18738890352

Names of 18738890352

• Cardinal: 18738890352 can be written as Eighteen billion, seven hundred thirty-eight million, eight hundred ninety thousand, three hundred fifty-two.

Scientific notation

• Scientific notation: 1.8738890352 × 10¹⁰

Factors of 18738890352

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1053

Divisors of 18738890352

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 18 21 24 26 27 28 36 37 39 42 48 52 54 56 63 72 74 78 84 91 104 108 111 112 117 126 144 148 156 168 169 182 189 208 216 222 234 252 259 273 296 312 333 336 338 351 364 378 432 444 468 481 504 507 518 546 592 624 666 676 702 728 756 777 819 888 936 962 991 999 1008 1014 1036 1092 1183 1332 1352 1404 1443 1456 1512 1521 1554 1638 1776 1872 1924 1982 1998 2028 2072 2184 2331 2366 2457 2664 2704 2808 2886 2973 3024 3042 3108 3276 3367 3549 3848 3964 3996 4056 4144 4329 4368 4563 4662 4732 4914 5328 5616 5772 5946 6084 6216 6253 6552 6734 6937 6993 7098 7696 7928 7992 8112 8658 8919 9126 9324 9464 9828 10101 10647 11544 11892 12168 12432 12506 12883 12987 13104 13468 13874 13986 14196 15856 15984 17316 17838 18252 18648 18759 18928 19656 20202 20811 21294 23088 23784 24336 25012 25766 25974 26757 26936 27748 27972 28392 30303 31941 34632 35676 36504 36667 37296 37518 38649 39312 40404 41622 42588 43771 47568 50024 51532 51948 53514 53872 55496 55944 56277 56784 60606 62433 63882 69264 71352 73008 73334 75036 77298 80808 83244 85176 87542 90181 90909 100048 103064 103896 107028 110001 110992 111888 112554 115947 121212 124866 127764 131313 142704 146668 150072 154596 161616 166488 167479 168831 170352 175084 180362 181818 187299 206128 207792 214056 220002 225108 231894 242424 249732 255528 256669 262626 270543 293336 300144 309192 330003 332976 334958 337662 347841 350168 360724 363636 374598 393939 428112 440004 450216 463788 476671 484848 499464 502437 511056 513338 525252 541086 586672 618384 660006 669916 675324 695682 700336 721448 727272 749196 770007 787878 811629 880008 900432 927576 953342 990009 998928 1004874 1026676 1050504 1082172 1172353 1181817 1320012 1339832 1350648 1391364 1430013 1442896 1454544 1498392 1507311 1540014 1575756 1623258 1760016 1855152 1906684 1980018 2009748 2053352 2101008 2164344 2310021 2344706 2363634 2434887 2640024 2679664 2701296 2782728 2860026 2996784 3014622 3080028 3151512 3246516 3336697 3517059 3813368 3960036 4019496 4106704 4290039 4328688 4521933 4620042 4689412 4727268 4869774 5280048 5565456 5720052 6029244 6160056 6196723 6303024 6493032 6673394 6930063 7034118 7626736 7920072 8038992 8580078 9043866 9240084 9378824 9454536 9739548 10010091 10551177 11440104 12058488 12320112 12393446 12870117 12986064 13346788 13860126 14068236 15840144 17160156 18087732 18480168 18590169 18757648 18909072 19479096 20020182 21102354 22880208 24116976 24786892 25740234 26693576 27720252 28136472 30030273 31653531 34320312 36175464 36960336 37180338 38958192 40040364 42204708 43377061 49573784 51480468 53387152 55440504 55770507 56272944 60060546 63307062 68640624 72350928 74360676 80080728 84409416 86754122 90090819 99147568 102960936 110881008 111541014 120121092 126614124 130131183 148721352 160161456 167311521 168818832 173508244 180181638 205921872 223082028 240242184 253228248 260262366 297442704 334623042 347016488 360363276 390393549 446164056 480484368 506456496 520524732 669246084 694032976 720726552 780787098 892328112 1041049464 1171180647 1338492168 1441453104 1561574196 2082098928 2342361294 2676984336 3123148392 4684722588 6246296784 9369445176 18738890352
• Sum of all divisors σ(n): 68431810560
• Sum of proper divisors (its aliquot sum) s(n): 49692920208
• 18738890352 is an abundant number, because the sum of its proper divisors (49692920208) is greater than itself. Its abundance is 30954029856

Bases of 18738890352

• Binary: 10001011100111011001100011001110000₂
• Hexadecimal: 0x45CECC670
• Base-36: 8LWNGC0

Squares and roots of 18738890352

• 18738890352 squared (18738890352²) is 351146011624278683904
• 18738890352 cubed (18738890352³) is 6580086609369475678767923294208
• The square root of 18738890352 is 136890.0666666505
• The cube root of 18738890352 is 2656.1216187295

Scales and comparisons

• 18,738,890,352 seconds is equal to 595 years, 43 weeks, 4 days, 7 hours, 19 minutes, 12 seconds.
• To count from 1 to 18,738,890,352 would take you about one thousand, one hundred ninety-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 18738890352 cubic inches would be around 221.3 feet tall.

Recreational maths with 18738890352

• 18738890352 backwards is 25309883781
• 18738890352 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18738890352's digits is 54
• More coming soon!