28020577420

Names of 28020577420

• Cardinal: 28020577420 can be written as Twenty-eight billion, twenty million, five hundred seventy-seven thousand, four hundred twenty.

Scientific notation

• Scientific notation: 2.802057742 × 10¹⁰

Factors of 28020577420

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 340

Divisors of 28020577420

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 10 11 17 20 22 34 44 53 55 68 71 85 106 110 121 142 170 181 187 212 220 242 265 284 340 355 362 374 484 530 583 605 710 724 748 781 901 905 935 1060 1166 1207 1210 1420 1562 1802 1810 1870 1991 2057 2332 2414 2420 2915 3077 3124 3604 3620 3740 3763 3905 3982 4114 4505 4828 5830 6035 6154 6413 7526 7810 7964 8228 8591 9010 9593 9911 9955 10285 11660 12070 12308 12826 12851 13277 15052 15385 15620 17182 18020 18815 19186 19822 19910 20570 21901 24140 25652 25702 26554 30770 32065 33847 34364 37630 38372 39644 39820 41140 41393 42955 43802 47965 49555 51404 53108 61540 63971 64130 64255 66385 67694 75260 82786 85910 87604 95930 99110 105523 109021 109505 127942 128260 128510 132770 135388 141361 146047 163081 165572 169235 171820 191860 198220 206965 211046 218042 218467 219010 255884 257020 265540 282722 292094 319855 326162 338470 372317 413930 422092 436084 436934 438020 455323 527615 545105 565444 584188 639710 652324 676940 681103 703681 706805 730235 744634 815405 827860 873868 910646 1055230 1090210 1092335 1160753 1279420 1362206 1407362 1413610 1460470 1489268 1554971 1630810 1793891 1821292 1861585 2110460 2180420 2184670 2276615 2321506 2403137 2724412 2814724 2827220 2920940 3109942 3261620 3405515 3518405 3587782 3723170 4369340 4553230 4643012 4806274 5803765 6219884 6811030 7036810 7175564 7446340 7492133 7740491 7774855 8969455 9106460 9612548 11578751 11607530 12015685 13622060 14073620 14984266 15480982 15549710 17938910 19732801 23157502 23215060 24031370 26434507 29968532 30961964 31099420 35877820 37460665 38702455 39465602 46315004 48062740 52869014 57893755 74921330 77404910 78931204 82413463 98664005 105738028 115787510 127366261 132172535 149842660 154809820 164826926 197328010 231575020 254732522 264345070 329653852 394656020 412067315 509465044 528690140 636831305 824134630 1273662610 1401028871 1648269260 2547325220 2802057742 5604115484 7005144355 14010288710 28020577420
• Sum of all divisors σ(n): 71149373568
• Sum of proper divisors (its aliquot sum) s(n): 43128796148
• 28020577420 is an abundant number, because the sum of its proper divisors (43128796148) is greater than itself. Its abundance is 15108218728

Bases of 28020577420

• Binary: 11010000110001010000001010010001100₂
• Hexadecimal: 0x68628148C
• Base-36: CVEQ7WS

Squares and roots of 28020577420

• 28020577420 squared (28020577420²) is 785152758950213856400
• 28020577420 cubed (28020577420³) is 22000433668691065288812962488000
• The square root of 28020577420 is 167393.4808169065
• The cube root of 28020577420 is 3037.3326607559

Scales and comparisons

• 28,020,577,420 seconds is equal to 890 years, 50 weeks, 2 days, 5 hours, 43 minutes, 40 seconds.
• To count from 1 to 28,020,577,420 would take you about one thousand, seven hundred eighty-one 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 28020577420 cubic inches would be around 253.1 feet tall.

Recreational maths with 28020577420

• 28020577420 backwards is 02477502082
• The number of decimal digits it has is: 11
• The sum of 28020577420's digits is 37
• More coming soon!