138457885440

Names of 138457885440

• Cardinal: 138457885440 can be written as One hundred thirty-eight billion, four hundred fifty-seven million, eight hundred eighty-five thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.3845788544 × 10¹¹

Factors of 138457885440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 31781

Divisors of 138457885440

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 56 60 64 70 80 84 96 105 112 120 128 140 160 163 168 192 210 224 240 256 280 320 326 336 384 420 448 480 489 560 640 652 672 768 815 840 896 960 978 1120 1141 1280 1304 1344 1630 1680 1792 1920 1956 2240 2282 2445 2608 2688 3260 3360 3423 3840 3912 4480 4564 4890 5216 5376 5705 6520 6720 6846 7824 8960 9128 9780 10432 11410 13040 13440 13692 15648 17115 18256 19560 20864 22820 26080 26880 27384 31296 31601 34230 36512 39120 41728 45640 52160 54768 62592 63202 68460 73024 78240 91280 94803 104320 109536 125184 126404 136920 146048 156480 158005 182560 189606 208640 219072 221207 252808 273840 292096 312960 316010 365120 379212 438144 442414 474015 505616 547680 625920 632020 663621 730240 758424 876288 884828 948030 1011232 1095360 1106035 1264040 1327242 1460480 1516848 1769656 1896060 2022464 2190720 2212070 2528080 2654484 3033696 3318105 3539312 3792120 4044928 4381440 4424140 5056160 5150963 5308968 6067392 6636210 7078624 7584240 8089856 8848280 10112320 10301926 10617936 12134784 13272420 14157248 15168480 15452889 17696560 20224640 20603852 21235872 24269568 25754815 26544840 28314496 30336960 30905778 35393120 36056741 40449280 41207704 42471744 51509630 53089680 56628992 60673920 61811556 70786240 72113482 77264445 82415408 84943488 103019260 106179360 108170223 121347840 123623112 141572480 144226964 154528890 164830816 169886976 180283705 206038520 212358720 216340446 247246224 283144960 288453928 309057780 329661632 360567410 412077040 424717440 432680892 494492448 540851115 576907856 618115560 659323264 721134820 824154080 849434880 865361784 988984896 1081702230 1153815712 1236231120 1318646528 1442269640 1648308160 1730723568 1977969792 2163404460 2307631424 2472462240 2884539280 3296616320 3461447136 3955939584 4326808920 4615262848 4944924480 5769078560 6593232640 6922894272 8653617840 9230525696 9889848960 11538157120 13845788544 17307235680 19779697920 23076314240 27691577088 34614471360 46152628480 69228942720 138457885440
• Sum of all divisors σ(n): 508487809536
• Sum of proper divisors (its aliquot sum) s(n): 370029924096
• 138457885440 is an abundant number, because the sum of its proper divisors (370029924096) is greater than itself. Its abundance is 231572038656

Bases of 138457885440

• Binary: 10000000111100101110111010101100000000₂
• Hexadecimal: 0x203CBBAB00
• Base-36: 1RLU905C

Squares and roots of 138457885440

• 138457885440 squared (138457885440²) is 19170586040516163993600
• 138457885440 cubed (138457885440³) is 2654318805815450232694121693184000
• The square root of 138457885440 is 372099.2951350485
• The cube root of 138457885440 is 5173.3583807433

Scales and comparisons

• 138,457,885,440 seconds is equal to 4,402 years, 27 weeks, 4 days, 19 hours, 44 minutes.
• To count from 1 to 138,457,885,440 would take you about eight thousand, eight hundred five 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 138457885440 cubic inches would be around 431.1 feet tall.

Recreational maths with 138457885440

• 138457885440 backwards is 044588754831
• The number of decimal digits it has is: 12
• The sum of 138457885440's digits is 57
• More coming soon!