638148958748672

Names of 638148958748672

• Cardinal: 638148958748672 can be written as Six hundred thirty-eight trillion, one hundred forty-eight billion, nine hundred fifty-eight million, seven hundred forty-eight thousand, six hundred seventy-two.

Scientific notation

• Scientific notation: 6.38148958748672 × 10¹⁴

Factors of 638148958748672

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 31
• Sum of prime factors: 98

Divisors of 638148958748672

• Number of divisors d(n): 390
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 56 64 89 98 112 128 178 196 224 256 343 356 392 448 512 623 686 712 784 896 1024 1246 1372 1424 1568 1792 2048 2401 2492 2744 2848 3136 3584 4096 4361 4802 4984 5488 5696 6272 7168 7921 8192 8722 9604 9968 10976 11392 12544 14336 15842 16384 17444 19208 19936 21952 22784 25088 28672 30527 31684 32768 34888 38416 39872 43904 45568 50176 55447 57344 61054 63368 65536 69776 76832 79744 87808 91136 100352 110894 114688 122108 126736 131072 139552 153664 159488 175616 182272 200704 213689 221788 229376 244216 253472 262144 279104 307328 318976 351232 364544 388129 401408 427378 443576 458752 488432 506944 524288 558208 614656 637952 702464 729088 776258 802816 854756 887152 917504 976864 1013888 1048576 1116416 1229312 1275904 1404928 1458176 1552516 1605632 1709512 1774304 1835008 1953728 2027776 2097152 2232832 2458624 2551808 2716903 2809856 2916352 3105032 3211264 3419024 3548608 3670016 3907456 4055552 4194304 4465664 4917248 5103616 5433806 5619712 5832704 6210064 6422528 6838048 7097216 7340032 7814912 8111104 8388608 8931328 9834496 10207232 10867612 11239424 11665408 12420128 12845056 13676096 14194432 14680064 15629824 16222208 16777216 17862656 19018321 19668992 20414464 21735224 22478848 23330816 24840256 25690112 27352192 28388864 29360128 31259648 32444416 33554432 35725312 38036642 39337984 40828928 43470448 44957696 46661632 49680512 51380224 54704384 56777728 58720256 62519296 64888832 71450624 76073284 78675968 81657856 86940896 89915392 93323264 99361024 102760448 109408768 113555456 117440512 125038592 129777664 142901248 152146568 157351936 163315712 173881792 179830784 186646528 198722048 205520896 218817536 227110912 234881024 250077184 259555328 285802496 304293136 314703872 326631424 347763584 359661568 373293056 397444096 411041792 437635072 454221824 500154368 519110656 571604992 608586272 629407744 653262848 695527168 719323136 746586112 794888192 822083584 875270144 908443648 1000308736 1038221312 1143209984 1217172544 1258815488 1306525696 1391054336 1438646272 1493172224 1589776384 1644167168 1750540288 1816887296 2000617472 2076442624 2286419968 2434345088 2517630976 2613051392 2782108672 2877292544 2986344448 3179552768 3501080576 3633774592 4001234944 4152885248 4572839936 4868690176 5035261952 5226102784 5564217344 5754585088 6359105536 7002161152 7267549184 8002469888 8305770496 9145679872 9737380352 10070523904 10452205568 11128434688 11509170176 12718211072 14004322304 14535098368 16004939776 16611540992 18291359744 19474760704 20141047808 20904411136 22256869376 25436422144 28008644608 29070196736 32009879552 33223081984 36582719488 38949521408 40282095616 44513738752 50872844288 56017289216 58140393472 64019759104 66446163968 73165438976 77899042816 80564191232 89027477504 101745688576 112034578432 116280786944 128039518208 132892327936 146330877952 155798085632 178054955008 203491377152 224069156864 232561573888 256079036416 265784655872 311596171264 356109910016 406982754304 448138313728 465123147776 512158072832 623192342528 712219820032 813965508608 896276627456 930246295552 1024316145664 1246384685056 1424439640064 1627931017216 1792553254912 1860492591104 2492769370112 2848879280128 3255862034432 3585106509824 4985538740224 5697758560256 6511724068864 7170213019648 9971077480448 11395517120512 13023448137728 19942154960896 22791034241024 39884309921792 45582068482048 79768619843584 91164136964096 159537239687168 319074479374336 638148958748672
• Sum of all divisors σ(n): 1505843093281893
• Sum of proper divisors (its aliquot sum) s(n): 867694134533221
• 638148958748672 is an abundant number, because the sum of its proper divisors (867694134533221) is greater than itself. Its abundance is 229545175784549

Bases of 638148958748672

• Binary: 10010001000110010010100010000000000000000000000000₂
• Hexadecimal: 0x24464A2000000
• Base-36: 6A7DL1IRCW

Squares and roots of 638148958748672

• 638148958748672 squared (638148958748672²) is 407234093552014277928061763584
• 638148958748672 cubed (638148958748672³) is 259876012767177193548688646875729802137960448
• The square root of 638148958748672 is 25261610.3752051407
• The cube root of 638148958748672 is 86094.2251348067

Scales and comparisons

• 638,148,958,748,672 seconds is equal to 20,291,162 years, 50 weeks, 20 hours, 24 minutes, 32 seconds.
• To count from 1 to 638,148,958,748,672 would take you about fifty million, seven hundred twenty-seven thousand, nine hundred 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 638148958748672 cubic inches would be around 7174.5 feet tall.

Recreational maths with 638148958748672

• 638148958748672 backwards is 276847859841836
• The number of decimal digits it has is: 15
• The sum of 638148958748672's digits is 86
• More coming soon!