16421868918
16,421,868,918 is an even composite number composed of six prime numbers multiplied together.
16421868918 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty-four divisors.
Prime factorization of 16421868918:
2 × 32 × 72 × 132 × 292 × 131
(2 × 3 × 3 × 7 × 7 × 13 × 13 × 29 × 29 × 131)See below for interesting mathematical facts about the number 16421868918 from the Numbermatics database.
Names of 16421868918
- Cardinal: 16421868918 can be written as Sixteen billion, four hundred twenty-one million, eight hundred sixty-eight thousand, nine hundred eighteen.
Scientific notation
- Scientific notation: 1.6421868918 × 1010
Factors of 16421868918
Divisors of 16421868918
- Number of divisors d(n): 324
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Complete list of divisors:
1 2 3 6 7 9 13 14 18 21 26 29 39 42 49 58 63 78 87 91 98 117 126 131 147 169 174 182 203 234 261 262 273 294 338 377 393 406 441 507 522 546 609 637 754 786 819 841 882 917 1014 1131 1179 1183 1218 1274 1421 1521 1638 1682 1703 1827 1834 1911 2262 2358 2366 2523 2639 2751 2842 3042 3393 3406 3549 3654 3799 3822 4263 4901 5046 5109 5278 5502 5733 5887 6419 6786 7098 7569 7598 7917 8253 8281 8526 9802 10218 10647 10933 11397 11466 11774 11921 12789 12838 14703 15138 15327 15834 16506 16562 17661 18473 19257 21294 21866 22139 22794 23751 23842 24843 25578 26593 29406 30654 32799 34191 34307 35322 35763 36946 38514 41209 44109 44278 47502 49387 49686 52983 53186 55419 57771 65598 66417 68382 68614 71526 74529 76531 79779 82418 83447 88218 98397 98774 102921 105966 107289 110171 110838 115542 123627 132834 142129 148161 149058 153062 154973 159558 166257 166894 186151 196794 199251 205842 214578 220342 229593 239337 240149 247254 250341 284258 296322 308763 309946 330513 332514 345709 370881 372302 398502 426387 444483 459186 464919 478674 480298 500682 535717 558453 617526 642031 661026 688779 691418 720447 741762 751023 771197 852774 888966 929838 991539 994903 1037127 1071434 1084811 1116906 1279161 1284062 1377558 1394757 1432223 1440894 1502046 1542394 1607151 1675359 1926093 1983078 1989806 2074254 2161341 2169622 2313591 2419963 2558322 2789514 2864446 2984709 3111381 3214302 3254433 3350718 3852186 4296669 4322682 4494217 4627182 4821453 4839926 5398379 5778279 5969418 6222762 6508866 6940773 6964321 7259889 8593338 8954127 8988434 9642906 9763299 10025561 10796758 11556558 12890007 13482651 13881546 13928642 14519778 16195137 17908254 18618899 19526598 20051122 20892963 21779667 25780014 26965302 30076683 31459519 32390274 37237798 40447953 41785926 43559334 48585411 55856697 60153366 62678889 62919038 70178927 80895906 90230049 94378557 97170822 111713394 125357778 130332293 140357854 167570091 180460098 188757114 210536781 260664586 283135671 335140182 390996879 421073562 566271342 631610343 781993758 912326051 1172990637 1263220686 1824652102 2345981274 2736978153 5473956306 8210934459 16421868918
- Sum of all divisors σ(n): 46771644348
- Sum of proper divisors (its aliquot sum) s(n): 30349775430
- 16421868918 is an abundant number, because the sum of its proper divisors (30349775430) is greater than itself. Its abundance is 13927906512
Bases of 16421868918
- Binary: 11110100101101000111010101011101102
- Hexadecimal: 0x3D2D1D576
- Base-36: 7JL5N5I
Squares and roots of 16421868918
- 16421868918 squared (164218689182) is 269677778759974490724
- 16421868918 cubed (164218689183) is 4428613132893705671693334916632
-
The
square root of 16421868918 is 128147.8400832415 -
The
cube root of 16421868918 is 2541.7969860709
Scales and comparisons
How big is 16421868918?- 16,421,868,918 seconds is equal to 522 years, 8 weeks, 3 days, 22 hours, 15 minutes, 18 seconds.
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To count from 1 to 16,421,868,918 would take you about one thousand and forty-four 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 16421868918 cubic inches would be around 211.8 feet tall.
Recreational maths with 16421868918
- 16421868918 backwards is 81986812461
- The number of decimal digits it has is: 11
- The sum of 16421868918's digits is 54
- More coming soon!
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