28456371840

Names of 28456371840

• Cardinal: 28456371840 can be written as Twenty-eight billion, four hundred fifty-six million, three hundred seventy-one thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.845637184 × 10¹⁰

Factors of 28456371840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 388

Divisors of 28456371840

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 47 48 52 60 64 65 78 80 94 96 104 120 127 128 130 141 156 160 188 191 192 195 208 235 240 254 260 282 312 320 376 381 382 384 390 416 470 480 508 520 564 573 611 624 635 640 705 752 762 764 780 832 940 955 960 1016 1040 1128 1146 1222 1248 1270 1410 1504 1524 1528 1560 1651 1664 1833 1880 1905 1910 1920 2032 2080 2256 2292 2444 2483 2496 2540 2820 2865 3008 3048 3055 3056 3120 3302 3666 3760 3810 3820 4064 4160 4512 4584 4888 4953 4966 4992 5080 5640 5730 5969 6016 6096 6110 6112 6240 6604 7332 7449 7520 7620 7640 8128 8255 8320 8977 9024 9165 9168 9776 9906 9932 10160 11280 11460 11938 12192 12220 12224 12415 12480 13208 14664 14898 15040 15240 15280 16256 16510 17907 17954 18048 18330 18336 19552 19812 19864 20320 22560 22920 23876 24257 24384 24440 24448 24765 24830 24960 26416 26931 29328 29796 29845 30080 30480 30560 33020 35814 35908 36660 36672 37245 39104 39624 39728 40640 44885 45120 45840 47752 48514 48768 48880 49530 49660 52832 53862 58656 59592 59690 60960 61120 66040 71628 71816 72771 73320 73344 74490 77597 78208 79248 79456 81280 89535 89770 90240 91680 95504 97028 97760 99060 99320 105664 107724 116701 117312 119184 119380 121285 121920 122240 132080 134655 143256 143632 145542 146640 148980 155194 158496 158912 179070 179540 183360 191008 194056 195520 198120 198640 211328 215448 232791 233402 234624 238368 238760 242570 243840 264160 269310 286512 287264 291084 293280 297960 310388 315341 316992 317824 350103 358140 359080 363855 366720 382016 387985 388112 391040 396240 397280 430896 465582 466804 476736 477520 485140 528320 538620 573024 574528 582168 583505 586560 595920 620776 630682 633984 700206 716280 718160 727710 764032 775970 776224 792480 794560 861792 931164 933608 946023 953472 955040 970280 1056640 1077240 1140079 1146048 1149056 1163955 1164336 1167010 1173120 1191840 1241552 1261364 1400412 1432560 1436320 1455420 1551940 1552448 1576705 1584960 1589120 1723584 1750515 1862328 1867216 1892046 1910080 1940560 2154480 2280158 2292096 2327910 2328672 2334020 2383680 2483104 2522728 2800824 2865120 2872640 2910840 3103880 3104896 3153410 3169920 3420237 3447168 3501030 3724656 3734432 3784092 3820160 3881120 4308960 4560316 4655820 4657344 4668040 4730115 4767360 4966208 5045456 5601648 5700395 5730240 5745280 5821680 6207760 6306820 6840474 7002060 7449312 7468864 7568184 7762240 8617920 9120632 9311640 9314688 9336080 9460230 9932416 10090912 11203296 11400790 11460480 11643360 12415520 12613640 13680948 14004120 14821027 14898624 14937728 15136368 15524480 17101185 17235840 18241264 18623280 18672160 18920460 20181824 22406592 22801580 23286720 24831040 25227280 27361896 28008240 29642054 29797248 30272736 34202370 36482528 37246560 37344320 37840920 40363648 44463081 44813184 45603160 46573440 49662080 50454560 54723792 56016480 59284108 60545472 68404740 72965056 74105135 74493120 74688640 75681840 88926162 91206320 100909120 109447584 112032960 118568216 121090944 136809480 145930112 148210270 148986240 151363680 177852324 182412640 201818240 218895168 222315405 224065920 237136432 273618960 296420540 302727360 355704648 364825280 437790336 444630810 474272864 547237920 592841080 605454720 711409296 729650560 889261620 948545728 1094475840 1185682160 1422818592 1778523240 1897091456 2188951680 2371364320 2845637184 3557046480 4742728640 5691274368 7114092960 9485457280 14228185920 28456371840
• Sum of all divisors σ(n): 101072240640
• Sum of proper divisors (its aliquot sum) s(n): 72615868800
• 28456371840 is an abundant number, because the sum of its proper divisors (72615868800) is greater than itself. Its abundance is 44159496960

Bases of 28456371840

• Binary: 11010100000001000011100011010000000₂
• Hexadecimal: 0x6A021C680
• Base-36: D2M6T1C

Squares and roots of 28456371840

• 28456371840 squared (28456371840²) is 809765098296344985600
• 28456371840 cubed (28456371840³) is 23042976740174943423153045504000
• The square root of 28456371840 is 168690.1652142175
• The cube root of 28456371840 is 3052.9979244635

Scales and comparisons

• 28,456,371,840 seconds is equal to 904 years, 42 weeks, 6 days, 3 hours, 44 minutes.
• To count from 1 to 28,456,371,840 would take you about one thousand, eight hundred nine 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 28456371840 cubic inches would be around 254.4 feet tall.

Recreational maths with 28456371840

• 28456371840 backwards is 04817365482
• 28456371840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28456371840's digits is 48
• More coming soon!