18115825728

Names of 18115825728

• Cardinal: 18115825728 can be written as Eighteen billion, one hundred fifteen million, eight hundred twenty-five thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 1.8115825728 × 10¹⁰

Factors of 18115825728

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 96

Divisors of 18115825728

• Number of divisors d(n): 896
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 13 14 16 19 21 22 24 26 28 32 33 38 39 41 42 44 48 52 56 57 64 66 76 77 78 82 84 88 91 96 104 112 114 121 123 132 133 143 152 154 156 164 168 176 182 192 208 209 224 228 231 242 246 247 264 266 273 286 287 304 308 312 328 336 352 363 364 399 416 418 429 448 451 456 462 484 492 494 528 532 533 546 572 574 608 616 624 627 656 672 704 726 728 741 779 798 832 836 847 858 861 902 912 924 968 984 988 1001 1056 1064 1066 1092 1144 1148 1216 1232 1248 1254 1312 1331 1344 1353 1452 1456 1463 1482 1558 1573 1596 1599 1672 1694 1716 1722 1729 1804 1824 1848 1936 1968 1976 2002 2112 2128 2132 2184 2288 2296 2299 2337 2464 2496 2508 2541 2624 2662 2706 2717 2904 2912 2926 2964 3003 3116 3146 3157 3192 3198 3344 3388 3432 3444 3458 3608 3648 3696 3731 3872 3936 3952 3993 4004 4256 4264 4368 4389 4576 4592 4598 4674 4719 4928 4961 5016 5082 5187 5324 5412 5434 5453 5808 5824 5852 5863 5928 6006 6232 6292 6314 6384 6396 6688 6776 6864 6888 6897 6916 7216 7392 7462 7744 7872 7904 7986 8008 8151 8512 8528 8569 8736 8778 9152 9184 9196 9317 9348 9438 9471 9922 10032 10127 10164 10374 10648 10824 10868 10906 11011 11193 11616 11704 11726 11856 12012 12464 12584 12628 12768 12792 13376 13552 13728 13776 13794 13832 14432 14784 14883 14924 15808 15972 16016 16093 16302 16359 17056 17138 17303 17472 17556 17589 18368 18392 18634 18696 18876 18942 19019 19844 20064 20254 20328 20748 21296 21648 21736 21812 22022 22386 23232 23408 23452 23712 24024 24928 25168 25256 25289 25536 25584 25707 27104 27456 27552 27588 27664 27951 28864 29766 29848 29887 30381 31944 32032 32186 32604 32718 33033 34112 34276 34606 34727 35112 35178 36784 37268 37392 37752 37884 38038 39688 40128 40508 40656 41041 41496 42592 43296 43472 43624 44044 44772 46816 46904 47424 48048 48279 49856 50336 50512 50578 51168 51414 51909 54208 54571 55104 55176 55328 55902 57057 59532 59696 59774 59983 60762 63888 64064 64372 64493 65208 65436 66066 68552 69212 69454 70224 70356 70889 73568 74536 74784 75504 75768 75867 76076 79376 81016 81312 82082 82992 85184 86592 86944 87248 88088 89544 89661 93632 93808 94259 96096 96558 100672 101024 101156 102336 102828 103818 104181 109142 110352 110656 111397 111804 114114 119064 119392 119548 119966 121121 121524 123123 127776 128744 128986 130416 130872 132132 137104 138424 138908 140448 140712 141778 147136 149072 149568 151008 151536 151734 152152 158752 162032 162624 163713 164164 165984 173888 174496 176176 177023 179088 179322 179949 187616 188518 192192 193116 193479 202048 202312 205656 207636 208362 209209 212667 218284 220704 222794 223608 228228 238128 238784 239096 239932 242242 243048 246246 255552 257488 257972 260832 261744 264264 274208 276848 277816 280896 281424 282777 283556 298144 302016 303072 303468 304304 317504 324064 327426 328328 328757 331968 334191 348992 352352 354046 358176 358644 359898 363363 375232 377036 381997 386232 386958 404624 411312 415272 416724 418418 425334 436568 441408 445588 447216 451451 456456 476256 478192 479864 484484 486096 492492 514976 515944 521664 523488 528528 531069 548416 553696 555632 562848 565554 567112 596288 606144 606936 608608 627627 648128 654852 656656 657514 659813 668382 704704 708092 709423 716352 717288 719796 726726 754072 763994 772464 773916 779779 809248 822624 830544 833448 836836 