28127797440

Names of 28127797440

• Cardinal: 28127797440 can be written as Twenty-eight billion, one hundred twenty-seven million, seven hundred ninety-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.812779744 × 10¹⁰

Factors of 28127797440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 526

Divisors of 28127797440

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 30 32 34 40 41 48 51 60 64 68 80 82 85 96 102 120 123 127 136 160 164 170 192 204 205 240 246 254 255 272 320 328 331 340 381 408 410 480 492 508 510 544 615 635 656 662 680 697 762 816 820 960 984 993 1016 1020 1088 1230 1270 1312 1324 1360 1394 1524 1632 1640 1655 1905 1968 1986 2032 2040 2091 2159 2460 2540 2624 2648 2720 2788 3048 3264 3280 3310 3485 3810 3936 3972 4064 4080 4182 4318 4920 4965 5080 5207 5296 5440 5576 5627 6096 6477 6560 6620 6970 7620 7872 7944 8128 8160 8364 8636 9840 9930 10160 10414 10455 10592 10795 11152 11254 12192 12954 13120 13240 13571 13940 15240 15621 15888 16320 16728 16881 17272 19680 19860 20320 20828 20910 21184 21590 22304 22508 24384 25908 26035 26480 27142 27880 28135 30480 31242 31776 32385 33456 33762 34544 39360 39720 40640 40713 41656 41820 42037 43180 44608 45016 51816 52070 52960 54284 55760 56270 60960 62484 63552 64770 66912 67524 67855 69088 78105 79440 81426 83312 83640 84074 84405 86360 88519 90032 103632 104140 105920 108568 111520 112540 121920 124968 126111 129540 133824 135048 135710 138176 156210 158880 162852 166624 167280 168148 168810 172720 177038 180064 203565 207264 208280 210185 217136 223040 225080 230707 249936 252222 259080 265557 270096 271420 312420 317760 325704 333248 334560 336296 337620 345440 354076 360128 407130 414528 416560 420370 434272 442595 450160 461414 499872 504444 518160 531114 540192 542840 624840 630555 651408 669120 672592 675240 690880 692121 708152 714629 814260 833120 840740 868544 885190 900320 922828 999744 1008888 1036320 1062228 1080384 1085680 1153535 1249680 1261110 1302816 1327785 1345184 1350480 1384242 1416304 1429258 1628520 1666240 1681480 1723517 1770380 1800640 1845656 2017776 2072640 2124456 2143887 2171360 2307070 2499360 2522220 2605632 2655570 2690368 2700960 2768484 2832608 2858516 3257040 3362960 3447034 3460605 3540760 3573145 3691312 4035552 4248912 4287774 4342720 4614140 4998720 5044440 5170551 5311140 5401920 5536968 5665216 5717032 6514080 6725920 6894068 6921210 7081520 7146290 7382624 8071104 8497824 8575548 8617585 9228280 10088880 10341102 10622280 10719435 11073936 11434064 13028160 13451840 13788136 13842420 14163040 14292580 14765248 16995648 17151096 17235170 18456560 20177760 20682204 21244560 21438870 22147872 22868128 25852755 27576272 27684840 28326080 28585160 29299789 34302192 34470340 36913120 40355520 41364408 42489120 42877740 44295744 45736256 51705510 55152544 55369680 57170320 58599578 68604384 68940680 73826240 82728816 84978240 85755480 87899367 103411020 110305088 110739360 114340640 117199156 137208768 137881360 146498945 165457632 171510960 175798734 206822040 221478720 228681280 234398312 275762720 292997890 330915264 343021920 351597468 413644080 439496835 468796624 551525440 585995780 686043840 703194936 827288160 878993670 937593248 1171991560 1406389872 1654576320 1757987340 1875186496 2343983120 2812779744 3515974680 4687966240 5625559488 7031949360 9375932480 14063898720 28127797440
• Sum of all divisors σ(n): 97923022848
• Sum of proper divisors (its aliquot sum) s(n): 69795225408
• 28127797440 is an abundant number, because the sum of its proper divisors (69795225408) is greater than itself. Its abundance is 41667427968

Bases of 28127797440

• Binary: 11010001100100011000010000011000000₂
• Hexadecimal: 0x68C8C20C0
• Base-36: CX6KBEO

Squares and roots of 28127797440

• 28127797440 squared (28127797440²) is 791172988825670553600
• 28127797440 cubed (28127797440³) is 22253953569687844803833462784000
• The square root of 28127797440 is 167713.4384597729
• The cube root of 28127797440 is 3041.2018216745

Scales and comparisons

• 28,127,797,440 seconds is equal to 894 years, 19 weeks, 4 days, 5 hours, 4 minutes.
• To count from 1 to 28,127,797,440 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 28127797440 cubic inches would be around 253.4 feet tall.

Recreational maths with 28127797440

• 28127797440 backwards is 04479772182
• 28127797440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28127797440's digits is 51
• More coming soon!