28081696440

Names of 28081696440

• Cardinal: 28081696440 can be written as Twenty-eight billion, eighty-one million, six hundred ninety-six thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.808169644 × 10¹⁰

Factors of 28081696440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 486

Divisors of 28081696440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 29 30 35 40 42 56 58 60 70 84 87 105 116 120 127 140 145 168 174 203 210 232 254 280 290 313 348 381 406 420 435 508 580 609 626 635 696 762 812 840 841 870 889 939 1015 1016 1160 1218 1252 1270 1524 1565 1624 1682 1740 1778 1878 1905 2030 2191 2436 2504 2523 2540 2667 3045 3048 3130 3364 3480 3556 3683 3756 3810 4060 4205 4382 4445 4695 4872 5046 5080 5334 5887 6090 6260 6573 6728 7112 7366 7512 7620 8120 8410 8764 8890 9077 9390 10092 10668 10955 11049 11774 12180 12520 12615 13146 13335 14732 15240 16820 17528 17661 17780 18154 18415 18780 20184 21336 21910 22098 23548 24360 25230 25781 26292 26670 27231 29435 29464 32865 33640 35322 35560 36308 36830 37560 39751 43820 44196 45385 47096 50460 51562 52584 53340 54462 55245 58870 63539 65730 70644 72616 73660 77343 79502 87640 88305 88392 90770 100920 103124 106680 106807 108924 110490 117740 119253 127078 128905 131460 136155 141288 147320 154686 159004 176610 181540 190617 198755 206248 213614 217848 220980 235480 238506 254156 257810 262920 263233 272310 278257 309372 317695 318008 320421 353220 363080 381234 386715 397510 427228 441960 477012 508312 515620 526466 534035 544620 556514 596265 618744 635390 640842 706440 747649 762468 773430 789699 795020 834771 854456 953085 954024 1031240 1052932 1068070 1089240 1113028 1152779 1192530 1270780 1281684 1316165 1391285 1495298 1524936 1546860 1579398 1590040 1602105 1669542 1842631 1906170 2105864 2136140 2226056 2242947 2305558 2385060 2541560 2563368 2632330 2782570 2990596 3093720 3158796 3204210 3339084 3458337 3685262 3738245 3812340 3948495 4173855 4272280 4485894 4611116 4770120 5264660 5527893 5565140 5763895 5981192 6317592 6408420 6678168 6916674 7370524 7476490 7624680 7896990 8069453 8347710 8971788 9213155 9222232 10529320 11055786 11130280 11214735 11527790 12816840 13833348 14741048 14952980 15793980 16138906 16695420 17291685 17943576 18426310 22111572 22429470 23055580 24208359 27639465 27666696 29905960 31587960 32277812 33390840 33430591 34583370 36852620 40347265 44223144 44858940 46111160 48416718 55278930 64555624 66861182 69166740 73705240 80694530 89717880 96833436 100291773 110557860 121041795 133722364 138333480 161389060 167152955 193666872 200583546 221115720 234014137 242083590 267444728 322778120 334305910 401167092 468028274 484167180 501458865 668611820 702042411 802334184 936056548 968334360 1002917730 1170070685 1337223640 1404084822 1872113096 2005835460 2340141370 2808169644 3510212055 4011670920 4680282740 5616339288 7020424110 9360565480 14040848220 28081696440
• Sum of all divisors σ(n): 100820828160
• Sum of proper divisors (its aliquot sum) s(n): 72739131720
• 28081696440 is an abundant number, because the sum of its proper divisors (72739131720) is greater than itself. Its abundance is 44657435280

Bases of 28081696440

• Binary: 11010001001110011001010111010111000₂
• Hexadecimal: 0x689CCAEB8
• Base-36: CWF47NC

Squares and roots of 28081696440

• 28081696440 squared (28081696440²) is 788581674948308673600
• 28081696440 cubed (28081696440³) is 22144711214045156863454241984000
• The square root of 28081696440 is 167575.9423067643
• The cube root of 28081696440 is 3039.5394197771

Scales and comparisons

• 28,081,696,440 seconds is equal to 892 years, 47 weeks, 2 days, 15 hours, 14 minutes.
• To count from 1 to 28,081,696,440 would take you about one thousand, seven hundred eighty-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 28081696440 cubic inches would be around 253.3 feet tall.

Recreational maths with 28081696440

• 28081696440 backwards is 04469618082
• The number of decimal digits it has is: 11
• The sum of 28081696440's digits is 48
• More coming soon!