850668 873136 891176 894432 902902 912912 952512 956384 959728 968968 972192 984984 986271 1029952 1031888 1036849 1046976 1057056 1062138 1107392 1111264 1125696 1131108 1134224 1145991 1213872 1217216 1225367 1255254 1309704 1313312 1315028 1319626 1336764 1354353 1416184 1418846 1434576 1439592 1453452 1508144 1527988 1544928 1547832 1559558 1618496 1645248 1661088 1666896 1673672 1701336 1746272 1782352 1788864 1805804 1825824 1912768 1919456 1937936 1944384 1969968 1972542 1979439 2063776 2073698 2114112 2124276 2128269 2222528 2262216 2268448 2291982 2301299 2339337 2427744 2450734 2510508 2619408 2626624 2630056 2639252 2673528 2708706 2832368 2837692 2869152 2879184 2906904 3016288 3055976 3089856 3095664 3110547 3119116 3322176 3333792 3347344 3402672 3492544 3564704 3611608 3651648 3676101 3838912 3875872 3939936 3945084 3958878 4127552 4147396 4248552 4256538 4524432 4536896 4583964 4602598 4678674 4855488 4901468 4965961 5021016 5238816 5260112 5278504 5347056 5417412 5664736 5675384 5738304 5758368 5813808 6032576 6111952 6191328 6221094 6238232 6667584 6694688 6805344 6903897 7129408 7223216 7257943 7352202 7751744 7879872 7890168 7917756 8294792 8497104 8513076 8577569 9048864 9167928 9205196 9357348 9802936 9931922 10042032 10477632 10520224 10557008 10694112 10834824 11329472 11350768 11516736 11627616 12223904 12382656 12442188 12476464 13389376 13479037 13610688 13807794 14446432 14515886 14704404 14897883 15780336 15835512 16589584 16994208 17026152 17155138 18097728 18335856 18410392 18714696 19605872 19863844 20084064 21040448 21114016 21388224 21669648 21773829 22701536 23255232 24447808 24884376 24952928 25732707 26958074 27615588 28892864 29031772 29408808 29795766 31560672 31671024 33179168 33988416 34052304 34310276 36671712 36820784 37429392 39211744 39727688 40168128 40437111 42228032 43339296 43547658 45403072 49768752 49905856 51465414 53916148 55231176 58063544 58817616 59591532 63121344 63342048 66358336 68104608 68620552 73343424 73641568 74858784 78423488 79455376 80874222 86678592 87095316 94353259 99537504 102930828 107832296 110462352 116127088 117635232 119183064 126684096 136209216 137241104 147283136 149717568 158910752 161748444 174190632 188706518 199075008 205861656 215664592 220924704 232254176 235270464 238366128 274482208 283059777 317821504 323496888 348381264 377413036 411723312 431329184 441849408 464508352 476732256 548964416 566119554 646993776 696762528 754826072 823446624 862658368 953464512 1132239108 1293987552 1393525056 1509652144 1646893248 2264478216 2587975104 3019304288 4528956432 6038608576 9057912864 18115825728
• Sum of all divisors σ(n): 69968424960
• Sum of proper divisors (its aliquot sum) s(n): 51852599232
• 18115825728 is an abundant number, because the sum of its proper divisors (51852599232) is greater than itself. Its abundance is 33736773504

Bases of 18115825728

• Binary: 10000110111110010011001000001000000₂
• Hexadecimal: 0x437C99040
• Base-36: 8BLP0LC

Squares and roots of 18115825728

• 18115825728 squared (18115825728²) is 328183141807266729984
• 18115825728 cubed (18115825728³) is 5945308603847955044402576228352
• The square root of 18115825728 is 134595.0434748621
• The cube root of 18115825728 is 2626.3506628813

Scales and comparisons

• 18,115,825,728 seconds is equal to 576 years, 1 week, 2 days, 21 hours, 48 minutes, 48 seconds.
• To count from 1 to 18,115,825,728 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 18115825728 cubic inches would be around 218.9 feet tall.

Recreational maths with 18115825728

• 18115825728 backwards is 82752851181
• 18115825728 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18115825728's digits is 48
• More coming soon!