389987329144

Names of 389987329144

• Cardinal: 389987329144 can be written as Three hundred eighty-nine billion, nine hundred eighty-seven million, three hundred twenty-nine thousand, one hundred forty-four.

Scientific notation

• Scientific notation: 3.89987329144 × 10¹¹

Factors of 389987329144

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 281

Divisors of 389987329144

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 4 7 8 14 28 29 31 56 58 61 62 116 122 124 151 203 217 232 244 248 302 406 427 434 488 604 812 841 854 868 899 1057 1208 1624 1682 1708 1736 1769 1798 1891 2114 3364 3416 3538 3596 3782 4228 4379 4681 5887 6293 6728 7076 7192 7564 8456 8758 9211 9362 11774 12383 12586 13237 14152 15128 17516 18422 18724 23548 24389 24766 25172 26071 26474 30653 32767 35032 36844 37448 47096 48778 49532 50344 51301 52142 52948 54839 61306 64477 65534 73688 97556 99064 102602 104284 105896 109678 122612 126991 128954 131068 135749 170723 182497 195112 205204 208568 219356 245224 253982 257908 262136 267119 271498 285541 341446 359107 364994 383873 410408 438712 507964 515816 534238 542996 571082 682892 718214 729988 756059 767746 888937 950243 1015928 1068476 1085992 1142164 1365784 1436428 1459976 1487729 1512118 1535492 1590331 1777874 1869833 1900486 1998787 2136952 2284328 2872856 2975458 3024236 3070984 3180662 3555748 3682739 3739666 3800972 3936721 3997574 5292413 5950916 6048472 6361324 7111496 7365478 7479332 7601944 7746451 7873442 7995148 8280689 10414103 10584826 11132317 11901832 12722648 14730956 14958664 15492902 15746884 15990296 16561378 20828206 21169652 22264634 25779173 27557047 29461912 30985804 31493768 33122756 41656412 42339304 44529268 46119599 51558346 54225157 55114094 57964823 61971608 66245512 83312824 89058536 92239198 103116692 108450314 110228188 114164909 115929646 184478396 206233384 216900628 220456376 224647079 228329818 231859292 240139981 322837193 368956792 433801256 449294158 456659636 463718584 480279962 645674386 799154363 898588316 913319272 960559924 1291348772 1572529553 1598308726 1680979867 1797176632 1921119848 2582697544 3145059106 3196617452 3361959734 6290118212 6393234904 6723919468 6964059449 12580236424 13447838936 13928118898 27856237796 48748416143 55712475592 97496832286 194993664572 389987329144
• Sum of all divisors σ(n): 914112921600
• Sum of proper divisors (its aliquot sum) s(n): 524125592456
• 389987329144 is an abundant number, because the sum of its proper divisors (524125592456) is greater than itself. Its abundance is 134138263312

Bases of 389987329144

• Binary: 101101011001101000011100110010001111000₂
• Hexadecimal: 0x5ACD0E6478
• Base-36: 4Z5ODX14

Squares and roots of 389987329144

• 389987329144 squared (389987329144²) is 152090116892870591772736
• 389987329144 cubed (389987329144³) is 59313218476249358060672052877417984
• The square root of 389987329144 is 624489.6549535467
• The cube root of 389987329144 is 7306.0644491947

Scales and comparisons

• 389,987,329,144 seconds is equal to 12,400 years, 20 weeks, 2 days, 5 hours, 39 minutes, 4 seconds.
• To count from 1 to 389,987,329,144 would take you about twenty-four thousand, eight hundred 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 389987329144 cubic inches would be around 608.8 feet tall.

Recreational maths with 389987329144

• 389987329144 backwards is 441923789983
• The number of decimal digits it has is: 12
• The sum of 389987329144's digits is 67
• More coming soon!