28789000020

Names of 28789000020

• Cardinal: 28789000020 can be written as Twenty-eight billion, seven hundred eighty-nine million and twenty.

Scientific notation

• Scientific notation: 2.878900002 × 10¹⁰

Factors of 28789000020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 346

Divisors of 28789000020

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 9 10 11 12 15 18 20 22 27 30 31 33 36 44 45 54 55 60 61 62 66 90 93 99 108 110 121 122 124 132 135 155 165 180 183 186 198 220 233 242 244 270 279 297 305 310 330 341 363 366 372 396 465 466 484 495 540 549 558 594 605 610 620 660 671 682 699 726 732 837 915 930 932 990 1023 1089 1098 1116 1165 1188 1210 1220 1342 1364 1395 1398 1452 1485 1647 1674 1705 1815 1830 1860 1891 1980 2013 2046 2097 2178 2196 2330 2420 2563 2684 2745 2790 2796 2970 3069 3267 3294 3348 3355 3410 3495 3630 3660 3751 3782 4026 4092 4185 4194 4356 4660 5115 5126 5445 5490 5580 5673 5940 6039 6138 6291 6534 6588 6710 6820 6990 7223 7260 7381 7502 7564 7689 8052 8235 8370 8388 9207 9455 10065 10230 10252 10485 10890 10980 11253 11346 12078 12276 12582 12815 13068 13420 13980 14213 14446 14762 15004 15345 15378 16335 16470 16740 17019 18117 18414 18755 18910 20130 20460 20801 20970 21669 21780 22143 22506 22692 23067 24156 25164 25630 28193 28365 28426 28892 29524 30195 30690 30756 31455 32670 32940 33759 34038 36115 36234 36828 36905 37510 37820 38445 40260 41602 41940 42639 43338 44286 45012 46035 46134 51057 51260 56265 56386 56730 56852 60390 61380 62403 62910 65007 65340 66429 67518 68076 69201 71065 72230 72468 73810 75020 76890 79453 83204 84579 85095 85278 86676 88572 90585 92070 92268 101277 102114 104005 108345 110715 112530 112772 113460 115335 120780 124806 125820 127917 130014 132858 135036 138402 140965 142130 144460 147620 153780 156343 158906 168795 169158 170190 170556 181170 184140 187209 195021 199287 202554 204228 208010 213195 216690 221430 225060 228811 230670 238359 249612 253737 255285 255834 260028 265716 276804 281930 284260 312015 312686 317812 325035 332145 337590 338316 340380 346005 362340 374418 383751 390042 397265 398574 405108 416020 422895 426390 433380 440603 442860 457622 461340 469029 476718 506385 507474 510570 511668 561627 563860 624030 625372 639585 650070 664290 675180 686433 692010 715077 748836 761211 767502 780084 781715 794530 797148 845790 852780 873983 881206 915244 936045 938058 953436 975105 996435 1012770 1014948 1021140 1123254 1144055 1191795 1248060 1268685 1279170 1300140 1321809 1328580 1372866 1384020 1407087 1430154 1522422 1535004 1563430 1589060 1691580 1719773 1747966 1762412 1872090 1876116 1918755 1950210 1992870 2025540 2059299 2145231 2203015 2246508 2288110 2345145 2383590 2537370 2558340 2621949 2643618 2745732 2808135 2814174 2860308 3044844 3126860 3432165 3439546 3495932 3575385 3744180 3806055 3837510 3900420 3965427 3985740 4118598 4221261 4290462 4369915 4406030 4576220 4690290 4767180 4846633 5074740 5159319 5243898 5287236 5616270 5628348 6177897 6609045 6864330 6879092 7035435 7150770 7612110 7675020 7865847 7930854 8237196 8442522 8580924 8598865 8739830 8812060 9380580 9693266 10296495 10318638 10487796 10726155 11232540 11896281 12355794 13109745 13218090 13728660 14070870 14301540 14539899 15224220 15477957 15731694 15861708 16885044 17197730 17479660 19386532 19827135 20592990 20637276 21106305 21452310 23597541 23792562 24233165 24711588 25796595 26219490 26436180 28141740 29079798 30889485 30955914 31463388 34395460 39329235 39654270 41185980 42212610 42904620 43619697 46433871 47195082 47585124 48466330 51593190 52438980 53312963 58159596 59481405 61778970 61911828 72699495 77389785 78658470 79308540 84425220 87239394 92867742 94390164 96932660 103186380 106625926 117987705 118962810 123557940 130859091 145398990 154779570 157316940 159938889 174478788 185735484 213251852 218098485 232169355 235975410 237925620 261718182 266564815 290797980 309559140 319877778 436196970 464338710 471950820 479816667 523436364 533129630 639755556 654295455 799694445 872393940 928677420 959633334 1066259260 1308590910 1439450001 1599388890 1919266668 2399083335 2617181820 2878900002 3198777780 4798166670 5757800004 7197250005 9596333340 14394500010 28789000020
• Sum of all divisors σ(n): 103733360640
• Sum of proper divisors (its aliquot sum) s(n): 74944360620
• 28789000020 is an abundant number, because the sum of its proper divisors (74944360620) is greater than itself. Its abundance is 46155360600

Bases of 28789000020

• Binary: 11010110011111101010100011101010100₂
• Hexadecimal: 0x6B3F54754
• Base-36: D8486L0

Squares and roots of 28789000020

• 28789000020 squared (28789000020²) is 828806522151560000400
• 28789000020 cubed (28789000020³) is 23860510982797391294546800008000
• The square root of 28789000020 is 169673.2153876975
• The cube root of 28789000020 is 3064.8474304149

Scales and comparisons

• 28,789,000,020 seconds is equal to 915 years, 20 weeks, 6 days, 27 minutes.
• To count from 1 to 28,789,000,020 would take you about one thousand, eight hundred thirty 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 28789000020 cubic inches would be around 255.4 feet tall.

Recreational maths with 28789000020

• 28789000020 backwards is 02000098782
• 28789000020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28789000020's digits is 36
• More coming soon!