18503831808

Names of 18503831808

• Cardinal: 18503831808 can be written as Eighteen billion, five hundred three million, eight hundred thirty-one thousand, eight hundred eight.

Scientific notation

• Scientific notation: 1.8503831808 × 10¹⁰

Factors of 18503831808

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 3886

Divisors of 18503831808

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 32 33 36 42 44 48 54 56 63 64 66 72 77 81 84 88 96 99 108 112 126 128 132 144 154 162 168 176 189 192 198 216 224 231 243 252 256 264 288 297 308 324 336 352 378 384 396 432 448 462 486 504 528 567 576 594 616 648 672 693 704 756 768 792 864 891 896 924 972 1008 1056 1134 1152 1188 1232 1296 1344 1386 1408 1512 1584 1701 1728 1782 1792 1848 1944 2016 2079 2112 2268 2304 2376 2464 2592 2673 2688 2772 2816 3024 3168 3402 3456 3564 3696 3863 3888 4032 4158 4224 4536 4752 4928 5184 5346 5376 5544 6048 6237 6336 6804 6912 7128 7392 7726 7776 8064 8316 8448 9072 9504 9856 10368 10692 11088 11589 12096 12474 12672 13608 14256 14784 15452 15552 16128 16632 18144 18711 19008 19712 20736 21384 22176 23178 24192 24948 25344 27041 27216 28512 29568 30904 31104 33264 34767 36288 37422 38016 42493 42768 44352 46356 48384 49896 54082 54432 57024 59136 61808 62208 66528 69534 72576 74844 76032 81123 84986 85536 88704 92712 99792 104301 108164 108864 114048 123616 127479 133056 139068 145152 149688 162246 169972 171072 177408 185424 199584 208602 216328 217728 228096 243369 247232 254958 266112 278136 297451 299376 312903 324492 339944 342144 370848 382437 399168 417204 432656 435456 486738 494464 509916 532224 556272 594902 598752 625806 648984 679888 684288 730107 741696 764874 798336 834408 865312 892353 938709 973476 988928 1019832 1112544 1147311 1189804 1197504 1251612 1297968 1359776 1460214 1483392 1529748 1596672 1668816 1730624 1784706 1877418 1946952 2039664 2190321 2225088 2294622 2379608 2395008 2503224 2595936 2677059 2719552 2920428 2966784 3059496 3337632 3441933 3461248 3569412 3754836 3893904 4079328 4380642 4450176 4589244 4759216 4790016 5006448 5191872 5354118 5439104 5840856 6118992 6570963 6675264 6883866 6922496 7138824 7509672 7787808 8031177 8158656 8761284 8900352 9178488 9518432 10012896 10325799 10383744 10708236 10878208 11681712 12237984 13141926 13350528 13767732 14277648 15019344 15575616 16062354 16317312 17522568 18356976 19036864 20025792 20651598 20767488 21416472 23363424 24093531 24475968 26283852 26701056 27535464 28555296 30038688 31151232 32124708 32634624 35045136 36713952 38073728 40051584 41303196 42832944 46726848 48187062 48951936 52567704 55070928 57110592 60077376 62302464 64249416 70090272 72280593 73427904 76147456 80103168 82606392 85665888 93453696 96374124 97903872 105135408 110141856 114221184 120154752 128498832 140180544 144561186 146855808 165212784 171331776 186907392 192748248 210270816 220283712 228442368 240309504 256997664 280361088 289122372 293711616 330425568 342663552 385496496 420541632 440567424 513995328 560722176 578244744 660851136 685327104 770992992 841083264 881134848 1027990656 1156489488 1321702272 1541985984 1682166528 2055981312 2312978976 2643404544 3083971968 4625957952 6167943936 9251915904 18503831808
• Sum of all divisors σ(n): 68997067776
• Sum of proper divisors (its aliquot sum) s(n): 50493235968
• 18503831808 is an abundant number, because the sum of its proper divisors (50493235968) is greater than itself. Its abundance is 31989404160

Bases of 18503831808

• Binary: 10001001110111010100001000100000000₂
• Hexadecimal: 0x44EEA1100
• Base-36: 8I0PC00

Squares and roots of 18503831808

• 18503831808 squared (18503831808²) is 342391791578752548864
• 18503831808 cubed (18503831808³) is 6335560123813027950630757466112
• The square root of 18503831808 is 136028.7903643931
• The cube root of 18503831808 is 2644.9688239767

Scales and comparisons

• 18,503,831,808 seconds is equal to 588 years, 18 weeks, 6 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 18,503,831,808 would take you about one thousand, one hundred seventy-six 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 18503831808 cubic inches would be around 220.4 feet tall.

Recreational maths with 18503831808

• 18503831808 backwards is 80813830581
• The number of decimal digits it has is: 11
• The sum of 18503831808's digits is 45
• More coming soon!