28218047040

Names of 28218047040

• Cardinal: 28218047040 can be written as Twenty-eight billion, two hundred eighteen million, forty-seven thousand and forty.

Scientific notation

• Scientific notation: 2.821804704 × 10¹⁰

Factors of 28218047040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 485

Divisors of 28218047040

• Number of divisors d(n): 504
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 30 32 34 36 37 40 45 48 51 60 64 68 72 74 80 85 90 96 102 111 120 136 144 148 153 160 170 180 185 192 204 222 240 255 272 288 296 306 320 333 340 360 370 408 421 444 480 510 544 555 576 592 612 629 666 680 720 740 765 816 842 888 960 1020 1088 1110 1184 1224 1258 1263 1332 1360 1369 1440 1480 1530 1632 1665 1684 1776 1887 2040 2105 2220 2368 2448 2516 2526 2664 2720 2738 2880 2960 3060 3145 3264 3330 3368 3552 3774 3789 4080 4107 4210 4440 4896 5032 5052 5328 5440 5476 5661 5920 6120 6290 6315 6660 6736 6845 7104 7157 7548 7578 8160 8214 8420 8880 9435 9792 10064 10104 10656 10952 11322 11840 12240 12321 12580 12630 13320 13472 13690 14314 15096 15156 15577 16320 16428 16840 17760 18870 18945 20128 20208 20535 21312 21471 21904 22644 23273 24480 24642 25160 25260 26640 26944 27380 28305 28628 30192 30312 31154 32856 33680 35520 35785 37740 37890 40256 40416 41070 42942 43808 45288 46546 46731 48960 49284 50320 50520 53280 54760 56610 57256 60384 60624 61605 62308 64413 65712 67360 69819 71570 75480 75780 77885 80832 82140 85884 87616 90576 93092 93462 98568 100640 101040 106560 107355 109520 113220 114512 116365 120768 121248 123210 124616 128826 131424 134720 139638 140193 143140 150960 151560 155770 164280 171768 181152 186184 186924 197136 201280 202080 209457 214710 219040 226440 229024 232730 233655 242496 246420 249232 257652 262848 264809 279276 280386 286280 301920 303120 311540 322065 328560 343536 349095 362304 372368 373848 394272 404160 418914 429420 438080 452880 458048 465460 467310 492840 498464 515304 529618 558552 560772 572560 576349 603840 606240 623080 644130 657120 687072 698190 700965 744736 747696 788544 794427 837828 858840 905760 930920 934620 985680 996928 1030608 1047285 1059236 1117104 1121544 1145120 1152698 1212480 1246160 1288260 1314240 1324045 1374144 1396380 1401930 1489472 1495392 1588854 1675656 1717680 1729047 1811520 1861840 1869240 1971360 2061216 2094570 2118472 2234208 2243088 2290240 2305396 2383281 2492320 2576520 2648090 2792760 2803860 2881745 2990784 3177708 3351312 3435360 3458094 3723680 3738480 3942720 3972135 4122432 4189140 4236944 4468416 4486176 4610792 4766562 4984640 5153040 5187141 5296180 5585520 5607720 5763490 6355416 6702624 6870720 6916188 7447360 7476960 7944270 8378280 8473888 8645235 8972352 9221584 9533124 9797933 10306080 10374282 10592360 11171040 11215440 11526980 11916405 12710832 13405248 13832376 14953920 15888540 16756560 16947776 17290470 18443168 19066248 19595866 20612160 20748564 21184720 22342080 22430880 23053960 23832810 25421664 25935705 27664752 29393799 31777080 33513120 34580940 36886336 38132496 39191732 41497128 42369440 44861760 46107920 47665620 48989665 50843328 51871410 55329504 58787598 63554160 67026240 69161880 76264992 78383464 82994256 84738880 88181397 92215840 95331240 97979330 103742820 110659008 117575196 127108320 138323760 146968995 152529984 156766928 165988512 176362794 184431680 190662480 195958660 207485640 235150392 254216640 276647520 293937990 313533856 331977024 352725588 381324960 391917320 414971280 440906985 470300784 553295040 587875980 627067712 705451176 762649920 783834640 829942560 881813970 940601568 1175751960 1410902352 1567669280 1659885120 1763627940 1881203136 2351503920 2821804704 3135338560 3527255880 4703007840 5643609408 7054511760 9406015680 14109023520 28218047040
• Sum of all divisors σ(n): 105871088232
• Sum of proper divisors (its aliquot sum) s(n): 77653041192
• 28218047040 is an abundant number, because the sum of its proper divisors (77653041192) is greater than itself. Its abundance is 49434994152

Bases of 28218047040

• Binary: 11010010001111011010011101001000000₂
• Hexadecimal: 0x691ED3A40
• Base-36: CYOAOG0

Squares and roots of 28218047040

• 28218047040 squared (28218047040²) is 796258178751652761600
• 28218047040 cubed (28218047040³) is 22468850743998866104574705664000
• The square root of 28218047040 is 167982.2819228267
• The cube root of 28218047040 is 3044.4509707631

Scales and comparisons

• 28,218,047,040 seconds is equal to 897 years, 12 weeks, 5 days, 18 hours, 24 minutes.
• To count from 1 to 28,218,047,040 would take you about one thousand, seven hundred ninety-four 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 28218047040 cubic inches would be around 253.7 feet tall.

Recreational maths with 28218047040

• 28218047040 backwards is 04074081282
• 28218047040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28218047040's digits is 36
• More coming soon!