 5643 5776 5928 6498 6669 6864 7524 7662 7722 7942 8151 8208 8664 8892 9386 9747 10032 10216 10296 10868 11286 11493 11856 11913 12996 13338 14047 14079 15048 15324 15444 15884 16302 16601 17328 17784 18772 19494 20432 20592 21736 22572 22986 23826 24263 24453 25992 26676 28094 28158 30096 30648 30888 31768 32604 33202 34479 35568 35739 37544 38988 42141 42237 43472 45144 45972 47652 48526 48906 49803 51623 51984 53352 56188 56316 61296 61776 63536 65208 66404 68958 71478 72789 73359 75088 77976 84282 84474 90288 91944 95304 97052 97812 99606 103246 106704 107217 112376 112632 126423 126711 130416 132808 137916 142956 145578 146718 149409 154869 155952 168564 168948 182611 183888 190608 194104 195624 199212 206492 214434 218367 224752 225264 252846 253422 265616 266893 275832 285912 291156 293436 298818 309738 315419 337128 337896 365222 379269 388208 391248 398424 412984 428868 436734 448227 460997 464607 505692 506844 533786 547833 551664 571824 582312 586872 597636 619476 630838 655101 674256 675792 730444 758538 796848 800679 825968 857736 873468 896454 921994 929214 946257 1011384 1013688 1067572 1095666 1164624 1173744 1195272 1238952 1261676 1310202 1382991 1393821 1460888 1517076 1601358 1643499 1715472 1746936 1792908 1843988 1858428 1892514 2022768 2027376 2135144 2191332 2390544 2402037 2477904 2523352 2620404 2765982 2787642 2838771 2921776 3034152 3202716 3286998 3469609 3493872 3585816 3687976 3716856 3785028 4148973 4270288 4382664 4804074 4930497 5046704 5070967 5240808 5531964 5575284 5677542 5992961 6068304 6405432 6573996 6939218 7171632 7206111 7375952 7433712 7570056 8297946 8516313 8765328 9608148 9860994 10141934 10408827 10481616 11063928 11150568 11355084 11985922 12446919 12810864 13147992 13878436 14412222 15140112 15212901 16595892 17032626 17978883 19216296 19721988 20283868 20817654 22127856 22301136 22710168 23971844 24893838 26295984 27756872 28824444 30425802 31226481 33191784 34065252 35957766 38432592 39443976 40567736 41635308 45420336 45638703 47943688 49787676 53936649 55513744 57648888 60851604 62452962 65922571 66383568 68130504 71915532 78887952 81135472 83270616 91277406 93679443 95887376 99575352 107873298 115297776 121703208 124905924 131845142 136261008 136916109 143831064 161809947 166541232 182554812 187358886 197767713 199150704 215746596 243406416 249811848 263690284 273832218 287662128 323619894 365109624 374717772 395535426 431493192 499623696 527380568 547664436 593303139 647239788 730219248 749435544 791070852 862986384 1054761136 1095328872 1186606278 1294479576 1498871088 1582141704 1779909417 2190657744 2373212556 2588959152 3164283408 3559818834 4746425112 7119637668 9492850224 14239275336 28478550672
• Sum of all divisors σ(n): 101434757760
• Sum of proper divisors (its aliquot sum) s(n): 72956207088
• 28478550672 is an abundant number, because the sum of its proper divisors (72956207088) is greater than itself. Its abundance is 44477656416

Bases of 28478550672

• Binary: 11010100001011101000011001010010000₂
• Hexadecimal: 0x6A1743290
• Base-36: D2ZE6C0

Squares and roots of 28478550672

• 28478550672 squared (28478550672²) is 811027848377671651584
• 28478550672 cubed (28478550672³) is 23096897676426655123012873064448
• The square root of 28478550672 is 168755.8907771815
• The cube root of 28478550672 is 3053.7908850529

Scales and comparisons

• 28,478,550,672 seconds is equal to 905 years, 27 weeks, 3 days, 20 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,478,550,672 would take you about one thousand, eight hundred eleven 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 28478550672 cubic inches would be around 254.5 feet tall.

Recreational maths with 28478550672

• 28478550672 backwards is 27605587482
• 28478550672 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28478550672's digits is 54
• More coming soon!