28439016840

Names of 28439016840

• Cardinal: 28439016840 can be written as Twenty-eight billion, four hundred thirty-nine million, sixteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.843901684 × 10¹⁰

Factors of 28439016840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 254

Divisors of 28439016840

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 18 19 20 24 26 27 30 31 36 38 39 40 45 52 54 57 60 62 65 72 76 78 90 93 95 104 108 114 117 120 124 130 135 152 155 156 171 180 181 186 190 195 216 228 234 247 248 260 270 279 285 310 312 342 351 360 361 362 372 380 390 403 456 465 468 494 513 520 540 543 558 570 585 589 620 684 702 722 724 741 744 760 780 806 837 855 905 930 936 988 1026 1080 1083 1086 1116 1140 1170 1178 1209 1235 1240 1368 1395 1404 1444 1448 1482 1560 1612 1629 1674 1710 1755 1767 1805 1810 1860 1976 2015 2052 2166 2172 2223 2232 2280 2340 2353 2356 2418 2470 2565 2715 2790 2808 2888 2945 2964 3224 3249 3258 3348 3420 3439 3510 3534 3610 3620 3627 3705 3720 4030 4104 4185 4332 4344 4446 4680 4693 4706 4712 4836 4887 4940 5130 5301 5415 5430 5580 5611 5890 5928 6045 6498 6516 6669 6696 6840 6878 7020 7059 7068 7220 7240 7254 7410 7657 8060 8145 8370 8664 8835 8892 9386 9412 9672 9747 9774 9880 10260 10317 10602 10830 10860 10881 11115 11160 11191 11222 11765 11780 12090 12996 13032 13338 13756 14040 14079 14118 14136 14440 14508 14820 15314 15903 16120 16245 16290 16740 16833 17195 17670 17784 18135 18772 18824 19494 19548 20520 20634 21177 21204 21660 21720 21762 22230 22382 22444 22971 23465 23530 23560 24180 24435 25992 26505 26676 27512 28055 28158 28236 29016 29640 30628 30951 31806 32490 32580 33345 33480 33573 33666 34390 35295 35340 36270 37544 38285 38988 39096 41268 42237 42354 42408 43320 43524 44460 44707 44764 44888 45942 46930 47060 48360 48735 48870 50499 51585 53010 53352 54405 55955 56110 56316 56472 61256 61902 63531 63612 64980 65160 65341 66690 67146 67332 68780 68913 70395 70590 70680 72540 72943 76570 77976 79515 82536 84165 84474 84708 87048 88920 89414 89528 91884 92853 93860 94120 97470 97740 100719 100998 103170 105885 106020 106609 108810 111910 112220 112632 114855 123804 126711 127062 127224 129960 130682 133380 134121 134292 134664 137560 137826 140790 141180 145080 145483 145886 151497 153140 154755 159030 167865 168330 168948 169416 178828 183768 185706 187720 194940 195480 196023 201438 201996 206340 206739 211185 211770 212040 213218 217620 218829 223535 223820 224440 229710 247608 252495 253422 254124 261364 266760 268242 268584 275652 281580 282360 290966 291772 302157 302994 306280 309510 317655 318060 319827 326705 335730 336660 337896 344565 357656 364715 371412 389880 392046 402363 402876 403992 412680 413478 422370 423540 426436 435240 436449 437658 447070 447640 459420 464265 503595 504990 506844 508248 522728 533045 536484 551304 563160 581932 583544 588069 604314 605988 619020 633555 635310 636120 639654 653410 656487 670605 671460 673320 689130 727415 729430 742824 757485 784092 804726 805752 826956 844740 847080 849433 852872 872898 875316 894140 918840 928530 959481 980115 1007190 1009980 1013688 1033695 1066090 1072968 1094145 1163864 1176138 1207089 1208628 1211976 1238040 1267110 1270620 1279308 1306820 1309347 1312974 1341210 1342920 1378260 1385917 1454830 1458860 1510785 1514970 1568184 1599135 1609452 1653912 1689480 1698866 1745796 1750632 1764207 1788280 1857060 1918962 1960230 1969461 2011815 2014380 2019960 2025571 2067390 2132180 2182245 2188290 2352276 2414178 2417256 2534220 2541240 2548299 2558616 2613640 2618694 2625948 2682420 2756520 2771834 2878443 2909660 2917720 2940345 3021570 3029940 3198270 3218904 3282435 3397732 3491592 3528414 3714120 3837924 3920460 3928041 3938922 4023630 4028760 4051142 4134780 4157751 4247165 4264360 4364490 4376580 4704552 4797405 4828356 5068440 5096598 5237388 5251896 5364840 5543668 5756886 5819320 5880690 6035445 6043140 6059880 6076713 6396540 6546735 6564870 6795464 6929585 7056828 7644897 7675848 7840920 7856082 7877844 8047260 8102284 8269560 8315502 8494330 8728980 8753160 8821035 9594810 9656712 9847305 10127855 10193196 10474776 11087336 11513772 11761380 12070890 12086280 12153426 12473253 12741495 12793080 13093470 13129740 13859170 14113656 14392215 15289794 15712164 15755688 16094520 16204568 16631004 16988660 17457960 17642070 18230139 19189620 19640205 19694610 20255710 20386392 20788755 22934691 23027544 23522760 24141780 24306852 24946506 25482990 26186940 26259480 26332423 27718340 28784430 30383565 30579588 31424328 33262008 33977320 35284140 36460278 37419759 38224485 38379240 39280410 39389220 40511420 41577510 45869382 48283560 48613704 49893012 50965980 52373880 52664846 54690417 55436680 57568860 60767130 61159176 62366265 70568280 72920556 74839518 76448970 78560820 78778440 78997269 81022840 83155020 91150695 91738764 99786024 101931960 105329692 109380834 114673455 115137720 121534260 124732530 131662115 145841112 149679036 152897940 157121640 157994538 166310040 182301390 183477528 187098795 210659384 218761668 229346910 236991807 243068520 249465060 263324230 273452085 299358072 305795880 315989076 364602780 374197590 394986345 437523336 458693820 473983614 498930120 526648460 546904170 631978152 710975421 729205560 748395180 789972690 917387640 947967228 1053296920 1093808340 1184959035 1421950842 1496790360 1579945380 1895934456 2187616680 2369918070 2843901684 3159890760 3554877105 4739836140 5687803368 7109754210 9479672280 14219508420 28439016840
• Sum of all divisors σ(n): 111834777600
• Sum of proper divisors (its aliquot sum) s(n): 83395760760
• 28439016840 is an abundant number, because the sum of its proper divisors (83395760760) is greater than itself. Its abundance is 54956743920

Bases of 28439016840

• Binary: 11010011111000110001111010110001000₂
• Hexadecimal: 0x69F18F588
• Base-36: D2BUTU0

Squares and roots of 28439016840

• 28439016840 squared (28439016840²) is 808777678825803585600
• 28439016840 cubed (28439016840³) is 23000842027943139597410781504000
• The square root of 28439016840 is 168638.7169068835
• The cube root of 28439016840 is 3052.3771431215

Scales and comparisons

• 28,439,016,840 seconds is equal to 904 years, 14 weeks, 1 day, 6 hours, 54 minutes.
• To count from 1 to 28,439,016,840 would take you about one thousand, eight hundred 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 28439016840 cubic inches would be around 254.4 feet tall.

Recreational maths with 28439016840

• 28439016840 backwards is 04861093482
• 28439016840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28439016840's digits is 45
• More coming soon!