28421290800

Names of 28421290800

• Cardinal: 28421290800 can be written as Twenty-eight billion, four hundred twenty-one million, two hundred ninety thousand, eight hundred.

Scientific notation

• Scientific notation: 2.84212908 × 10¹⁰

Factors of 28421290800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 6241

Divisors of 28421290800

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 25 27 28 30 35 36 40 42 45 48 50 54 56 60 61 63 70 72 75 80 84 90 100 105 108 112 120 122 126 135 140 144 150 168 175 180 183 189 200 210 216 225 240 244 252 270 280 300 305 315 336 350 360 366 378 400 420 427 432 450 488 504 525 540 549 560 600 610 630 675 700 720 732 756 840 854 900 915 945 976 1008 1050 1080 1098 1200 1220 1260 1281 1350 1400 1464 1512 1525 1575 1647 1680 1708 1800 1830 1890 2100 2135 2160 2196 2440 2520 2562 2700 2745 2800 2928 3024 3050 3150 3294 3416 3600 3660 3780 3843 4200 4270 4392 4575 4725 4880 5040 5124 5400 5490 6100 6163 6300 6405 6588 6832 7320 7560 7686 8235 8400 8540 8784 9150 9450 10248 10675 10800 10980 11529 12200 12326 12600 12810 13176 13725 14640 15120 15372 16470 17080 18300 18489 18900 19215 20496 21350 21960 23058 24400 24652 25200 25620 26352 27450 30744 30815 32025 32940 34160 36600 36978 37800 38430 41175 42700 43141 43920 46116 49304 51240 54900 55467 57645 61488 61630 64050 65880 73200 73956 75600 76860 82350 85400 86282 92232 92445 96075 98608 102480 109800 110934 115290 123260 128100 129423 131760 147912 153720 154075 164700 166401 170800 172564 184464 184890 192150 215705 219600 221868 230580 246520 256200 258846 277335 288225 295824 307440 308150 329400 332802 345128 369780 375943 384300 388269 431410 443736 461160 462225 493040 512400 517692 554670 576450 616300 647115 658800 665604 690256 739560 751886 768600 776538 832005 862820 887472 922320 924450 1035384 1078525 1109340 1127829 1152900 1164807 1232600 1294230 1331208 1386675 1479120 1503772 1537200 1553076 1664010 1725640 1848900 1879715 1941345 2070768 2157050 2218680 2255658 2305800 2329614 2465200 2588460 2631601 2662416 2773350 3007544 3106152 3235575 3328020 3383487 3451280 3697800 3759430 3882690 4160025 4314100 4437360 4511316 4611600 4659228 5176920 5263202 5546700 5639145 5824035 6015088 6212304 6471150 6656040 6766974 7395600 7518860 7765380 7894803 8320050 8628200 9022632 9318456 9398575 9706725 10150461 10353840 10526404 11093400 11278290 11648070 12942300 13158005 13312080 13533948 15037720 15530760 15789606 16640100 16917435 17256400 18045264 18636912 18797150 19413450 20300922 21052808 22186800 22556580 23296140 23684409 25884600 26316010 27067896 28195725 29120175 30075440 31061520 31579212 33280200 33834870 37594300 38826900 39474015 40601844 42105616 45113160 46592280 47368818 50752305 51769200 52632020 54135792 56391450 58240350 63158424 65790025 66560400 67669740 71053227 75188600 77653800 78948030 81203688 84587175 90226320 93184560 94737636 101504610 105264040 112782900 116480700 118422045 126316848 131580050 135339480 142106454 150377200 155307600 157896060 162407376 169174350 189475272 197370075 203009220 210528080 225565800 232961400 236844090 253761525 263160100 270678960 284212908 315792120 338348700 355266135 378950544 394740150 406018440 451131600 465922800 473688180 507523050 526320200 568425816 592110225 631584240 676697400 710532270 789480300 812036880 947376360 1015046100 1052640400 1136851632 1184220450 1353394800 1421064540 1578960600 1776330675 1894752720 2030092200 2368440900 2842129080 3157921200 3552661350 4060184400 4736881800 5684258160 7105322700 9473763600 14210645400 28421290800
• Sum of all divisors σ(n): 117524303360
• Sum of proper divisors (its aliquot sum) s(n): 89103012560
• 28421290800 is an abundant number, because the sum of its proper divisors (89103012560) is greater than itself. Its abundance is 60681721760

Bases of 28421290800

• Binary: 11010011110000010100111101100110000₂
• Hexadecimal: 0x69E0A7B30
• Base-36: D21AWC0

Squares and roots of 28421290800

• 28421290800 squared (28421290800²) is 807769770738164640000
• 28421290800 cubed (28421290800³) is 22957859553598707891717312000000
• The square root of 28421290800 is 168586.1524562441
• The cube root of 28421290800 is 3051.7428290607

Scales and comparisons

• 28,421,290,800 seconds is equal to 903 years, 36 weeks, 6 days, 3 hours.
• To count from 1 to 28,421,290,800 would take you about one thousand, eight hundred seven 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 28421290800 cubic inches would be around 254.3 feet tall.

Recreational maths with 28421290800

• 28421290800 backwards is 00809212482
• 28421290800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28421290800's digits is 36
• More coming soon!