19428100020

Names of 19428100020

• Cardinal: 19428100020 can be written as Nineteen billion, four hundred twenty-eight million, one hundred thousand and twenty.

Scientific notation

• Scientific notation: 1.942810002 × 10¹⁰

Factors of 19428100020

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1916

Divisors of 19428100020

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 19 20 21 27 28 30 35 36 38 42 45 54 57 60 63 70 76 84 90 95 105 108 114 126 133 135 140 157 171 180 189 190 210 228 252 266 270 285 314 315 342 378 380 399 420 471 513 532 540 570 628 630 665 684 756 785 798 855 942 945 1026 1099 1140 1197 1260 1330 1413 1570 1596 1710 1723 1884 1890 1995 2052 2198 2355 2394 2565 2660 2826 2983 3140 3297 3420 3446 3591 3780 3990 4239 4396 4710 4788 5130 5169 5495 5652 5966 5985 6594 6892 7065 7182 7980 8478 8615 8949 9420 9891 10260 10338 10990 11932 11970 12061 13188 14130 14364 14915 15507 16485 16956 17230 17898 17955 19782 20676 20881 21195 21980 23940 24122 25845 26847 28260 29673 29830 31014 32737 32970 34460 35796 35910 36183 39564 41762 42390 44745 46521 48244 49455 51690 53694 59346 59660 60305 62028 62643 65474 65940 71820 72366 77535 80541 83524 84780 89490 93042 98211 98910 103380 104405 107388 108549 118692 120610 125286 130948 134235 144732 148365 155070 161082 163685 178980 180915 186084 187929 196422 197820 208810 217098 229159 232605 241220 250572 268470 270511 294633 296730 310140 313215 322164 325647 327370 361830 375858 392844 402705 417620 434196 458318 465210 491055 536940 541022 542745 563787 589266 593460 626430 651294 654740 687477 723660 751716 805410 811533 883899 916636 930420 939645 982110 1082044 1085490 1127574 1145795 1178532 1252860 1302588 1352555 1374954 1473165 1610820 1623066 1628235 1767798 1879290 1893577 1964220 2062431 2170980 2255148 2291590 2434599 2705110 2749908 2818935 2946330 3246132 3256470 3437385 3535596 3758580 3787154 4057665 4124862 4419495 4583180 4869198 5139709 5410220 5637870 5680731 5892660 6187293 6512940 6874770 7303797 7574308 8115330 8249724 8838990 9467885 9738396 10279418 10312155 11275740 11361462 12172995 12374586 13749540 14607594 15419127 16230660 17042193 17677980 18935770 20558836 20624310 22722924 24345990 24749172 25698545 28403655 29215188 30838254 30936465 34084386 35977963 36518985 37871540 41248620 46257381 48691980 51126579 51397090 56807310 61676508 61872930 68168772 71955926 73037970 77095635 85210965 92514762 102253158 102794180 107933889 113614620 123745860 138772143 143911852 146075940 154191270 170421930 179889815 185029524 204506316 215867778 231286905 255632895 277544286 308382540 323801667 340843860 359779630 431735556 462573810 511265790 539669445 555088572 647603334 693860715 719559260 925147620 971405001 1022531580 1079338890 1295206668 1387721430 1619008335 1942810002 2158677780 2775442860 3238016670 3885620004 4857025005 6476033340 9714050010 19428100020
• Sum of all divisors σ(n): 73218969600
• Sum of proper divisors (its aliquot sum) s(n): 53790869580
• 19428100020 is an abundant number, because the sum of its proper divisors (53790869580) is greater than itself. Its abundance is 34362769560

Bases of 19428100020

• Binary: 10010000110000000010100011110110100₂
• Hexadecimal: 0x4860147B4
• Base-36: 8XAZLX0

Squares and roots of 19428100020

• 19428100020 squared (19428100020²) is 377451070387124000400
• 19428100020 cubed (19428100020³) is 7333157148137105199913720008000
• The square root of 19428100020 is 139384.7194637921
• The cube root of 19428100020 is 2688.2940875221

Scales and comparisons

• 19,428,100,020 seconds is equal to 617 years, 39 weeks, 1 day, 6 hours, 27 minutes.
• To count from 1 to 19,428,100,020 would take you about one thousand, two hundred thirty-five 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 19428100020 cubic inches would be around 224 feet tall.

Recreational maths with 19428100020

• 19428100020 backwards is 02000182491
• 19428100020 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19428100020's digits is 27
• More coming soon!