28369008640

Names of 28369008640

• Cardinal: 28369008640 can be written as Twenty-eight billion, three hundred sixty-nine million, eight thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.836900864 × 10¹⁰

Factors of 28369008640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 17
• Sum of prime factors: 252

Divisors of 28369008640

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 49 56 64 70 80 82 98 112 128 140 160 164 196 197 205 224 245 256 280 287 320 328 343 392 394 410 448 490 512 560 574 640 656 686 784 788 820 896 980 985 1024 1120 1148 1280 1312 1372 1379 1435 1568 1576 1640 1715 1792 1960 1970 2009 2048 2240 2296 2560 2624 2744 2758 2870 3136 3152 3280 3430 3584 3920 3940 4018 4480 4592 5120 5248 5488 5516 5740 6272 6304 6560 6860 6895 7168 7840 7880 8036 8077 8960 9184 9653 10045 10240 10496 10976 11032 11480 12544 12608 13120 13720 13790 14063 14336 15680 15760 16072 16154 17920 18368 19306 20090 20992 21952 22064 22960 25088 25216 26240 27440 27580 28126 31360 31520 32144 32308 35840 36736 38612 40180 40385 41984 43904 44128 45920 48265 50176 50432 52480 54880 55160 56252 56539 62720 63040 64288 64616 67571 70315 71680 73472 77224 80360 80770 83968 87808 88256 91840 96530 100352 100864 104960 109760 110320 112504 113078 125440 126080 128576 129232 135142 140630 146944 154448 160720 161540 175616 176512 183680 193060 201728 209920 219520 220640 225008 226156 250880 252160 257152 258464 270284 281260 282695 293888 308896 321440 323080 337855 351232 353024 367360 386120 395773 403456 419840 439040 441280 450016 452312 501760 504320 514304 516928 540568 562520 565390 587776 617792 642880 646160 675710 702464 706048 734720 772240 791546 878080 882560 900032 904624 1008640 1028608 1033856 1081136 1125040 1130780 1235584 1285760 1292320 1351420 1412096 1469440 1544480 1583092 1756160 1765120 1800064 1809248 1978865 2017280 2057216 2067712 2162272 2250080 2261560 2471168 2571520 2584640 2702840 2770411 2824192 2938880 3088960 3166184 3512320 3530240 3600128 3618496 3957730 4114432 4135424 4324544 4500160 4523120 4942336 5143040 5169280 5405680 5540822 6177920 6332368 7060480 7200256 7236992 7915460 8270848 8649088 9000320 9046240 9884672 10286080 10338560 10811360 11081644 12355840 12664736 13852055 14120960 14400512 14473984 15830920 16541696 17298176 18000640 18092480 19769344 20572160 20677120 21622720 22163288 24711680 25329472 27704110 28801024 28947968 31661840 34596352 36001280 36184960 41354240 43245440 44326576 49423360 50658944 55408220 57895936 63323680 69192704 72002560 72369920 82708480 86490880 88653152 98846720 101317888 110816440 115791872 126647360 138385408 144005120 144739840 172981760 177306304 202635776 221632880 253294720 289479680 345963520 354612608 405271552 443265760 506589440 578959360 691927040 709225216 810543104 886531520 1013178880 1418450432 1773063040 2026357760 2836900864 3546126080 4052715520 5673801728 7092252160 14184504320 28369008640
• Sum of all divisors σ(n): 81729648000
• Sum of proper divisors (its aliquot sum) s(n): 53360639360
• 28369008640 is an abundant number, because the sum of its proper divisors (53360639360) is greater than itself. Its abundance is 24991630720

Bases of 28369008640

• Binary: 11010011010111011001011100000000000₂
• Hexadecimal: 0x69AECB800
• Base-36: D166B5S

Squares and roots of 28369008640

• 28369008640 squared (28369008640²) is 804800651216394649600
• 28369008640 cubed (28369008640³) is 22831396627835526324152172544000
• The square root of 28369008640 is 168431.0204208239
• The cube root of 28369008640 is 3049.8704106905

Scales and comparisons

• 28,369,008,640 seconds is equal to 902 years, 2 weeks, 3 days, 10 minutes, 40 seconds.
• To count from 1 to 28,369,008,640 would take you about one thousand, eight hundred four 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 28369008640 cubic inches would be around 254.2 feet tall.

Recreational maths with 28369008640

• 28369008640 backwards is 04680096382
• The number of decimal digits it has is: 11
• The sum of 28369008640's digits is 46
• More coming soon!