12538974240

Names of 12538974240

• Cardinal: 12538974240 can be written as Twelve billion, five hundred thirty-eight million, nine hundred seventy-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.253897424 × 10¹⁰

Factors of 12538974240

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 112

Divisors of 12538974240

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 13 15 16 17 18 20 24 26 30 31 32 34 36 39 40 41 45 48 51 52 60 62 65 68 72 78 80 82 85 90 93 96 102 104 117 120 123 124 130 136 144 153 155 156 160 164 170 180 186 195 204 205 208 221 234 240 246 248 255 260 272 279 288 306 310 312 328 340 360 369 372 390 403 408 410 416 442 465 468 480 492 496 510 520 527 533 544 558 585 612 615 620 624 656 663 680 697 720 738 744 765 780 806 816 820 884 930 936 961 984 992 1020 1040 1054 1066 1105 1116 1170 1209 1224 1230 1240 1248 1271 1312 1326 1360 1394 1395 1440 1476 1488 1530 1560 1581 1599 1612 1632 1640 1768 1845 1860 1872 1922 1968 1989 2015 2040 2080 2091 2108 2132 2210 2232 2340 2418 2448 2460 2480 2542 2635 2652 2665 2720 2788 2790 2883 2952 2976 3060 3120 3162 3198 3224 3280 3315 3485 3536 3627 3690 3720 3744 3813 3844 3936 3978 4030 4080 4182 4216 4264 4420 4464 4680 4743 4797 4805 4836 4896 4920 4960 5084 5270 5304 5330 5576 5580 5766 5904 6045 6120 6240 6273 6324 6355 6396 6448 6560 6630 6851 6970 7072 7254 7380 7440 7626 7688 7905 7956 7995 8060 8160 8364 8432 8528 8649 8840 8928 9061 9360 9486 9594 9610 9672 9840 9945 10168 10455 10540 10608 10660 11152 11160 11439 11532 11808 12090 12240 12493 12546 12648 12710 12792 12896 13260 13702 13940 14415 14508 14760 14880 15252 15376 15810 15912 15990 16120 16337 16523 16728 16864 17056 17298 17680 18122 18135 18720 18972 19065 19188 19220 19344 19680 19890 20336 20553 20910 21080 21216 21320 21607 22304 22320 22878 23064 23715 23985 24180 24480 24986 25092 25296 25420 25584 26520 27183 27404 27880 28830 29016 29520 30504 30752 31365 31620 31824 31980 32240 32674 33046 33456 34255 34596 35360 36244 36270 37479 37944 38130 38376 38440 38688 39401 39780 40672 41106 41820 42160 42640 43214 43245 44640 45305 45756 46128 47430 47970 48360 49011 49569 49972 50184 50592 50840 51168 53040 54366 54808 55760 57195 57660 58032 59040 61008 61659 62465 62730 63240 63648 63960 64480 64821 65348 66092 66912 68510 69192 72488 72540 74958 75888 76260 76752 76880 78802 79560 81549 81685 82212 82615 83640 84320 85280 86428 86490 90610 91512 92256 94860 95940 96720 98022 99138 99944 100368 101680 102765 106080 108035 108732 109616 111520 112437 114390 115320 116064 118203 122016 123318 124930 125460 126480 127920 129642 130696 132184 135915 137020 138384 144976 145080 147033 148707 149916 151776 152520 153504 153760 157604 159120 163098 163370 164424 165230 167280 172856 172980 181220 183024 187395 189720 191880 193440 194463 196044 197005 198276 199888 200736 203360 205530 212381 216070 217464 219232 224874 228780 230640 236406 245055 246636 247845 249860 250920 252960 255840 259284 261392 264368 271830 274040 276768 280891 289952 290160 294066 297414 299832 305040 308295 315208 318240 324105 326196 326740 328848 330460 334560 345712 345960 354609 362440 366048 374790 379440 383760 388926 392088 394010 396552 399776 407745 411060 424762 432140 434928 449748 457560 461280 472812 490110 493272 495690 499720 501840 512213 518568 522784 528736 543660 548080 561782 562185 580320 588132 591015 594828 599664 610080 616590 630416 637143 648210 652392 653480 657696 660920 669817 691424 691920 709218 724880 735165 743535 749580 758880 767520 777852 784176 788020 