18421338970008

Names of 18421338970008

• Cardinal: 18421338970008 can be written as Eighteen trillion, four hundred twenty-one billion, three hundred thirty-eight million, nine hundred seventy thousand and eight.

Scientific notation

• Scientific notation: 1.8421338970008 × 10¹³

Factors of 18421338970008

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 221

Divisors of 18421338970008

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 27 31 36 39 41 52 54 62 72 78 82 93 104 108 117 123 124 131 156 164 186 216 234 246 248 262 279 312 328 351 369 372 393 403 468 492 524 533 558 702 738 744 786 806 837 936 961 984 1048 1066 1107 1116 1179 1209 1271 1404 1476 1572 1599 1612 1674 1681 1703 1922 2132 2214 2232 2358 2418 2542 2808 2883 2952 3144 3198 3224 3348 3362 3406 3537 3627 3813 3844 4061 4264 4428 4716 4797 4836 5043 5084 5109 5371 5766 6396 6696 6724 6812 7074 7254 7626 7688 8122 8649 8856 9432 9594 9672 10086 10168 10218 10742 10881 11439 11532 12183 12493 12792 13448 13624 14148 14391 14508 15129 15252 15327 16113 16244 16523 17298 19188 20172 20436 21484 21762 21853 22878 23064 24366 24986 25947 28296 28782 29016 29791 30258 30504 30654 32226 32488 33046 34317 34596 36549 37479 38376 39401 40344 40872 42968 43524 43706 45387 45756 45981 48339 48732 49569 49972 51894 52111 52793 57564 59582 60516 61308 64452 65559 66092 68634 69192 69823 73098 74958 78802 87048 87412 89373 90774 91512 91962 96678 97464 99138 99944 103788 104222 105586 109647 112437 115128 118203 119164 121032 122616 125891 128904 131118 132184 137268 139646 145017 146196 148707 149916 156333 157604 158379 166501 174824 178746 181548 183924 193356 196677 198276 207576 208444 209469 211172 219294 220211 224874 236406 238328 251782 262236 268119 274536 279292 290034 292392 297414 299832 312666 315208 316758 333002 337311 354609 357492 363096 367848 377673 386712 387283 393354 396552 416888 418938 422344 438588 440422 446121 449748 468999 472812 475137 499503 503564 512213 524472 536238 558584 580068 590031 594828 625332 628407 633516 660633 666004 674622 677443 709218 714984 755346 774566 786708 804357 837876 877176 880844 892242 899496 937998 945624 950274 999006 1007128 1024426 1063827 1072476 1133019 1160136 1161849 1180062 1189656 1221431 1250664 1256814 1267032 1321266 1332008 1349244 1354886 1406997 1418436 1425411 1498509 1510692 1536639 1549132 1573416 1608714 1615441 1636583 1675752 1761688 1784484 1875996 1885221 1900548 1981899 1998012 2032329 2048852 2127654 2144952 2164513 2266038 2323698 2360124 2442862 2513628 2642532 2698488 2709772 2813994 2836872 2850822 2862743 2997018 3021384 3073278 3098264 3217428 3230882 3273166 3399057 3485547 3568968 3664293 3751992 3770442 3801096 3902621 3963798 3996024 4064658 4097704 4255308 4329026 4495527 4532076 4609917 4647396 4720248 4846323 4885724 4909749 5027256 5161531 5285064 5419544 5627988 5701644 5725486 5945697 5994036 6096987 6146556 6434856 6461764 6493539 6546332 6798114 6826541 6971094 7328586 7540884 7805242 7927596 8129316 8510616 8588229 8658052 8991054 9064152 9219834 9294792 9692646 9771448 9819498 10323062 10456641 10992879 11255976 11403288 11450972 11707863 11891394 11988072 12193974 12293112 12923528 12987078 13092664 13596228 13653082 13829751 13942188 14538969 14657172 14729247 15081768 15484593 15610484 15855192 15878603 16258632 17176458 17316104 17982108 18290961 18439668 19385292 19480617 19638996 20479623 20646124 20913282 21000733 21985758 22901944 23415726 23782788 24387948 25764687 25974156 27192456 27306164 27659502 27884376 29077938 29314344 29458494 30969186 31220968 31757206 32978637 34352916 35123589 35964216 36581922 36879336 38770584 38961234 39277992 40959246 41292248 41826564 42001466 43616907 43971516 44187741 46453779 46831452 47565576 47635809 48775896 50078671 50734073 51529374 51948312 54612328 55319004 58155876 58441851 58916988 61438869 61938372 63002199 63514412 65957274 67099903 68705832 70247178 73163844 77294061 77922468 