28871865120

Names of 28871865120

• Cardinal: 28871865120 can be written as Twenty-eight billion, eight hundred seventy-one million, eight hundred sixty-five thousand, one hundred twenty.

Scientific notation

• Scientific notation: 2.887186512 × 10¹⁰

Factors of 28871865120

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 824

Divisors of 28871865120

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 67 70 80 84 96 105 112 120 134 140 160 168 201 210 224 240 268 277 280 335 336 402 420 463 469 480 536 554 560 670 672 804 831 840 926 938 1005 1072 1108 1120 1340 1385 1389 1407 1608 1662 1680 1852 1876 1939 2010 2144 2216 2315 2345 2680 2770 2778 2814 3216 3241 3324 3360 3704 3752 3878 4020 4155 4432 4630 4690 5360 5540 5556 5628 5817 6432 6482 6648 6945 7035 7408 7504 7756 8040 8310 8864 9260 9380 9695 9723 10720 11080 11112 11256 11634 12964 13296 13890 14070 14816 15008 15512 16080 16205 16620 18520 18559 18760 19390 19446 22160 22224 22512 23268 25928 26592 27780 28140 29085 31021 31024 32160 32410 33240 37040 37118 37520 38780 38892 44320 44448 45024 46536 48615 51856 55560 55677 56280 58170 62042 62048 64820 66480 74080 74236 75040 77560 77784 92795 93063 93072 97230 103712 111120 111354 112560 116340 124084 128251 129640 129913 132960 148472 155105 155120 155568 185590 186126 186144 194460 217147 222240 222708 225120 232680 248168 256502 259280 259826 278385 296944 310210 310240 311136 371180 372252 384753 388920 389739 434294 445416 465315 465360 496336 513004 518560 519652 556770 593888 620420 641255 649565 651441 742360 744504 769506 777840 779478 868588 890832 897757 930630 930720 992672 1026008 1039304 1085735 1113540 1240840 1282510 1299130 1302882 1484720 1489008 1539012 1555680 1558956 1737176 1781664 1795514 1861260 1923765 1948695 2052016 2078608 2171470 2227080 2481680 2565020 2598260 2605764 2693271 2969440 2978016 3078024 3117912 3257205 3474352 3591028 3722520 3847530 3897390 4104032 4157216 4342940 4454160 4488785 4963360 5130040 5196520 5211528 5386542 6156048 6235824 6514410 6948704 7182056 7445040 7695060 7794780 8592817 8685880 8908320 8977570 10260080 10393040 10423056 10773084 12312096 12471648 13028820 13466355 14364112 14890080 15390120 15589560 17185634 17371760 17955140 20520160 20786080 20846112 21546168 25778451 26057640 26932710 28728224 30780240 31179120 34371268 34743520 35910280 42964085 43092336 51556902 52115280 53865420 60149719 61560480 62358240 68742536 71820560 85928170 86184672 103113804 104230560 107730840 120299438 128892255 137485072 143641120 171856340 180449157 206227608 215461680 240598876 257784510 274970144 300748595 343712680 360898314 412455216 430923360 481197752 515569020 601497190 687425360 721796628 824910432 902245785 962395504 1031138040 1202994380 1374850720 1443593256 1804491570 1924791008 2062276080 2405988760 2887186512 3608983140 4124552160 4811977520 5774373024 7217966280 9623955040 14435932560 28871865120
• Sum of all divisors σ(n): 106099531776
• Sum of proper divisors (its aliquot sum) s(n): 77227666656
• 28871865120 is an abundant number, because the sum of its proper divisors (77227666656) is greater than itself. Its abundance is 48355801536

Bases of 28871865120

• Binary: 11010111000111001011011001100100000₂
• Hexadecimal: 0x6B8E5B320
• Base-36: D9HK9PC

Squares and roots of 28871865120

• 28871865120 squared (28871865120²) is 833584595507472614400
• 28871865120 cubed (28871865120³) is 24067142007601507275050569728000
• The square root of 28871865120 is 169917.2302034139
• The cube root of 28871865120 is 3067.7851914377

Scales and comparisons

• 28,871,865,120 seconds is equal to 918 years, 1 week, 6 days, 2 hours, 32 minutes.
• To count from 1 to 28,871,865,120 would take you about one thousand, eight hundred thirty-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 28871865120 cubic inches would be around 255.6 feet tall.

Recreational maths with 28871865120

• 28871865120 backwards is 02156817882
• 28871865120 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28871865120's digits is 48
• More coming soon!