28245762720

Names of 28245762720

• Cardinal: 28245762720 can be written as Twenty-eight billion, two hundred forty-five million, seven hundred sixty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 2.824576272 × 10¹⁰

Factors of 28245762720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13577

Divisors of 28245762720

• 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 23 24 27 28 30 32 35 36 40 42 45 46 48 54 56 60 63 69 70 72 80 81 84 90 92 96 105 108 112 115 120 126 135 138 140 144 160 161 162 168 180 184 189 207 210 216 224 230 240 252 270 276 280 288 315 322 324 336 345 360 368 378 405 414 420 432 460 480 483 504 540 552 560 567 621 630 644 648 672 690 720 736 756 805 810 828 840 864 920 945 966 1008 1035 1080 1104 1120 1134 1242 1260 1288 1296 1380 1440 1449 1512 1610 1620 1656 1680 1840 1863 1890 1932 2016 2070 2160 2208 2268 2415 2484 2520 2576 2592 2760 2835 2898 3024 3105 3220 3240 3312 3360 3680 3726 3780 3864 4140 4320 4347 4536 4830 4968 5040 5152 5520 5670 5796 6048 6210 6440 6480 6624 7245 7452 7560 7728 8280 8694 9072 9315 9660 9936 10080 11040 11340 11592 12420 12880 12960 13041 13537 14490 14904 15120 15456 16560 17388 18144 18630 19320 19872 21735 22680 23184 24840 25760 26082 27074 28980 29808 30240 33120 34776 37260 38640 40611 43470 45360 46368 49680 52164 54148 57960 59616 65205 67685 69552 74520 77280 81222 86940 90720 94759 99360 104328 108296 115920 121833 130410 135370 139104 149040 162444 173880 189518 203055 208656 216592 231840 243666 260820 270740 284277 298080 311351 324888 347760 365499 379036 406110 417312 433184 473795 487332 521640 541480 568554 609165 622702 649776 695520 730998 758072 812220 852831 934053 947590 974664 1043280 1082960 1096497 1137108 1218330 1245404 1299552 1421385 1461996 1516144 1556755 1624440 1705662 1827495 1868106 1895180 1949328 2086560 2165920 2179457 2192994 2274216 2436660 2490808 2558493 2802159 2842770 2923992 3032288 3113510 3248880 3411324 3654990 3736212 3790360 3898656 4264155 4358914 4385988 4548432 4670265 4873320 4981616 5116986 5482485 5604318 5685540 5847984 6227020 6497760 6538371 6822648 7309980 7472424 7580720 7675479 8406477 8528310 8717828 8771976 9096864 9340530 9746640 9963232 10233972 10897285 10964970 11208636 11371080 11695968 12454040 12792465 13076742 13645296 14010795 14619960 14944848 15161440 15350958 16812954 17056620 17435656 17543952 18681060 19493280 19615113 20467944 21794570 21929940 22417272 22742160 24908080 25219431 25584930 26153484 27290592 28021590 29239920 29889696 30701916 32691855 33625908 34113240 34871312 35087904 37362120 38377395 39230226 40935888 42032385 43589140 43859880 44834544 45484320 49816160 50438862 51169860 52306968 56043180 58479840 58845339 61403832 65383710 67251816 68226480 69742624 74724240 76754790 78460452 81871776 84064770 87178280 87719760 89669088 98075565 100877724 102339720 104613936 112086360 117690678 122807664 126097155 130767420 134503632 136452960 149448480 153509580 156920904 168129540 174356560 175439520 176536017 196151130 201755448 204679440 209227872 224172720 235381356 245615328 252194310 261534840 269007264 294226695 307019160 313841808 336259080 348713120 353072034 392302260 403510896 409358880 448345440 470762712 504388620 523069680 588453390 614038320 627683616 672518160 706144068 784604520 807021792 882680085 941525424 1008777240 1046139360 1176906780 1228076640 1345036320 1412288136 1569209040 1765360170 1883050848 2017554480 2353813560 2824576272 3138418080 3530720340 4035108960 4707627120 5649152544 7061440680 9415254240 14122881360 28245762720
• Sum of all divisors σ(n): 118886600448
• Sum of proper divisors (its aliquot sum) s(n): 90640837728
• 28245762720 is an abundant number, because the sum of its proper divisors (90640837728) is greater than itself. Its abundance is 62395075008

Bases of 28245762720

• Binary: 11010010011100101000010001010100000₂
• Hexadecimal: 0x6939422A0
• Base-36: CZ4SQ00

Squares and roots of 28245762720

• 28245762720 squared (28245762720²) is 797823111634541798400
• 28245762720 cubed (28245762720³) is 22535122303761338993528475648000
• The square root of 28245762720 is 168064.7575192373
• The cube root of 28245762720 is 3045.4473947683

Scales and comparisons

• 28,245,762,720 seconds is equal to 898 years, 6 weeks, 4 days, 13 hours, 12 minutes.
• To count from 1 to 28,245,762,720 would take you about one thousand, seven hundred ninety-six 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 28245762720 cubic inches would be around 253.8 feet tall.

Recreational maths with 28245762720

• 28245762720 backwards is 02726754282
• 28245762720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28245762720's digits is 45
• More coming soon!