15378728121000

Names of 15378728121000

• Cardinal: 15378728121000 can be written as Fifteen trillion, three hundred seventy-eight billion, seven hundred twenty-eight million, one hundred twenty-one thousand.

Scientific notation

• Scientific notation: 1.5378728121 × 10¹³

Factors of 15378728121000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1541

Divisors of 15378728121000

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 25 27 30 36 40 45 50 54 60 72 75 81 90 100 108 120 125 135 150 162 180 200 216 225 243 250 270 300 324 360 375 405 450 486 500 540 600 648 675 729 750 810 900 972 1000 1080 1125 1215 1350 1458 1500 1531 1620 1800 1944 2025 2187 2250 2430 2700 2916 3000 3062 3240 3375 3645 4050 4374 4500 4593 4860 5400 5832 6075 6124 6561 6750 7290 7655 8100 8748 9000 9186 9720 10125 10935 12150 12248 13122 13500 13779 14580 15310 16200 17496 18225 18372 20250 21870 22965 24300 26244 27000 27558 29160 30375 30620 32805 36450 36744 38275 40500 41337 43740 45930 48600 52488 54675 55116 60750 61240 65610 68895 72900 76550 81000 82674 87480 91125 91860 109350 110232 114825 121500 124011 131220 137790 145800 153100 164025 165348 182250 183720 191375 206685 218700 229650 243000 248022 262440 273375 275580 306200 328050 330696 344475 364500 372033 382750 413370 437400 459300 496044 546750 551160 574125 620055 656100 688950 729000 744066 765500 820125 826740 918600 992088 1033425 1093500 1116099 1148250 1240110 1312200 1377900 1488132 1531000 1640250 1653480 1722375 1860165 2066850 2187000 2232198 2296500 2343961 2480220 2755800 2976264 3100275 3280500 3348297 3444750 3720330 4133700 4464396 4593000 4687922 4960440 5167125 5580495 6200550 6561000 6696594 6889500 7031883 7440660 8267400 8928792 9300825 9375844 10044891 10334250 11160990 11719805 12401100 13393188 13779000 14063766 14881320 15501375 16741485 18601650 18751688 20089782 20668500 21095649 22321980 23439610 24802200 26786376 27902475 28127532 31002750 33482970 35159415 37203300 40179564 41337000 42191298 44643960 46504125 46879220 50224455 55804950 56255064 58599025 62005500 63286947 66965940 70318830 74406600 80359128 83707425 84382596 93008250 93758440 100448910 105478245 111609900 117198050 124011000 126573894 133931880 139512375 140637660 167414850 168765192 175797075 186016500 189860841 200897820 210956490 223219800 234396100 251122275 253147788 279024750 281275320 292995125 316434735 334829700 351594150 372033000 379721682 401795640 418537125 421912980 468792200 502244550 506295576 527391225 558049500 569582523 585990250 632869470 669659400 703188300 759443364 837074250 843825960 878985375 949304205 1004489100 1054782450 1116099000 1139165046 1171980500 1255611375 1265738940 1406376600 1518886728 1582173675 1674148500 1708747569 1757970750 1898608410 2008978200 2109564900 2278330092 2343961000 2511222750 2531477880 2636956125 2847912615 3164347350 3348297000 3417495138 3515941500 3797216820 4219129800 4556660184 4746521025 5022445500 5126242707 5273912250 5695825230 6328694700 6834990276 7031883000 7594433640 7910868375 8543737845 9493042050 10044891000 10252485414 10547824500 11391650460 12657389400 13669980552 14239563075 15378728121 15821736750 17087475690 18986084100 20504970828 21095649000 22783300920 23732605125 25631213535 28479126150 30757456242 31643473500 34174951380 37972168200 41009941656 42718689225 47465210250 51262427070 56958252300 61514912484 63286947000 68349902760 71197815375 76893640605 85437378450 94930420500 102524854140 113916504600 123029824968 128156067675 142395630750 153787281210 170874756900 189860841000 205049708280 213593446125 256312135350 284791261500 307574562420 341749513800 384468203025 427186892250 512624270700 569582523000 615149124840 640780338375 768936406050 854373784500 1025248541400 1281560676750 1537872812100 1708747569000 1922341015125 2563121353500 3075745624200 3844682030250 5126242707000 7689364060500 15378728121000
• Sum of all divisors σ(n): 54011872074420
• Sum of proper divisors (its aliquot sum) s(n): 38633143953420
• 15378728121000 is an abundant number, because the sum of its proper divisors (38633143953420) is greater than itself. Its abundance is 23254415832420

Bases of 15378728121000

• Binary: 11011111110010100011101000000111001010101000₂
• Hexadecimal: 0xDFCA3A072A8
• Base-36: 5G8W1NMI0

Squares and roots of 15378728121000

• 15378728121000 squared (15378728121000²) is 236505278619636190641000000
• 15378728121000 cubed (15378728121000³) is 3637150379072739147800063715561000000000
• The square root of 15378728121000 is 3921572.1491514087
• The cube root of 15378728121000 is 24867.9588308503

Scales and comparisons

• 15,378,728,121,000 seconds is equal to 488,995 years, 51 weeks, 1 day, 10 hours, 30 minutes.
• To count from 1 to 15,378,728,121,000 would take you about one million, two hundred twenty-two thousand, four hundred eighty-nine 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 15378728121000 cubic inches would be around 2072.3 feet tall.

Recreational maths with 15378728121000

• 15378728121000 backwards is 00012182787351
• 15378728121000 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 15378728121000's digits is 45
• More coming soon!