28122720080

Names of 28122720080

• Cardinal: 28122720080 can be written as Twenty-eight billion, one hundred twenty-two million, seven hundred twenty thousand and eighty.

Scientific notation

• Scientific notation: 2.812272008 × 10¹⁰

Factors of 28122720080

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 3272

Divisors of 28122720080

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 23 26 28 35 40 46 52 53 56 65 70 80 91 92 104 106 112 115 130 140 161 182 184 208 212 230 260 265 280 299 322 364 368 371 424 455 460 520 530 560 598 644 689 728 742 805 848 910 920 1040 1060 1196 1219 1288 1378 1456 1484 1495 1610 1820 1840 1855 2093 2120 2392 2438 2576 2756 2968 2990 3169 3220 3445 3640 3710 4186 4240 4784 4823 4876 5512 5936 5980 6095 6338 6440 6890 7280 7420 8372 8533 9646 9752 10465 11024 11960 12190 12676 12880 13780 14840 15845 15847 16744 17066 19292 19504 20930 22183 23920 24115 24380 25352 27560 29680 31690 31694 33488 34132 38584 41197 41860 42665 44366 48230 48760 50704 55120 63380 63388 68264 72887 77168 79235 82394 83720 85330 88732 96460 97520 110915 110929 126760 126776 136528 145774 158470 164788 167440 167957 170660 177464 192920 205985 221830 221858 253520 253552 288379 291548 316940 329576 335914 341320 354928 364435 385840 411970 443660 443716 510209 554645 576758 583096 633880 659152 671828 682640 728870 823940 839785 887320 887432 947531 1020418 1109290 1153516 1166192 1175699 1267760 1343656 1441895 1457740 1647880 1679570 1774640 1774864 1895062 2040836 2183441 2218580 2307032 2351398 2551045 2687312 2883790 2915480 3295760 3359140 3790124 3863011 4081672 4366882 4437160 4614064 4702796 4737655 5102090 5767580 5830960 5878495 6632717 6718280 7580248 7726022 8163344 8733764 8874320 9405592 9475310 10204180 10917205 11535160 11756990 13265434 13436560 15160496 15284087 15452044 17467528 18811184 18950620 19315055 20408360 21834410 23070320 23513980 26530868 27041077 30568174 30904088 33163585 34935056 37901240 38630110 40816720 43668820 47027960 50219143 53061736 54082154 61136348 61808176 66327170 75802480 76420435 77260220 87337640 94055920 100438286 106123472 108164308 122272696 132654340 135205385 152840870 154520440 174675280 200876572 216328616 244545392 251095715 265308680 270410770 305681740 309040880 351534001 401753144 432657232 502191430 530617360 540821540 611363480 703068002 803506288 1004382860 1081643080 1222726960 1406136004 1757670005 2008765720 2163286160 2812272008 3515340010 4017531440 5624544016 7030680020 14061360040 28122720080
• Sum of all divisors σ(n): 85584522240
• Sum of proper divisors (its aliquot sum) s(n): 57461802160
• 28122720080 is an abundant number, because the sum of its proper divisors (57461802160) is greater than itself. Its abundance is 29339082080

Bases of 28122720080

• Binary: 11010001100001111101010011101010000₂
• Hexadecimal: 0x68C3EA750
• Base-36: CX3JHOW

Squares and roots of 28122720080

• 28122720080 squared (28122720080²) is 790887384698035206400
• 28122720080 cubed (28122720080³) is 22241904534666119435572224512000
• The square root of 28122720080 is 167698.3007665849
• The cube root of 28122720080 is 3041.0188211423

Scales and comparisons

• 28,122,720,080 seconds is equal to 894 years, 11 weeks, 1 day, 10 hours, 41 minutes, 20 seconds.
• To count from 1 to 28,122,720,080 would take you about one thousand, seven hundred eighty-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 28122720080 cubic inches would be around 253.4 feet tall.

Recreational maths with 28122720080

• 28122720080 backwards is 08002722182
• The number of decimal digits it has is: 11
• The sum of 28122720080's digits is 32
• More coming soon!