138921085800

Names of 138921085800

• Cardinal: 138921085800 can be written as One hundred thirty-eight billion, nine hundred twenty-one million, eighty-five thousand, eight hundred.

Scientific notation

• Scientific notation: 1.389210858 × 10¹¹

Factors of 138921085800

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3401

Divisors of 138921085800

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 27 28 30 35 36 40 42 45 49 50 54 56 60 63 70 72 75 84 90 98 100 105 108 120 126 135 140 147 150 163 168 175 180 189 196 200 210 216 225 245 252 270 280 294 300 315 326 350 360 378 392 420 441 450 489 490 504 525 540 588 600 630 652 675 700 735 756 815 840 882 900 945 978 980 1050 1080 1141 1176 1225 1260 1304 1323 1350 1400 1467 1470 1512 1575 1630 1764 1800 1890 1956 1960 2100 2205 2282 2445 2450 2520 2646 2700 2934 2940 3150 3221 3260 3423 3528 3675 3780 3912 4075 4200 4401 4410 4564 4725 4890 4900 5292 5400 5705 5868 5880 6300 6442 6520 6615 6846 7335 7350 7560 7987 8150 8802 8820 9128 9450 9663 9780 9800 10269 10584 11025 11410 11736 12225 12600 12884 13230 13692 14670 14700 15974 16105 16300 17115 17604 17640 18900 19326 19560 20538 22005 22050 22547 22820 23961 24450 25768 26460 27384 28525 28989 29340 29400 30807 31948 32210 32600 33075 34230 35208 36675 37800 38652 39935 41076 44010 44100 45094 45640 47922 48315 48900 51345 52920 57050 57978 58680 61614 63896 64420 66150 67641 68460 71883 73350 77304 79870 80525 82152 85575 86967 88020 88200 90188 95844 96630 97800 102690 110025 112735 114100 115956 119805 123228 128840 132300 135282 136920 143766 144945 146700 154035 157829 159740 161050 171150 173934 176040 180376 191688 193260 199675 202923 205380 215649 220050 225470 228200 231912 239610 241575 246456 256725 264600 270564 287532 289890 293400 308070 315658 319480 322100 338205 342300 347868 359415 386520 399350 405846 410760 431298 434835 440100 450940 473487 479220 483150 513450 525023 541128 563675 575064 579780 599025 608769 616140 631316 644200 676410 684600 695736 718830 724725 770175 789145 798700 811692 862596 869670 880200 901880 946974 958440 966300 1014615 1026900 1050046 1078245 1127350 1159560 1198050 1217538 1232280 1262632 1352820 1420461 1437660 1449450 1540350 1575069 1578290 1597400 1623384 1691025 1725192 1739340 1797075 1893948 1932600 2029230 2053800 2100092 2156490 2174175 2254700 2367435 2396100 2435076 2625115 2705640 2840922 2875320 2898900 3043845 3080700 3150138 3156580 3382050 3478680 3594150 3675161 3787896 3945725 4058460 4200184 4261383 4312980 4348350 4509400 4725207 4734870 4792200 4870152 5073075 5250230 5391225 5681844 5797800 6087690 6161400 6300276 6313160 6764100 7102305 7188300 7350322 7875345 7891450 8116920 8522766 8625960 8696700 9450414 9469740 10146150 10500460 10782450 11025483 11363688 11837175 12175380 12600552 13125575 13528200 14175621 14204610 14376600 14700644 15219225 15750690 15782900 17045532 17393400 18375805 18900828 18939480 20292300 21000920 21306915 21564900 22050966 23626035 23674350 24350760 25726127 26251150 28351242 28409220 29401288 30438450 31501380 31565800 33076449 34091064 35511525 36751610 37801656 39376725 40584600 42613830 43129800 44101932 47252070 47348700 51452254 52502300 55127415 56702484 56818440 60876900 63002760 66152898 70878105 71023050 73503220 77178381 78753450 85227660 88203864 91879025 94504140 94697400 99229347 102904508 105004600 106534575 110254830 113404968 118130175 121753800 128630635 132305796 141756210 142046100 147006440 154356762 157506900 165382245 170455320 183758050 189008280 198458694 205809016 213069150 220509660 231535143 236260350 257261270 264611592 275637075 283512420 284092200 308713524 315013800 330764490 354390525 367516100 385891905 396917388 426138300 441019320 463070286 472520700 496146735 514522540 551274150 567024840 617427048 643153175 661528980 694605429 708781050 735032200 771783810 793834776 826911225 852276600 926140572 945041400 992293470 1029045080 1102548300 1157675715 1286306350 1323057960 1389210858 1417562100 1543567620 1653822450 1852281144 1929459525 1984586940 2205096600 2315351430 2480733675 2572612700 2778421716 2835124200 3087135240 3307644900 3473027145 3858919050 3969173880 4630702860 4961467350 5145225400 5556843432 5788378575 6615289800 6946054290 7717838100 9261405720 9922934700 11576757150 13892108580 15435676200 17365135725 19845869400 23153514300 27784217160 34730271450 46307028600 69460542900 138921085800
• Sum of all divisors σ(n): 560218161600
• Sum of proper divisors (its aliquot sum) s(n): 421297075800
• 138921085800 is an abundant number, because the sum of its proper divisors (421297075800) is greater than itself. Its abundance is 282375990000

Bases of 138921085800

• Binary: 10000001011000010101111000101101101000₂
• Hexadecimal: 0x2058578B68
• Base-36: 1RTI0ZU0

Squares and roots of 138921085800

• 138921085800 squared (138921085800²) is 19299068079850961640000
• 138921085800 cubed (138921085800³) is 2681047492581016693202948712000000
• The square root of 138921085800 is 372721.1904359609
• The cube root of 138921085800 is 5179.1209854933

Scales and comparisons

• 138,921,085,800 seconds is equal to 4,417 years, 13 weeks, 3 days, 22 hours, 30 minutes.
• To count from 1 to 138,921,085,800 would take you about eight thousand, eight hundred thirty-four 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 138921085800 cubic inches would be around 431.6 feet tall.

Recreational maths with 138921085800

• 138921085800 backwards is 008580129831
• 138921085800 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138921085800's digits is 45
• More coming soon!