18125121168

Names of 18125121168

• Cardinal: 18125121168 can be written as Eighteen billion, one hundred twenty-five million, one hundred twenty-one thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 1.8125121168 × 10¹⁰

Factors of 18125121168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 54

Divisors of 18125121168

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 31 33 36 42 44 48 49 54 56 62 63 66 72 77 81 84 88 93 98 99 108 112 124 126 132 144 147 154 162 168 176 186 189 196 198 216 217 231 243 248 252 264 279 294 297 308 324 336 341 372 378 392 396 432 434 441 462 486 496 504 528 539 558 567 588 594 616 648 651 682 693 729 744 756 784 792 837 868 882 891 924 961 972 1008 1023 1078 1116 1134 1176 1188 1232 1296 1302 1323 1364 1386 1458 1488 1512 1519 1584 1617 1674 1701 1736 1764 1782 1848 1922 1944 1953 2046 2079 2156 2187 2232 2268 2352 2376 2387 2511 2604 2646 2673 2728 2772 2883 2916 3024 3038 3069 3234 3348 3402 3472 3528 3564 3696 3844 3888 3906 3969 4092 4158 4312 4374 4464 4536 4557 4752 4774 4851 5022 5103 5208 5292 5346 5456 5544 5766 5832 5859 6076 6138 6237 6468 6696 6727 6804 7056 7128 7161 7533 7688 7812 7938 8019 8184 8316 8624 8649 8748 9072 9114 9207 9548 9702 10044 10206 10416 10571 10584 10692 11088 11532 11664 11718 11907 12152 12276 12474 12936 13392 13454 13608 13671 14256 14322 14553 15066 15309 15376 15624 15876 16038 16368 16632 16709 17298 17496 17577 18228 18414 18711 19096 19404 20088 20181 20412 21142 21168 21384 21483 22599 23064 23436 23814 24057 24304 24552 24948 25872 25947 26908 27216 27342 27621 28644 29106 30132 30618 31248 31713 31752 32076 33264 33418 34596 34992 35154 35721 36456 36828 37422 38192 38808 40176 40362 40824 41013 42284 42768 42966 43659 45198 46128 46872 47089 47628 48114 49104 49896 50127 51894 52731 53816 54684 55242 56133 57288 58212 60264 60543 61236 63426 63504 64152 64449 66836 67797 69192 70308 71442 72912 73656 73997 74844 77616 77841 80724 81648 82026 82863 84568 85932 87318 90396 93744 94178 95139 95256 96228 99792 100254 103788 105462 107163 107632 109368 110484 112266 114576 116424 120528 121086 122472 123039 126852 128304 128898 130977 133672 135594 138384 140616 141267 142884 147312 147994 149688 150381 155682 158193 161448 164052 165726 168399 169136 171864 174636 180792 181629 188356 190278 190512 192456 193347 200508 207576 210924 214326 218736 220968 221991 224532 232848 233523 242172 244944 246078 248589 253704 257796 261954 267344 271188 281232 282534 285417 285768 295988 299376 300762 311364 316386 322896 328104 331452 336798 343728 349272 361584 363258 369117 376712 380556 384912 386694 392931 401016 415152 421848 423801 428652 441936 443982 449064 451143 467046 474579 484344 492156 497178 507408 515592 517979 523908 542376 544887 565068 570834 571536 580041 591976 601524 622728 632772 656208 662904 665973 673596 698544 700569 726516 738234 745767 753424 761112 773388 785862 802032 843696 847602 856251 857304 887964 898128 902286 934092 949158 968688 984312 994356 1031184 1035958 1047816 1084752 1089774 1107351 1130136 1141668 1160082 1178793 1183952 1203048 1245456 1265544 1271403 1325808 1331946 1347192 1353429 1401138 1453032 1476468 1491534 1522224 1546776 1553937 1571724 1634661 1695204 1712502 1714608 1740123 1775928 1804572 1868184 1898316 1968624 1988712 1997919 2071916 2095632 2101707 2179548 2214702 2260272 2283336 2320164 2357586 2406096 2531088 2542806 2568753 2663892 2694384 2706858 2802276 2906064 2952936 2983068 3093552 3107874 3143448 3269322 3322053 3390408 3425004 3480246 3551856 3609144 3736368 3796632 3814209 3977424 3995838 4060287 4143832 4203414 4359096 4429404 4566672 4640328 4661811 4715172 4903983 5085612 5137506 5220369 5327784 5413716 5604552 5905872 5966136 5993757 6215748 6286896 6538644 6644106 6780816 6850008 6960492 7218288 7593264 7628418 7706259 7991676 8120574 8287664 8406828 8718192 8858808 9280656 9323622 9430344 9807966 10171224 10275012 10440738 10655568 10827432 11209104 11442627 11932272 11987514 12180861 12431496 13077288 13288212 13700016 13920984 13985433 14711949 15256836 15412518 15983352 16241148 16813656 17717616 17981271 18647244 18860688 19615932 20342448 20550024 20881476 21654864 22885254 23118777 23975028 24361722 24862992 26154576 26576424 27841968 27970866 29423898 30513672 30825036 31966704 32482296 33627312 34327881 35962542 36542583 37294488 39231864 41100048 41762952 41956299 45770508 46237554 47950056 48723444 53152848 53943813 55941732 58847796 61027344 61650072 64964592 68655762 71925084 73085166 74588976 78463728 83525904 83912598 91541016 92475108 95900112 97446888 102983643 107887626 111883464 117695592 123300144 125868897 137311524 143850168 146170332 161831439 167825196 183082032 184950216 194893776 205967286 215775252 223766928 235391184 251737794 274623048 287700336 292340664 323662878 335650392 369900432 377606691 411934572 431550504 503475588 549246096 584681328 647325756 671300784 755213382 823869144 863101008 1006951176 1132820073 1294651512 1510426764 1647738288 2013902352 2265640146 2589303024 3020853528 4531280292 6041707056 9062560584 18125121168
• Sum of all divisors σ(n): 69062276160
• Sum of proper divisors (its aliquot sum) s(n): 50937154992
• 18125121168 is an abundant number, because the sum of its proper divisors (50937154992) is greater than itself. Its abundance is 32812033824

Bases of 18125121168

• Binary: 10000111000010101110110011010010000₂
• Hexadecimal: 0x438576690
• Base-36: 8BR8900

Squares and roots of 18125121168

• 18125121168 squared (18125121168²) is 328520017354681684224
• 18125121168 cubed (18125121168³) is 5954465120667068358630314053632
• The square root of 18125121168 is 134629.5701842653
• The cube root of 18125121168 is 2626.7997897207

Scales and comparisons

• 18,125,121,168 seconds is equal to 576 years, 16 weeks, 5 days, 11 hours, 52 minutes, 48 seconds.
• To count from 1 to 18,125,121,168 would take you about one thousand, one hundred fifty-two 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 18125121168 cubic inches would be around 218.9 feet tall.

Recreational maths with 18125121168

• 18125121168 backwards is 86112152181
• 18125121168 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18125121168's digits is 36
• More coming soon!