18393532989440

Names of 18393532989440

• Cardinal: 18393532989440 can be written as Eighteen trillion, three hundred ninety-three billion, five hundred thirty-two million, nine hundred eighty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.839353298944 × 10¹³

Factors of 18393532989440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 30
• Sum of prime factors: 246

Divisors of 18393532989440

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 56 64 70 80 82 112 128 140 160 164 191 205 224 256 280 287 320 328 382 410 448 512 560 574 640 656 764 820 896 955 1024 1120 1148 1280 1312 1337 1435 1528 1640 1792 1910 2048 2240 2296 2560 2624 2674 2870 3056 3280 3584 3820 4096 4480 4592 5120 5248 5348 5740 6112 6560 6685 7168 7640 7831 8192 8960 9184 10240 10496 10696 11480 12224 13120 13370 14336 15280 15662 16384 17920 18368 20480 20992 21392 22960 24448 26240 26740 28672 30560 31324 32768 35840 36736 39155 40960 41984 42784 45920 48896 52480 53480 54817 57344 61120 62648 65536 71680 73472 78310 81920 83968 85568 91840 97792 104960 106960 109634 114688 122240 125296 131072 143360 146944 156620 163840 167936 171136 183680 195584 209920 213920 219268 229376 244480 250592 262144 274085 286720 293888 313240 327680 335872 342272 367360 391168 419840 427840 438536 458752 488960 501184 524288 548170 573440 587776 626480 655360 671744 684544 734720 782336 839680 855680 877072 917504 977920 1002368 1048576 1096340 1146880 1175552 1252960 1310720 1343488 1369088 1469440 1564672 1679360 1711360 1754144 1835008 1955840 2004736 2097152 2192680 2293760 2351104 2505920 2621440 2686976 2738176 2938880 3129344 3358720 3422720 3508288 3670016 3911680 4009472 4194304 4385360 4587520 4702208 5011840 5242880 5373952 5476352 5877760 6258688 6717440 6845440 7016576 7340032 7823360 8018944 8388608 8770720 9175040 9404416 10023680 10485760 10747904 10952704 11755520 12517376 13434880 13690880 14033152 14680064 15646720 16037888 16777216 17541440 18350080 18808832 20047360 20971520 21495808 21905408 23511040 25034752 26869760 27381760 28066304 29360128 31293440 32075776 33554432 35082880 36700160 37617664 40094720 41943040 42991616 43810816 47022080 50069504 53739520 54763520 56132608 58720256 62586880 64151552 67108864 70165760 73400320 75235328 80189440 83886080 85983232 87621632 94044160 100139008 107479040 109527040 112265216 117440512 125173760 128303104 140331520 146800640 150470656 160378880 167772160 171966464 175243264 188088320 200278016 214958080 219054080 224530432 234881024 250347520 256606208 280663040 293601280 300941312 320757760 335544320 343932928 350486528 376176640 400556032 429916160 438108160 449060864 469762048 500695040 513212416 561326080 587202560 601882624 641515520 687865856 700973056 752353280 801112064 859832320 876216320 898121728 1001390080 1026424832 1122652160 1174405120 1203765248 1283031040 1375731712 1401946112 1504706560 1602224128 1719664640 1752432640 1796243456 2002780160 2052849664 2245304320 2348810240 2407530496 2566062080 2751463424 2803892224 3009413120 3204448256 3439329280 3504865280 3592486912 4005560320 4105699328 4490608640 4815060992 5132124160 5607784448 6018826240 6408896512 6878658560 7009730560 7184973824 8011120640 8211398656 8981217280 9630121984 10264248320 11215568896 12037652480 12817793024 13757317120 14019461120 14369947648 16022241280 16422797312 17962434560 19260243968 20528496640 22431137792 24075304960 28038922240 28739895296 32044482560 32845594624 35924869120 41056993280 44862275584 48150609920 56077844480 57479790592 64088965120 65691189248 71849738240 82113986560 89724551168 96301219840 112155688960 114959581184 131382378496 143699476480 164227973120 224311377920 229919162368 262764756992 287398952960 328455946240 448622755840 459838324736 525529513984 574797905920 656911892480 919676649472 1149595811840 1313823784960 1839353298944 2299191623680 2627647569920 3678706597888 4598383247360 9196766494720 18393532989440
• Sum of all divisors σ(n): 51951924025344
• Sum of proper divisors (its aliquot sum) s(n): 33558391035904
• 18393532989440 is an abundant number, because the sum of its proper divisors (33558391035904) is greater than itself. Its abundance is 15164858046464

Bases of 18393532989440

• Binary: 100001011101010010100000000000000000000000000₂
• Hexadecimal: 0x10BA94000000
• Base-36: 6IPVEMUWW

Squares and roots of 18393532989440

• 18393532989440 squared (18393532989440²) is 338322055833617583151513600
• 18393532989440 cubed (18393532989440³) is 6222937895030806615474607723468816384000
• The square root of 18393532989440 is 4288768.2368530943
• The cube root of 18393532989440 is 26397.0291410539

Scales and comparisons

• 18,393,532,989,440 seconds is equal to 584,857 years, 23 weeks, 4 days, 7 hours, 17 minutes, 20 seconds.
• To count from 1 to 18,393,532,989,440 would take you about one million, four hundred sixty-two thousand, one hundred forty-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 18393532989440 cubic inches would be around 2199.8 feet tall.

Recreational maths with 18393532989440

• 18393532989440 backwards is 04498923539381
• The number of decimal digits it has is: 14
• The sum of 18393532989440's digits is 68
• More coming soon!