81918492 83653128 84002932 87233814 87943032 88375482 88745033 92907558 93662904 95271618 100157342 101468146 103058748 105370767 110638008 116311752 116883702 117833976 122877738 123876744 126004398 127028824 131914548 134199806 139361337 140494356 142907427 146327688 150236013 152202219 154588122 155844936 160007461 163836984 168005864 174467628 176750964 177490066 184316607 185815116 189006597 190543236 200314684 201299709 202936292 206117496 210741534 211622771 233767404 245755476 252008796 263829096 266235099 268399612 278722674 280988712 285814854 300472026 304404438 309176244 320014922 348935256 353501928 354980132 368633214 371630232 378013194 381086472 400629368 402599418 405872584 421483068 423245542 428722281 450708039 456606657 467534808 480022383 491510952 504017592 532470198 536799224 557445348 567019791 571629708 600944052 603899127 608808876 618352488 634868313 640029844 651022723 709960264 737266428 756026388 798705297 805198836 842966136 846491084 857444562 901416078 913213314 960044766 1064940396 1114890696 1134039582 1143259416 1201888104 1207798254 1217617752 1269736626 1280059688 1302045446 1352124117 1369819971 1440067149 1474532856 1512052776 1597410594 1610397672 1692982168 1714889124 1802832156 1811697381 1826426628 1904604939 1920089532 1953068169 2080096993 2129880792 2268079164 2396115891 2415596508 2539473252 2604090892 2704248234 2739639942 2751096023 2880134298 3194821188 3429778248 3605664312 3623394762 3652853256 3809209878 3840179064 3906136338 4160193986 4320201447 4536158328 4792231782 4831193016 5078946504 5208181784 5408496468 5479279884 5502192046 5713814817 5760268596 5859204507 6240290979 6389642376 6560305901 7246789524 7618419756 7812272676 8253288069 8320387972 8640402894 9584463564 10816992936 10958559768 11004384092 11427629634 11520537192 11718409014 12480581958 13120611802 14493579048 15236839512 15624545352 16506576138 16640775944 17280805788 17577613521 18720872937 19168927128 19680917703 22008768184 22855259268 23436818028 24759864207 24961163916 26241223604 33013152276 34561611576 35155227042 37441745874 39361835406 45710518536 46873636056 49519728414 49922327832 52482447208 56162618811 59042753109 66026304552 70310454084 74279592621 74883491748 78723670812 85283976713 99039456828 112325237622 118085506218 140620908168 148559185242 149766983496 157447341624 170567953426 177128259327 198078913656 224650475244 236171012436 255851930139 297118370484 341135906852 354256518654 449300950488 472342024872 511703860278 594236740968 682271813704 708513037308 767555790417 1023407720556 1417026074616 1535111580834 2046815441112 2302667371251 3070223161668 4605334742502 6140446323336 9210669485004 18421338970008
• Sum of all divisors σ(n): 58811674521600
• Sum of proper divisors (its aliquot sum) s(n): 40390335551592
• 18421338970008 is an abundant number, because the sum of its proper divisors (40390335551592) is greater than itself. Its abundance is 21968996581584

Bases of 18421338970008

• Binary: 100001100000100001101010111011001011110011000₂
• Hexadecimal: 0x10C10D5D9798
• Base-36: 6J2N9LIU0

Squares and roots of 18421338970008

• 18421338970008 squared (18421338970008²) is 339345729447935402323520064
• 18421338970008 cubed (18421338970008³) is 6251202710185043778700472185758682240512
• The square root of 18421338970008 is 4292008.7336826331
• The cube root of 18421338970008 is 26410.3241348891

Scales and comparisons

• 18,421,338,970,008 seconds is equal to 585,741 years, 31 weeks, 18 hours, 46 minutes, 48 seconds.
• To count from 1 to 18,421,338,970,008 would take you about one million, four hundred sixty-four thousand, three hundred fifty-three 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 18421338970008 cubic inches would be around 2200.9 feet tall.

Recreational maths with 18421338970008

• 18421338970008 backwards is 80007983312481
• 18421338970008 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18421338970008's digits is 54
• More coming soon!