28494123840

Names of 28494123840

• Cardinal: 28494123840 can be written as Twenty-eight billion, four hundred ninety-four million, one hundred twenty-three thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.849412384 × 10¹⁰

Factors of 28494123840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 36271

Divisors of 28494123840

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 27 28 30 32 35 36 39 40 42 45 48 52 54 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 108 112 117 120 126 130 135 140 144 156 160 168 180 182 189 192 195 208 210 216 224 234 240 252 260 270 273 280 288 312 315 320 336 351 360 364 378 390 416 420 432 448 455 468 480 504 520 540 546 560 576 585 624 630 672 702 720 728 756 780 819 832 840 864 910 936 945 960 1008 1040 1080 1092 1120 1170 1248 1260 1344 1365 1404 1440 1456 1512 1560 1638 1680 1728 1755 1820 1872 1890 2016 2080 2160 2184 2240 2340 2457 2496 2520 2730 2808 2880 2912 3024 3120 3276 3360 3510 3640 3744 3780 4032 4095 4160 4320 4368 4680 4914 5040 5460 5616 5824 6048 6240 6552 6720 7020 7280 7488 7560 8190 8640 8736 9360 9828 10080 10920 11232 12096 12285 12480 13104 14040 14560 15120 16380 17472 18720 19656 20160 21840 22464 24570 26208 28080 29120 30240 32760 36241 37440 39312 43680 49140 52416 56160 60480 65520 72482 78624 87360 98280 108723 112320 131040 144964 157248 181205 196560 217446 253687 262080 289928 326169 362410 393120 434892 471133 507374 543615 579856 652338 724820 761061 786240 869784 942266 978507 1014748 1087230 1159712 1268435 1304676 1413399 1449640 1522122 1630845 1739568 1884532 1957014 2029496 2174460 2283183 2319424 2355665 2536870 2609352 2826798 2899280 3044244 3261690 3297931 3479136 3769064 3805305 3914028 4058992 4240197 4348920 4566366 4711330 4892535 5073740 5218704 5653596 5798560 6088488 6523380 6595862 6849549 6958272 7066995 7538128 7610610 7828056 8117984 8480394 8697840 9132732 9422660 9785070 9893793 10147480 10437408 11307192 11415915 11597120 12176976 12720591 13046760 13191724 13699098 14133990 15076256 15221220 15656112 16235968 16489655 16960788 17395680 18265464 18845320 19570140 19787586 20294960 20874816 21200985 22614384 22831830 24353952 25441182 26093520 26383448 27398196 28267980 29681379 30152512 30442440 31312224 32979310 33921576 34247745 34791360 36530928 37690640 39140280 39575172 40589920 42401970 45228768 45663660 48707904 49468965 50882364 52187040 52766896 54796392 56535960 59362758 60884880 62624448 63602955 65958620 67843152 68495490 73061856 75381280 78280560 79150344 81179840 84803940 89044137 90457536 91327320 98937930 101764728 104374080 105533792 109592784 113071920 118725516 121769760 127205910 131917240 135686304 136990980 146123712 148406895 150762560 156561120 158300688 169607880 178088274 182654640 197875860 203529456 211067584 219185568 226143840 237451032 243539520 254411820 263834480 271372608 273981960 296813790 313122240 316601376 339215760 356176548 365309280 395751720 407058912 438371136 445220685 452287680 474902064 508823640 527668960 547963920 593627580 633202752 678431520 712353096 730618560 791503440 814117824 890441370 949804128 1017647280 1055337920 1095927840 1187255160 1356863040 1424706192 1583006880 1780882740 1899608256 2035294560 2191855680 2374510320 2849412384 3166013760 3561765480 4070589120 4749020640 5698824768 7123530960 9498041280 14247061920 28494123840
• Sum of all divisors σ(n): 123721489920
• Sum of proper divisors (its aliquot sum) s(n): 95227366080
• 28494123840 is an abundant number, because the sum of its proper divisors (95227366080) is greater than itself. Its abundance is 66733242240

Bases of 28494123840

• Binary: 11010100010011000011101001101000000₂
• Hexadecimal: 0x6A261D340
• Base-36: D38NYO0

Squares and roots of 28494123840

• 28494123840 squared (28494123840²) is 811915093409256345600
• 28494123840 cubed (28494123840³) is 23134809219168518113832239104000
• The square root of 28494123840 is 168802.0255802637
• The cube root of 28494123840 is 3054.3474270971

Scales and comparisons

• 28,494,123,840 seconds is equal to 906 years, 1 week, 2 days, 2 hours, 24 minutes.
• To count from 1 to 28,494,123,840 would take you about one thousand, eight hundred twelve 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 28494123840 cubic inches would be around 254.5 feet tall.

Recreational maths with 28494123840

• 28494123840 backwards is 04832149482
• 28494123840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28494123840's digits is 45
• More coming soon!