18148515840

Names of 18148515840

• Cardinal: 18148515840 can be written as Eighteen billion, one hundred forty-eight million, five hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.814851584 × 10¹⁰

Factors of 18148515840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 571

Divisors of 18148515840

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 13 14 15 16 18 20 21 24 26 28 30 32 35 36 39 40 42 45 48 52 56 60 63 64 65 70 72 78 80 84 90 91 96 104 105 112 117 120 126 128 130 140 144 156 160 168 180 182 192 195 208 210 224 234 240 252 256 260 273 280 288 312 315 320 336 360 364 384 390 416 420 448 455 468 480 504 512 520 541 546 560 576 585 624 630 640 672 720 728 768 780 819 832 840 896 910 936 960 1008 1024 1040 1082 1092 1120 1152 1170 1248 1260 1280 1344 1365 1440 1456 1536 1560 1623 1638 1664 1680 1792 1820 1872 1920 2016 2048 2080 2164 2184 2240 2304 2340 2496 2520 2560 2688 2705 2730 2880 2912 3072 3120 3246 3276 3328 3360 3584 3640 3744 3787 3840 4032 4095 4096 4160 4328 4368 4480 4608 4680 4869 4992 5040 5120 5376 5410 5460 5760 5824 6144 6240 6492 6552 6656 6720 7033 7168 7280 7488 7574 7680 8064 8115 8190 8192 8320 8656 8736 8960 9216 9360 9738 9984 10080 10240 10752 10820 10920 11361 11520 11648 12288 12480 12984 13104 13312 13440 14066 14336 14560 14976 15148 15360 16128 16230 16380 16640 17312 17472 17920 18432 18720 18935 19476 19968 20160 20480 21099 21504 21640 21840 22722 23040 23296 24345 24576 24960 25968 26208 26624 26880 28132 28672 29120 29952 30296 30720 32256 32460 32760 33280 34083 34624 34944 35165 35840 36864 37440 37870 38952 39936 40320 40960 42198 43008 43280 43680 45444 46080 46592 48690 49231 49920 51936 52416 53248 53760 56264 56805 57344 58240 59904 60592 61440 63297 64512 64920 65520 66560 68166 69248 69888 70330 71680 73728 74880 75740 77904 79872 80640 84396 86016 86560 87360 90888 92160 93184 97380 98462 99840 103872 104832 105495 106496 107520 112528 113610 116480 119808 121184 122880 126594 129024 129840 131040 133120 136332 138496 139776 140660 143360 147693 149760 151480 155808 159744 161280 168792 170415 172032 173120 174720 181776 184320 186368 194760 196924 199680 207744 209664 210990 215040 225056 227220 232960 239616 242368 246155 253188 258048 259680 262080 266240 272664 276992 279552 281320 286720 295386 299520 302960 311616 316485 319488 322560 337584 340830 346240 349440 363552 368640 372736 389520 393848 399360 415488 419328 421980 430080 443079 450112 454440 465920 479232 484736 492310 506376 516096 519360 524160 532480 545328 553984 559104 562640 590772 599040 605920 623232 632970 645120 675168 681660 692480 698880 727104 738465 745472 779040 787696 798720 830976 838656 843960 860160 886158 900224 908880 931840 958464 969472 984620 1012752 1038720 1048320 1090656 1107968 1118208 1125280 1181544 1198080 1211840 1246464 1265940 1290240 1350336 1363320 1384960 1397760 1454208 1476930 1558080 1575392 1597440 1661952 1677312 1687920 1772316 1800448 1817760 1863680 1938944 1969240 2025504 2077440 2096640 2181312 2215395 2215936 2236416 2250560 2363088 2396160 2423680 2492928 2531880 2580480 2700672 2726640 2769920 2795520 2908416 2953860 3116160 3150784 3323904 3354624 3375840 3544632 3600896 3635520 3727360 3877888 3938480 4051008 4154880 4193280 4362624 4430790 4431872 4501120 4726176 4792320 4847360 4985856 5063760 5401344 5453280 5539840 5591040 5816832 5907720 6232320 6301568 6647808 6709248 6751680 7089264 7201792 7271040 7755776 7876960 8102016 8309760 8386560 8725248 8861580 9002240 9452352 9694720 9971712 10127520 10802688 10906560 11079680 11182080 11633664 11815440 12464640 12603136 13295616 13503360 14178528 14403584 14542080 15511552 15753920 16204032 16619520 16773120 17450496 17723160 18004480 18904704 19389440 19943424 20255040 21605376 21813120 22159360 23267328 23630880 24929280 25206272 27006720 28357056 28807168 29084160 31023104 31507840 32408064 33239040 33546240 34900992 35446320 36008960 37809408 38778880 39886848 40510080 43210752 43626240 46534656 47261760 49858560 50412544 54013440 56714112 57614336 58168320 63015680 64816128 66478080 69801984 70892640 72017920 75618816 77557760 81020160 86421504 87252480 93069312 94523520 99717120 100825088 108026880 113428224 116336640 126031360 129632256 139603968 141785280 144035840 151237632 155115520 162040320 172843008 174504960 189047040 199434240 201650176 216053760 226856448 232673280 252062720 259264512 279207936 283570560 288071680 302475264 324080640 349009920 378094080 403300352 432107520 453712896 465346560 504125440 518529024 567141120 604950528 648161280 698019840 756188160 864215040 907425792 1008250880 1134282240 1209901056 1296322560 1396039680 1512376320 1814851584 2016501760 2268564480 2592645120 3024752640 3629703168 4537128960 6049505280 9074257920 18148515840
• Sum of all divisors σ(n): 77572063296
• Sum of proper divisors (its aliquot sum) s(n): 59423547456
• 18148515840 is an abundant number, because the sum of its proper divisors (59423547456) is greater than itself. Its abundance is 41275031616

Bases of 18148515840

• Binary: 10000111001101111000110000000000000₂
• Hexadecimal: 0x439BC6000
• Base-36: 8C55OG0

Squares and roots of 18148515840

• 18148515840 squared (18148515840²) is 329368627194730905600
• 18148515840 cubed (18148515840³) is 5977551747842628604819144704000
• The square root of 18148515840 is 134716.4275060767
• The cube root of 18148515840 is 2627.9294685799

Scales and comparisons

• 18,148,515,840 seconds is equal to 577 years, 3 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 18,148,515,840 would take you about one thousand, one hundred fifty-four 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 18148515840 cubic inches would be around 219 feet tall.

Recreational maths with 18148515840

• 18148515840 backwards is 04851584181
• 18148515840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18148515840's digits is 45
• More coming soon!