19428111990
19,428,111,990 is an even composite number composed of eight prime numbers multiplied together.
19428111990 is an even composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 19428111990:
2 × 32 × 5 × 7 × 19 × 31 × 41 × 1277
(2 × 3 × 3 × 5 × 7 × 19 × 31 × 41 × 1277)See below for interesting mathematical facts about the number 19428111990 from the Numbermatics database.
Names of 19428111990
- Cardinal: 19428111990 can be written as Nineteen billion, four hundred twenty-eight million, one hundred eleven thousand, nine hundred ninety.
Scientific notation
- Scientific notation: 1.942811199 × 1010
Factors of 19428111990
Divisors of 19428111990
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 14 15 18 19 21 30 31 35 38 41 42 45 57 62 63 70 82 90 93 95 105 114 123 126 133 155 171 186 190 205 210 217 246 266 279 285 287 310 315 342 369 399 410 434 465 558 570 574 589 615 630 651 665 738 779 798 855 861 930 1085 1178 1197 1230 1271 1277 1302 1330 1395 1435 1558 1710 1722 1767 1845 1953 1995 2170 2337 2394 2542 2554 2583 2790 2870 2945 3255 3534 3690 3813 3831 3895 3906 3990 4123 4305 4674 5166 5301 5453 5890 5985 6355 6385 6510 7011 7626 7662 7790 8246 8610 8835 8897 8939 9765 10602 10906 11439 11493 11685 11970 12369 12710 12770 12915 14022 16359 17670 17794 17878 19065 19155 19530 20615 22878 22986 23370 24149 24263 24738 25830 26505 26691 26817 27265 32718 35055 37107 38130 38310 39587 41230 44485 44695 48298 48526 49077 52357 53010 53382 53634 54530 57195 57465 61845 70110 72447 72789 74214 79174 80073 80451 81795 88970 89390 98154 104714 114390 114930 118761 120745 121315 123690 133455 134085 144894 145578 157071 160146 160902 163590 169043 169841 185535 197935 217341 218367 237522 241490 242630 245385 261785 266910 268170 277109 314142 338086 339682 356283 362235 363945 366499 371070 395870 400365 402255 434682 436734 471213 490770 507129 509523 523570 554218 593805 712566 724470 727890 732998 752153 785355 800730 804510 831327 845215 849205 942426 994783 1014258 1019046 1086705 1091835 1099497 1187610 1385545 1504306 1521387 1528569 1570710 1623067 1662654 1690430 1698410 1781415 1832495 1989566 2173410 2183670 2198994 2256459 2356065 2493981 2535645 2547615 2771090 2984349 3042774 3057138 3246134 3298491 3562830 3664990 3760765 4156635 4512918 4712130 4869201 4973915 4987962 5071290 5095230 5265071 5497485 5968698 6596982 6769377 6963481 7521530 7606935 7642845 8115335 8313270 8953047 9738402 9947830 10530142 10994970 11282295 11361469 12469905 13538754 13926962 14607603 14921745 15213870 15285690 15795213 16230670 16492455 17906094 20890443 22564590 22722938 24346005 24939810 26325355 29215206 29843490 30838273 31590426 32984910 33846885 34084407 34817405 41780886 44765235 47385639 48692010 52650710 56807345 61676546 62671329 67693770 68168814 69634810 73038015 78976065 89530470 92514819 94771278 102253221 104452215 113614690 125342658 146076030 154191365 157952130 170422035 185029638 204506442 208904430 215867911 236928195 277544457 308382730 313356645 340844070 431735822 462574095 473856390 511266105 555088914 626713290 647603733 925148190 1022532210 1079339555 1295207466 1387722285 1942811199 2158679110 2775444570 3238018665 3885622398 6476037330 9714055995 19428111990
- Sum of all divisors σ(n): 64308142080
- Sum of proper divisors (its aliquot sum) s(n): 44880030090
- 19428111990 is an abundant number, because the sum of its proper divisors (44880030090) is greater than itself. Its abundance is 25451918100
Bases of 19428111990
- Binary: 100100001100000000101110110011101102
- Hexadecimal: 0x486017676
- Base-36: 8XAZV5I
Squares and roots of 19428111990
- 19428111990 squared (194281119902) is 377451535495981760100
- 19428111990 cubed (194281119903) is 7333170702413393830220113599000
-
The
square root of 19428111990 is 139384.7624024951 -
The
cube root of 19428111990 is 2688.2946396241
Scales and comparisons
How big is 19428111990?- 19,428,111,990 seconds is equal to 617 years, 39 weeks, 1 day, 9 hours, 46 minutes, 30 seconds.
-
To count from 1 to 19,428,111,990 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 19428111990 cubic inches would be around 224 feet tall.
Recreational maths with 19428111990
- 19428111990 backwards is 09911182491
- 19428111990 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 19428111990's digits is 45
- More coming soon!
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The information we have on file for 19428111990 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
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