28123290000

Names of 28123290000

• Cardinal: 28123290000 can be written as Twenty-eight billion, one hundred twenty-three million, two hundred ninety thousand.

Scientific notation

• Scientific notation: 2.812329 × 10¹⁰

Factors of 28123290000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 66

Divisors of 28123290000

• Number of divisors d(n): 675
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 25 26 30 36 39 40 43 45 48 50 52 60 65 72 75 78 80 86 90 100 104 117 120 125 129 130 144 150 156 169 172 180 195 200 208 215 225 234 240 250 258 260 300 312 325 338 344 360 375 387 390 400 430 450 468 500 507 516 520 559 585 600 624 625 645 650 676 688 720 750 774 780 845 860 900 936 975 1000 1014 1032 1040 1075 1118 1125 1170 1200 1250 1290 1300 1352 1500 1521 1548 1560 1625 1677 1690 1720 1800 1849 1872 1875 1935 1950 2000 2028 2064 2150 2236 2250 2340 2500 2535 2580 2600 2704 2795 2925 3000 3042 3096 3120 3225 3250 3354 3380 3440 3600 3698 3750 3870 3900 4056 4225 4300 4472 4500 4680 4875 5000 5031 5070 5160 5200 5375 5547 5590 5625 5850 6000 6084 6192 6450 6500 6708 6760 7267 7396 7500 7605 7740 7800 8112 8125 8385 8450 8600 8944 9000 9245 9360 9675 9750 10000 10062 10140 10320 10750 11094 11180 11250 11700 12168 12675 12900 13000 13416 13520 13975 14534 14625 14792 15000 15210 15480 15600 16125 16250 16641 16770 16900 17200 18000 18490 19350 19500 20124 20280 21125 21500 21801 22188 22360 22500 23400 24037 24336 24375 25155 25350 25800 26000 26832 26875 27735 27950 29068 29250 29584 30000 30420 30960 32250 32500 33282 33540 33800 36335 36980 38025 38700 39000 40248 40560 41925 42250 43000 43602 44376 44720 45000 46225 46800 48074 48375 48750 50310 50700 51600 53750 55470 55900 58136 58500 60840 63375 64500 65000 65403 66564 67080 67600 69875 72111 72670 73125 73960 76050 77400 78000 80496 80625 83205 83850 84500 86000 87204 88752 90000 92450 96148 96750 97500 100620 101400 105625 107500 109005 110940 111800 116272 117000 120185 121680 125775 126750 129000 130000 130806 133128 134160 138675 139750 144222 145340 146250 147920 152100 154800 161250 166410 167700 169000 174408 181675 184900 190125 192296 193500 195000 201240 202800 209625 211250 215000 216333 218010 221880 223600 231125 234000 240370 241875 251550 253500 258000 261612 266256 277350 279500 288444 290680 292500 304200 312481 316875 322500 327015 332820 335400 338000 348816 349375 360555 363350 369800 380250 384592 387000 390000 402480 416025 419250 422500 430000 432666 436020 443760 462250 480740 483750 503100 507000 523224 545025 554700 559000 576888 581360 585000 600925 608400 624962 628875 633750 645000 654030 665640 670800 693375 698750 721110 726700 739600 760500 774000 832050 838500 845000 865332 872040 908375 924500 937443 950625 961480 967500 1006200 1014000 1046448 1048125 1081665 1090050 1109400 1118000 1153776 1155625 1170000 1201850 1249924 1257750 1267500 1290000 1308060 1331280 1386750 1397500 1442220 1453400 1521000 1562405 1635075 1664100 1677000 1690000 1730664 1744080 1802775 1816750 1849000 1874886 1901250 1922960 1935000 2012400 2080125 2096250 2163330 2180100 2218800 2311250 2403700 2499848 2515500 2535000 2616120 2725125 2773500 2795000 2812329 2884440 2906800 3004625 3042000 3124810 3144375 3270150 3328200 3354000 3461328 3466875 3605550 3633500 3698000 3749772 3802500 3870000 4160250 4192500 4326660 4360200 4541875 4622500 4687215 4807400 4999696 5031000 5070000 5232240 5408325 5450250 5547000 5590000 5624658 5768880 6009250 6249620 6288750 6540300 6656400 6933750 7211100 7267000 7499544 7605000 7812025 8175375 8320500 8385000 8653320 8720400 9013875 9083750 9245000 9374430 9614800 10062000 10400625 10816650 10900500 11094000 11249316 12018500 12499240 12577500 13080600 13625625 13867500 14061645 14422200 14534000 14999088 15023125 15210000 15624050 16350750 16641000 16770000 17306640 18027750 18167500 18490000 18748860 20801250 21633300 21801000 22498632 23436075 24037000 24998480 25155000 26161200 27041625 27251250 27735000 28123290 28844400 30046250 31248100 32701500 33282000 36055500 36335000 37497720 39060125 40876875 41602500 43266600 43602000 44997264 45069375 46872150 48074000 50310000 54083250 54502500 55470000 56246580 60092500 62496200 65403000 70308225 72111000 72670000 74995440 78120250 81753750 83205000 86533200 90138750 93744300 108166500 109005000 112493160 117180375 120185000 124992400 130806000 135208125 140616450 144222000 156240500 163507500 166410000 180277500 187488600 195300625 216333000 218010000 224986320 234360750 240370000 270416250 281232900 312481000 327015000 351541125 360555000 374977200 390601250 432666000 468721500 540832500 562465800 585901875 624962000 654030000 703082250 721110000 781202500 937443000 1081665000 1124931600 1171803750 1406164500 1562405000 1757705625 1874886000 2163330000 2343607500 2812329000 3124810000 3515411250 4687215000 5624658000 7030822500 9374430000 14061645000 28123290000
• Sum of all divisors σ(n): 109032955317
• Sum of proper divisors (its aliquot sum) s(n): 80909665317
• 28123290000 is an abundant number, because the sum of its proper divisors (80909665317) is greater than itself. Its abundance is 52786375317

Bases of 28123290000

• Binary: 11010001100010001110101100110010000₂
• Hexadecimal: 0x68C475990
• Base-36: CX3VPG0

Squares and roots of 28123290000

• 28123290000 squared (28123290000²) is 790919440424100000000
• 28123290000 cubed (28123290000³) is 22243256789684687289000000000000
• 28123290000 is a perfect square number. Its square root is 167700
• The cube root of 28123290000 is 3041.0393635575

Scales and comparisons

• 28,123,290,000 seconds is equal to 894 years, 12 weeks, 1 day, 1 hour.
• To count from 1 to 28,123,290,000 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 28123290000 cubic inches would be around 253.4 feet tall.

Recreational maths with 28123290000

• 28123290000 backwards is 00009232182
• The number of decimal digits it has is: 11
• The sum of 28123290000's digits is 27
• More coming soon!