28122472800

Names of 28122472800

• Cardinal: 28122472800 can be written as Twenty-eight billion, one hundred twenty-two million, four hundred seventy-two thousand, eight hundred.

Scientific notation

• Scientific notation: 2.81224728 × 10¹⁰

Factors of 28122472800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 775

Divisors of 28122472800

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 67 72 75 80 90 96 97 100 120 134 144 150 160 180 194 200 201 225 240 268 288 291 300 335 360 388 400 402 450 480 485 536 582 600 601 603 670 720 776 800 804 873 900 970 1005 1072 1164 1200 1202 1206 1340 1440 1455 1552 1608 1675 1746 1800 1803 1940 2010 2144 2328 2400 2404 2412 2425 2680 2910 3005 3015 3104 3216 3350 3492 3600 3606 3880 4020 4365 4656 4808 4824 4850 5025 5360 5409 5820 6010 6030 6432 6499 6700 6984 7200 7212 7275 7760 8040 8730 9015 9312 9616 9648 9700 10050 10720 10818 11640 12020 12060 12998 13400 13968 14424 14550 15025 15075 15520 16080 17460 18030 19232 19296 19400 19497 20100 21636 21825 23280 24040 24120 25996 26800 27045 27936 28848 29100 30050 30150 32160 32495 34920 36060 38800 38994 40200 40267 43272 43650 45075 46560 48080 48240 51992 53600 54090 57696 58200 58297 58491 60100 60300 64990 69840 72120 77600 77988 80400 80534 86544 87300 90150 96160 96480 97485 103984 108180 116400 116594 116982 120200 120600 120801 129980 135225 139680 144240 155976 160800 161068 162475 173088 174600 174891 180300 194970 201335 207968 216360 232800 233188 233964 240400 241200 241602 259960 270450 288480 291485 292455 311952 322136 324950 349200 349782 360600 362403 389940 402670 432720 466376 467928 480800 482400 483204 487425 519920 524673 540900 582970 584910 604005 623904 644272 649900 698400 699564 721200 724806 779880 805340 865440 874455 932752 935856 966408 974850 1006675 1039840 1049346 1081800 1165940 1169820 1208010 1288544 1299800 1399128 1442400 1449612 1457425 1462275 1559760 1610680 1748910 1812015 1865504 1871712 1932816 1949700 2013350 2098692 2163600 2331880 2339640 2416020 2599600 2623365 2798256 2899224 2914850 2924550 3020025 3119520 3221360 3497820 3624030 3865632 3899400 3905899 4026700 4197384 4327200 4372275 4663760 4679280 4832040 5199200 5246730 5596512 5798448 5829700 5849100 6040050 6442720 6995640 7248060 7798800 7811798 8053400 8394768 8744550 9060075 9327520 9358560 9664080 10493460 11596896 11659400 11698200 11717697 12080100 13116825 13991280 14496120 15597600 15623596 16106800 16789536 17489100 18120150 19328160 19529495 20986920 23318800 23396400 23435394 24160200 26233650 27982560 28992240 31247192 32213600 34978200 35153091 36240300 39058990 41973840 46637600 46792800 46870788 48320400 52467300 57984480 58588485 62494384 69956400 70306182 72480600 78117980 83947680 93741576 96640800 97647475 104934600 117176970 124988768 139912800 140612364 144961200 156235960 175765455 187483152 195294950 209869200 234353940 281224728 289922400 292942425 312471920 351530910 374966304 390589900 419738400 468707880 562449456 585884850 624943840 703061820 781179800 878827275 937415760 1124898912 1171769700 1406123640 1562359600 1757654550 1874831520 2343539400 2812247280 3124719200 3515309100 4687078800 5624494560 7030618200 9374157600 14061236400 28122472800
• Sum of all divisors σ(n): 101853762192
• Sum of proper divisors (its aliquot sum) s(n): 73731289392
• 28122472800 is an abundant number, because the sum of its proper divisors (73731289392) is greater than itself. Its abundance is 45608816592

Bases of 28122472800

• Binary: 11010001100001110101110000101100000₂
• Hexadecimal: 0x68C3AE160
• Base-36: CX3E6W0

Squares and roots of 28122472800

• 28122472800 squared (28122472800²) is 790873476386739840000
• 28122472800 cubed (28122472800³) is 22241317827927533431076352000000
• The square root of 28122472800 is 167697.5634885611
• The cube root of 28122472800 is 3041.0099080013

Scales and comparisons

• 28,122,472,800 seconds is equal to 894 years, 10 weeks, 5 days, 14 hours.
• To count from 1 to 28,122,472,800 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 28122472800 cubic inches would be around 253.4 feet tall.

Recreational maths with 28122472800

• 28122472800 backwards is 00827422182
• 28122472800 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28122472800's digits is 36
• More coming soon!