28821561120

Names of 28821561120

• Cardinal: 28821561120 can be written as Twenty-eight billion, eight hundred twenty-one million, five hundred sixty-one thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.882156112 × 10¹⁰

Factors of 28821561120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3195

Divisors of 28821561120

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 40 44 45 48 53 55 60 66 72 80 88 90 96 99 106 110 120 121 132 144 159 160 165 176 180 198 212 220 240 242 264 265 288 318 330 352 360 363 396 424 440 477 480 484 495 528 530 583 605 636 660 720 726 792 795 848 880 954 968 990 1056 1060 1089 1166 1210 1272 1320 1440 1452 1584 1590 1696 1749 1760 1815 1908 1936 1980 2120 2178 2332 2385 2420 2544 2640 2904 2915 3121 3168 3180 3498 3630 3816 3872 3960 4240 4356 4664 4770 4840 5088 5247 5280 5445 5808 5830 6242 6360 6413 6996 7260 7632 7920 8480 8712 8745 9328 9363 9540 9680 10494 10890 11616 11660 12484 12720 12826 13992 14520 15264 15605 15840 17424 17490 18656 18726 19080 19239 19360 20988 21780 23320 24968 25440 25652 26235 27984 28089 29040 31210 32065 34331 34848 34980 37452 38160 38478 41976 43560 46640 46815 49936 51304 52470 55968 56178 57717 58080 62420 64130 68662 69960 74904 76320 76956 83952 87120 93280 93630 96195 99872 102608 102993 104940 112356 115434 124840 128260 137324 139920 140445 149808 153912 165413 167904 171655 174240 187260 192390 205216 205986 209880 224712 230868 249680 256520 274648 279840 280890 288585 299616 307824 308979 330826 343310 374520 377641 384780 411972 419760 449424 461736 496239 499360 513040 514965 549296 561780 577170 615648 617958 661652 686620 749040 755282 769560 823944 827065 839520 898848 923472 992478 1026080 1029930 1098592 1123560 1132923 1154340 1235916 1323304 1373240 1488717 1498080 1510564 1539120 1544895 1647888 1654130 1819543 1846944 1888205 1984956 2059860 2247120 2265846 2308680 2471832 2481195 2646608 2746480 2977434 3021128 3078240 3089790 3295776 3308260 3398769 3639086 3776410 3969912 4119720 4494240 4531692 4617360 4943664 4962390 5293216 5458629 5492960 5664615 5954868 6042256 6179580 6616520 6797538 7278172 7443585 7552820 7939824 8239440 9063384 9097715 9234720 9887328 9924780 10917258 11329230 11909736 12084512 12359160 13233040 13595076 14556344 14887170 15105640 15879648 16375887 16478880 16993845 18126768 18195430 19849560 20014973 21834516 22658460 23819472 24718320 26466080 27190152 27293145 29112688 29774340 30211280 32751774 33987690 36253536 36390860 39699120 40029946 43669032 45316920 47638944 49436640 54380304 54586290 58225376 59548680 60044919 60422560 65503548 67975380 72781720 79398240 80059892 81879435 87338064 90633840 100074865 108760608 109172580 119097360 120089838 131007096 135950760 145563440 160119784 163758870 174676128 180134757 181267680 200149730 218345160 238194720 240179676 262014192 271901520 291126880 300224595 320239568 327517740 360269514 400299460 436690320 480359352 524028384 543803040 600449190 640479136 655035480 720539028 800598920 873380640 900673785 960718704 1200898380 1310070960 1441078056 1601197840 1801347570 1921437408 2401796760 2620141920 2882156112 3202395680 3602695140 4803593520 5764312224 7205390280 9607187040 14410780560 28821561120
• Sum of all divisors σ(n): 110182710456
• Sum of proper divisors (its aliquot sum) s(n): 81361149336
• 28821561120 is an abundant number, because the sum of its proper divisors (81361149336) is greater than itself. Its abundance is 52539588216

Bases of 28821561120

• Binary: 11010110101111001100001111100100000₂
• Hexadecimal: 0x6B5E61F20
• Base-36: D8NM2W0

Squares and roots of 28821561120

• 28821561120 squared (28821561120²) is 830682385393895654400
• 28821561120 cubed (28821561120³) is 23941563141937558878191996928000
• The square root of 28821561120 is 169769.1406587193
• The cube root of 28821561120 is 3066.0024688407

Scales and comparisons

• 28,821,561,120 seconds is equal to 916 years, 22 weeks, 4 days, 21 hours, 12 minutes.
• To count from 1 to 28,821,561,120 would take you about one thousand, eight hundred thirty-two 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 28821561120 cubic inches would be around 255.5 feet tall.

Recreational maths with 28821561120

• 28821561120 backwards is 02116512882
• 28821561120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28821561120's digits is 36
• More coming soon!