19994038428

Names of 19994038428

• Cardinal: 19994038428 can be written as Nineteen billion, nine hundred ninety-four million, thirty-eight thousand, four hundred twenty-eight.

Scientific notation

• Scientific notation: 1.9994038428 × 10¹⁰

Factors of 19994038428

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 868

Divisors of 19994038428

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 12 13 14 19 21 26 28 38 39 42 52 57 67 76 78 84 91 114 133 134 156 182 201 228 247 266 268 273 361 364 399 402 469 494 532 546 722 741 757 798 804 871 938 988 1083 1092 1273 1407 1444 1482 1514 1596 1729 1742 1876 2166 2271 2527 2546 2613 2814 2964 3028 3458 3484 3819 4332 4542 4693 5054 5092 5187 5226 5299 5628 6097 6916 7581 7638 8911 9084 9386 9841 10108 10374 10452 10598 12194 14079 14383 15162 15276 15897 16549 17822 18291 18772 19682 20748 21196 24187 24388 26733 28158 28766 29523 30324 31794 32851 33098 35644 36582 39364 43149 48374 49647 50719 53466 56316 57532 59046 63588 65702 66196 68887 72561 73164 86298 96748 98553 99294 100681 101438 106932 115843 118092 131404 137774 145122 152157 169309 172596 186979 197106 198588 201362 202876 206661 231686 273277 275548 290244 302043 304314 314431 338618 347529 355033 373958 394212 402724 413322 463372 507927 546554 560937 604086 608628 628862 659347 677236 695058 710066 747916 819831 826644 943293 963661 1015854 1065099 1093108 1121874 1208172 1257724 1308853 1318694 1390116 1420132 1639662 1886586 1912939 1927322 1978041 2031708 2130198 2201017 2243748 2617706 2637388 2890983 3279324 3552601 3773172 3825878 3854644 3926559 3956082 4260396 4402034 4615429 5235412 5738817 5781966 6603051 6745627 7105202 7651756 7853118 7912164 8804068 9230858 10657803 11477634 11563932 12527593 13206102 13491254 13846287 14210404 15706236 18309559 18461716 20236881 21315606 22955268 24868207 25055186 26412204 26982508 27692574 36619118 37582779 40473762 42631212 49736414 50110372 54928677 55385148 73238236 74604621 75165558 80947524 87693151 99472828 109857354 128166913 149209242 150331116 175386302 219714708 238024267 256333826 263079453 298418484 350772604 384500739 476048534 512667652 526158906 714072801 769001478 952097068 1052317812 1428145602 1538002956 1666169869 2856291204 3332339738 4998509607 6664679476 9997019214 19994038428
• Sum of all divisors σ(n): 61585595904
• Sum of proper divisors (its aliquot sum) s(n): 41591557476
• 19994038428 is an abundant number, because the sum of its proper divisors (41591557476) is greater than itself. Its abundance is 21597519048

Bases of 19994038428

• Binary: 10010100111101111001101000010011100₂
• Hexadecimal: 0x4A7BCD09C
• Base-36: 96NXMSC

Squares and roots of 19994038428

• 19994038428 squared (19994038428²) is 399761572660340711184
• 19994038428 cubed (19994038428³) is 7992848245808566370985745378752
• The square root of 19994038428 is 141400.2773264607
• The cube root of 19994038428 is 2714.1478865253

Scales and comparisons

• 19,994,038,428 seconds is equal to 635 years, 38 weeks, 6 days, 11 hours, 33 minutes, 48 seconds.
• To count from 1 to 19,994,038,428 would take you about one thousand, two hundred seventy-one 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 19994038428 cubic inches would be around 226.2 feet tall.

Recreational maths with 19994038428

• 19994038428 backwards is 82483049991
• 19994038428 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19994038428's digits is 57
• More coming soon!