28987398000

Names of 28987398000

• Cardinal: 28987398000 can be written as Twenty-eight billion, nine hundred eighty-seven million, three hundred ninety-eight thousand.

Scientific notation

• Scientific notation: 2.8987398 × 10¹⁰

Factors of 28987398000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 823

Divisors of 28987398000

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 25 30 33 36 40 44 45 48 50 55 60 66 72 75 80 88 90 99 100 110 120 125 132 144 150 165 176 180 198 200 220 225 240 250 264 275 281 300 330 360 375 396 400 440 450 495 500 521 528 550 562 600 660 720 750 792 825 843 880 900 990 1000 1042 1100 1124 1125 1200 1320 1375 1405 1500 1563 1584 1650 1686 1800 1980 2000 2084 2200 2248 2250 2475 2529 2605 2640 2750 2810 3000 3091 3126 3300 3372 3600 3960 4125 4168 4215 4400 4496 4500 4689 4950 5058 5210 5500 5620 5731 6000 6182 6252 6600 6744 7025 7815 7920 8250 8336 8430 9000 9273 9378 9900 10116 10420 11000 11240 11462 12364 12375 12504 12645 13025 13200 13488 14050 15455 15630 16500 16860 17193 18000 18546 18756 19800 20232 20840 21075 22000 22480 22924 23445 24728 24750 25008 25290 26050 27819 28100 28655 30910 31260 33000 33720 34386 35125 37092 37512 39075 39600 40464 41680 42150 45848 46365 46890 49456 49500 50580 51579 52100 55638 56200 57310 61820 62520 63225 65125 66000 67440 68772 70250 74184 75024 77275 78150 84300 85965 91696 92730 93780 99000 101160 103158 104200 105375 111276 112400 114620 117225 123640 125040 126450 130250 137544 139095 140500 143275 146401 148368 154550 156300 168600 171930 185460 187560 195375 198000 202320 206316 208400 210750 222552 229240 231825 234450 247280 252900 257895 260500 275088 278190 281000 286550 292802 309100 312600 316125 337200 343860 370920 375120 386375 390750 412632 421500 429825 439203 445104 458480 463650 468900 505800 515790 521000 556380 562000 573100 585604 586125 618200 625200 632250 687720 695475 716375 732005 741840 772750 781500 825264 843000 859650 878406 927300 937800 1011600 1031580 1042000 1112760 1146200 1159125 1171208 1172250 1236400 1264500 1289475 1317609 1375440 1390950 1432750 1464010 1545500 1563000 1610411 1686000 1719300 1756812 1854600 1875600 2063160 2149125 2196015 2225520 2292400 2318250 2342416 2344500 2529000 2578950 2635218 2781900 2865500 2928020 3091000 3126000 3220822 3438600 3477375 3513624 3660025 3709200 4126320 4298250 4392030 4636500 4689000 4831233 5058000 5157900 5270436 5563800 5731000 5856040 6182000 6441644 6447375 6588045 6877200 6954750 7027248 7320050 8052055 8596500 8784060 9273000 9378000 9662466 10315800 10540872 10980075 11127600 11462000 11712080 12883288 12894750 13176090 13909500 14493699 14640100 16104110 17193000 17568120 18300125 18546000 19324932 20631600 21081744 21960150 24156165 25766576 25789500 26352180 27819000 28987398 29280200 32208220 32940225 34386000 35136240 36600250 38649864 40260275 43920300 48312330 51579000 52704360 54900375 55638000 57974796 58560400 64416440 65880450 72468495 73200500 77299728 80520550 87840600 96624660 103158000 105408720 109800750 115949592 120780825 128832880 131760900 144936990 146401000 161041100 164701125 175681200 193249320 201301375 219601500 231899184 241561650 263521800 289873980 292802000 322082200 329402250 362342475 386498640 402602750 439203000 483123300 527043600 579747960 603904125 644164400 658804500 724684950 805205500 878406000 966246600 1159495920 1207808250 1317609000 1449369900 1610411000 1811712375 1932493200 2415616500 2635218000 2898739800 3220822000 3623424750 4831233000 5797479600 7246849500 9662466000 14493699000 28987398000
• Sum of all divisors σ(n): 111053052864
• Sum of proper divisors (its aliquot sum) s(n): 82065654864
• 28987398000 is an abundant number, because the sum of its proper divisors (82065654864) is greater than itself. Its abundance is 53078256864

Bases of 28987398000

• Binary: 11010111111110010001001011101110000₂
• Hexadecimal: 0x6BFC89770
• Base-36: DBECJG0

Squares and roots of 28987398000

• 28987398000 squared (28987398000²) is 840269242810404000000
• 28987398000 cubed (28987398000³) is 24357218968503819288792000000000
• The square root of 28987398000 is 170256.8588926743
• The cube root of 28987398000 is 3071.8717343499

Scales and comparisons

• 28,987,398,000 seconds is equal to 921 years, 36 weeks, 6 days, 7 hours.
• To count from 1 to 28,987,398,000 would take you about one thousand, eight hundred forty-three 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 28987398000 cubic inches would be around 256 feet tall.

Recreational maths with 28987398000

• 28987398000 backwards is 00089378982
• The number of decimal digits it has is: 11
• The sum of 28987398000's digits is 54
• More coming soon!