793104 815490 822120 842673 849524 864280 869856 899496 915120 945624 972315 980220 986544 991380 999440 1003680 1024426 1037136 1061905 1087320 1096160 1123564 1124370 1176264 1182030 1189656 1199328 1233180 1260832 1274286 1296420 1304784 1306960 1321840 1339634 1383840 1404455 1418436 1449760 1470330 1487070 1499160 1536639 1555704 1568352 1576040 1586208 1630980 1644240 1685346 1699048 1728560 1773045 1798992 1830240 1891248 1911429 1944630 1960440 1973088 1982760 1998880 2009451 2048852 2074272 2123810 2174640 2247128 2248740 2352528 2364060 2379312 2466360 2528019 2548572 2561065 2592840 2609568 2613920 2643680 2679268 2808910 2836872 2940660 2974140 2998320 3073278 3111408 3152080 3185715 3261960 3288480 3349085 3370692 3398096 3457120 3546090 3597984 3782496 3822858 3889260 3920880 3965520 4018902 4097704 4213365 4247620 4349280 4494256 4497480 4609917 4705056 4728120 4758624 4932720 5056038 5097144 5122130 5185680 5358536 5617820 5673744 5881320 5948280 5996640 6028353 6146556 6222816 6304160 6371430 6523920 6698170 6741384 6796192 7092180 7645716 7683195 7778520 7841760 7931040 8037804 8195408 8426730 8495240 8707621 8988512 8994960 9219834 9456240 9557145 9865440 10047255 10112076 10194288 10244260 10371360 10717072 11235640 11347488 11762640 11896560 12056706 12293112 12640095 12742860 13047840 13396340 13482768 14184360 15291432 15366390 15557040 16075608 16390816 16853460 16990480 17415242 17989920 18439668 18912480 19114290 20094510 20224152 20388576 20488520 21434144 22471280 23049585 23525280 23793120 24113412 24586224 25280190 25485720 26122863 26792680 26965536 28368720 30141765 30582864 30732780 31114080 32151216 33706920 33980960 34830484 36879336 38228580 40189020 40448304 40977040 43538105 44942560 46099170 48226824 49172448 50560380 50971440 52245726 53585360 56737440 60283530 61165728 61465560 64302432 67413840 69660968 73758672 76457160 78368589 80378040 80896608 81954080 87076210 92198340 96453648 101120760 101942880 104491452 107170720 120567060 122931120 130614315 134827680 139321936 147517344 152914320 156737178 160756080 174152420 184396680 192907296 202241520 208982904 241134120 245862240 261228630 278643872 305828640 313474356 321512160 348304840 368793360 391842945 404483040 417965808 482268240 522457260 626948712 696609680 737586720 783685890 835931616 964536480 1044914520 1253897424 1393219360 1567371780 2089829040 2507794848 3134743560 4179658080 6269487120 12538974240
• Sum of all divisors σ(n): 51645707568
• Sum of proper divisors (its aliquot sum) s(n): 39106733328
• 12538974240 is an abundant number, because the sum of its proper divisors (39106733328) is greater than itself. Its abundance is 26567759088

Bases of 12538974240

• Binary: 1011101011011000011001000000100000₂
• Hexadecimal: 0x2EB619020
• Base-36: 5RDDQG0

Squares and roots of 12538974240

• 12538974240 squared (12538974240²) is 157225874991383577600
• 12538974240 cubed (12538974240³) is 1971451196378418901485441024000
• The square root of 12538974240 is 111977.5613236867
• The cube root of 12538974240 is 2323.2039462459

Scales and comparisons

• 12,538,974,240 seconds is equal to 398 years, 36 weeks, 3 days, 24 minutes.
• To count from 1 to 12,538,974,240 would take you about seven hundred ninety-seven 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 12538974240 cubic inches would be around 193.6 feet tall.

Recreational maths with 12538974240

• 12538974240 backwards is 04247983521
• 12538974240 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12538974240's digits is 45
• More coming soon!