18109721448
18,109,721,448 is an even composite number composed of six prime numbers multiplied together.
18109721448 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of four hundred eighty divisors.
Prime factorization of 18109721448:
23 × 34 × 72 × 13 × 73 × 601
(2 × 2 × 2 × 3 × 3 × 3 × 3 × 7 × 7 × 13 × 73 × 601)See below for interesting mathematical facts about the number 18109721448 from the Numbermatics database.
Names of 18109721448
- Cardinal: 18109721448 can be written as Eighteen billion, one hundred nine million, seven hundred twenty-one thousand, four hundred forty-eight.
Scientific notation
- Scientific notation: 1.8109721448 × 1010
Factors of 18109721448
Divisors of 18109721448
- Number of divisors d(n): 480
-
Complete list of divisors:
1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 27 28 36 39 42 49 52 54 56 63 72 73 78 81 84 91 98 104 108 117 126 146 147 156 162 168 182 189 196 216 219 234 252 273 292 294 312 324 351 364 378 392 438 441 468 504 511 546 567 584 588 601 637 648 657 702 728 756 819 876 882 936 949 1022 1053 1092 1134 1176 1202 1274 1314 1323 1404 1512 1533 1638 1752 1764 1803 1898 1911 1971 2044 2106 2184 2268 2404 2457 2548 2628 2646 2808 2847 3066 3276 3528 3577 3606 3796 3822 3942 3969 4088 4207 4212 4536 4599 4808 4914 5096 5256 5292 5409 5694 5733 5913 6132 6552 6643 7154 7212 7371 7592 7644 7813 7884 7938 8414 8424 8541 9198 9828 10584 10731 10818 11388 11466 11826 12264 12621 13286 13797 14308 14424 14742 15288 15626 15768 15876 16227 16828 17082 17199 18396 19656 19929 21462 21636 22776 22932 23439 23652 25242 25623 26572 27594 28616 29449 29484 31252 31752 32193 32454 33656 34164 34398 36792 37863 39858 41391 42924 43272 43873 45864 46501 46878 47304 48681 50484 51246 51597 53144 54691 55188 58898 58968 59787 62504 64386 64908 68328 68796 70317 75726 76869 79716 82782 85848 87746 88347 93002 93756 96579 97362 100968 102492 103194 109382 110376 113589 117796 119574 128772 129816 131619 137592 139503 140634 151452 153738 159432 164073 165564 175492 176694 179361 186004 187512 193158 194724 204984 206388 210951 218764 227178 235592 239148 257544 263238 265041 279006 281268 289737 302904 307111 307476 328146 331128 340767 350984 353388 358722 372008 382837 386316 389448 394857 412776 418509 421902 437528 454356 478296 492219 526476 530082 538083 558012 562536 570349 579474 614222 614952 632853 656292 681534 706776 717444 765674 772632 789714 795123 837018 843804 908712 921333 984438 1052952 1060164 1076166 1116024 1140698 1148511 1158948 1184571 1228444 1255527 1265706 1312584 1363068 1434888 1476657 1531348 1579428 1590246 1674036 1687608 1711047 1842666 1968876 2120328 2149777 2152332 2281396 2297022 2317896 2369142 2385369 2456888 2511054 2531412 2726136 2763999 2953314 3062696 3158856 3180492 3348072 3422094 3445533 3553713 3685332 3766581 3937752 3992443 4299554 4304664 4429971 4562792 4594044 4738284 4770738 5022108 5062824 5133141 5527998 5906628 6360984 6449331 6844188 6891066 7107426 7370664 7533162 7984886 8291997 8599108 8859942 9188088 9476568 9541476 10044216 10266282 10336599 11055996 11813256 11977329 12898662 13688376 13782132 14214852 15066324 15399423 15969772 16583994 17198216 17719884 19082952 19347993 20532564 20673198 22111992 23954658 24875991 25797324 27564264 27947101 28429704 30132648 30798846 31009797 31939544 33167988 35439768 35931987 38695986 41065128 41346396 46198269 47909316 49751982 51594648 55894202 58043979 61597692 62019594 66335976 71863974 77391972 82692792 83841303 92396538 95818632 99503964 107795961 111788404 116087958 123195384 124039188 143727948 154783944 167682606 174131937 184793076 199007928 215591922 223576808 232175916 248078376 251523909 287455896 323387883 335365212 348263874 369586152 431183844 464351832 503047818 646775766 670730424 696527748 754571727 862367688 1006095636 1293551532 1393055496 1509143454 2012191272 2263715181 2587103064 3018286908 4527430362 6036573816 9054860724 18109721448
- Sum of all divisors σ(n): 64521986760
- Sum of proper divisors (its aliquot sum) s(n): 46412265312
- 18109721448 is an abundant number, because the sum of its proper divisors (46412265312) is greater than itself. Its abundance is 28302543864
Bases of 18109721448
- Binary: 100001101110110110001101011011010002
- Hexadecimal: 0x4376C6B68
- Base-36: 8BI26I0
Squares and roots of 18109721448
- 18109721448 squared (181097214482) is 327962010924151216704
- 18109721448 cubed (181097214483) is 5939300663362311590339724667392
-
The
square root of 18109721448 is 134572.3650977421 -
The
cube root of 18109721448 is 2626.0556394195
Scales and comparisons
How big is 18109721448?- 18,109,721,448 seconds is equal to 575 years, 43 weeks, 2 days, 6 hours, 10 minutes, 48 seconds.
-
To count from 1 to 18,109,721,448 would take you about one thousand, one hundred fifty-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 18109721448 cubic inches would be around 218.8 feet tall.
Recreational maths with 18109721448
- 18109721448 backwards is 84412790181
- The number of decimal digits it has is: 11
- The sum of 18109721448's digits is 45
- More coming soon!
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