28100161440

Names of 28100161440

• Cardinal: 28100161440 can be written as Twenty-eight billion, one hundred million, one hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.810016144 × 10¹⁰

Factors of 28100161440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3367

Divisors of 28100161440

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 18 20 24 26 27 30 32 36 39 40 45 48 52 54 60 65 72 78 80 90 96 104 108 117 120 130 135 144 156 157 160 180 195 208 216 234 240 260 270 288 312 314 351 360 390 416 432 468 471 480 520 540 585 624 628 702 720 780 785 864 936 942 1040 1080 1170 1248 1256 1404 1413 1440 1560 1570 1755 1872 1884 2041 2080 2160 2340 2355 2512 2808 2826 3120 3140 3187 3510 3744 3768 4082 4239 4320 4680 4710 5024 5616 5652 6123 6240 6280 6374 7020 7065 7536 8164 8478 9360 9420 9561 10205 11232 11304 12246 12560 12748 14040 14130 15072 15935 16328 16956 18369 18720 18840 19122 20410 21195 22608 24492 25120 25496 28080 28260 28683 30615 31870 32656 33912 36738 37680 38244 40820 41431 42390 45216 47805 48984 50992 55107 56160 56520 57366 61230 63740 65312 67824 73476 75360 76488 81640 82862 84780 86049 91845 95610 97968 101984 110214 113040 114732 122460 124293 127480 135648 143415 146952 152976 163280 165724 169560 172098 183690 191220 195936 207155 220428 226080 229464 244920 248586 254960 275535 286830 293904 305952 326560 331448 339120 344196 367380 372879 382440 414310 430245 440856 458928 489840 497172 500359 509920 551070 573660 587808 621465 662896 678240 688392 734760 745758 764880 828620 860490 881712 917856 979680 994344 1000718 1102140 1118637 1147320 1242930 1325792 1376784 1469520 1491516 1501077 1529760 1657240 1720980 1763424 1864395 1988688 2001436 2204280 2237274 2294640 2485860 2501795 2753568 2939040 2983032 3002154 3314480 3441960 3728790 3977376 4002872 4408560 4474548 4503231 4589280 4971720 5003590 5593185 5966064 6004308 6504667 6628960 6883920 7457580 7505385 8005744 8817120 8949096 9006462 9943440 10007180 11186370 11932128 12008616 13009334 13509693 13767840 14915160 15010770 16011488 17898192 18012924 19514001 19886880 20014360 22372740 22516155 24017232 26018668 27019386 29830320 30021540 32523335 35796384 36025848 39028002 40028720 44745480 45032310 48034464 52037336 54038772 58542003 59660640 60043080 65046670 67548465 72051696 78056004 80057440 89490960 90064620 97570005 104074672 108077544 117084006 120086160 130093340 135096930 144103392 156112008 175626009 178981920 180129240 195140010 208149344 216155088 234168012 240172320 260186680 270193860 292710015 312224016 351252018 360258480 390280020 432310176 468336024 520373360 540387720 585420030 624448032 702504036 720516960 780560040 878130045 936672048 1040746720 1080775440 1170840060 1405008072 1561120080 1756260090 1873344096 2161550880 2341680120 2810016144 3122240160 3512520180 4683360240 5620032288 7025040360 9366720480 14050080720 28100161440
• Sum of all divisors σ(n): 106624062720
• Sum of proper divisors (its aliquot sum) s(n): 78523901280
• 28100161440 is an abundant number, because the sum of its proper divisors (78523901280) is greater than itself. Its abundance is 50423739840

Bases of 28100161440

• Binary: 11010001010111001100110111110100000₂
• Hexadecimal: 0x68AE66FA0
• Base-36: CWQ3ZC0

Squares and roots of 28100161440

• 28100161440 squared (28100161440²) is 789619072954062873600
• 28100161440 cubed (28100161440³) is 22188423426112304452070313984000
• The square root of 28100161440 is 167631.0276768593
• The cube root of 28100161440 is 3040.2054858793

Scales and comparisons

• 28,100,161,440 seconds is equal to 893 years, 25 weeks, 6 days, 8 hours, 24 minutes.
• To count from 1 to 28,100,161,440 would take you about one thousand, seven hundred eighty-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 28100161440 cubic inches would be around 253.4 feet tall.

Recreational maths with 28100161440

• 28100161440 backwards is 04416100182
• 28100161440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28100161440's digits is 27
• More coming soon!