20428423964480

Names of 20428423964480

• Cardinal: 20428423964480 can be written as Twenty trillion, four hundred twenty-eight billion, four hundred twenty-three million, nine hundred sixty-four thousand, four hundred eighty.

Scientific notation

• Scientific notation: 2.042842396448 × 10¹³

Factors of 20428423964480

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 21055

Divisors of 20428423964480

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 49 56 64 70 79 80 98 112 113 140 158 160 196 224 226 245 280 316 320 343 392 395 448 452 490 553 560 565 632 686 784 790 791 904 980 1106 1120 1130 1264 1372 1568 1580 1582 1715 1808 1960 2212 2240 2260 2528 2744 2765 3136 3160 3164 3430 3616 3871 3920 3955 4424 4520 5056 5488 5530 5537 6320 6328 6860 7232 7742 7840 7910 8848 8927 9040 10976 11060 11074 12640 12656 13720 15484 15680 15820 17696 17854 18080 19355 20849 21952 22120 22148 25280 25312 27097 27440 27685 30968 31640 35392 35708 36160 38710 38759 41698 44240 44296 44635 50624 54194 54880 55370 61936 62489 63280 71416 77420 77518 83396 88480 88592 89270 104245 108388 109760 110740 123872 124978 126560 135485 142832 145943 154840 155036 166792 176960 177184 178540 193795 208490 216776 221480 247744 249956 253120 270970 285664 291886 309680 310072 312445 333584 354368 357080 387590 416980 433552 437423 442960 499912 541940 571328 583772 619360 620144 624890 667168 714160 729715 775180 833960 867104 874846 885920 999824 1021601 1083880 1167544 1238720 1240288 1249780 1334336 1428320 1459430 1550360 1647071 1667920 1734208 1749692 1771840 1999648 2043202 2167760 2187115 2335088 2355937 2480576 2499560 2856640 2918860 3061961 3100720 3294142 3335840 3499384 3999296 4086404 4335520 4374230 4670176 4711874 4999120 5108005 5837720 6123922 6201440 6588284 6671680 6998768 7151207 8172808 8235355 8671040 8748460 9340352 9423748 9998240 10216010 11529497 11675440 11779685 12247844 12402880 13176568 13997536 14302414 15309805 16345616 16470710 16491559 17496920 18847496 19996480 20432020 23058994 23350880 23559370 24495688 26353136 27995072 28604828 30619610 32691232 32941420 32983118 34993840 35756035 37694992 40864040 46117988 46701760 47118740 48991376 52706272 57209656 57647485 61239220 65382464 65882840 65966236 69987680 71512070 75389984 80706479 81728080 82457795 92235976 94237480 97982752 105412544 114419312 115294970 115440913 122478440 131765680 131932472 139975360 143024140 150779968 161412958 163456160 164915590 184471952 186119023 188474960 195965504 228838624 230589940 230881826 244956880 263531360 263864944 286048280 322825916 326912320 329831180 368943904 372238046 376949920 403532395 457677248 461179880 461763652 489913760 527062720 527729888 564945353 572096560 577204565 645651832 659662360 737887808 744476092 753899840 807064790 808086391 922359760 923527304 930595115 979827520 1055459776 1129890706 1144193120 1154409130 1291303664 1302833161 1319324720 1488952184 1614129580 1616172782 1844719520 1847054608 1861190230 2259781412 2288386240 2308818260 2582607328 2605666322 2638649440 2824726765 2977904368 3228259160 3232345564 3689439040 3694109216 3722380460 4040431955 4519562824 4617636520 5165214656 5211332644 5277298880 5649453530 5955808736 6456518320 6464691128 6514165805 7388218432 7444760920 8080863910 9039125648 9119832127 9235273040 10422665288 11298907060 11911617472 12913036640 12929382256 13028331610 14889521840 16161727820 18078251296 18239664254 18470546080 20845330576 22597814120 25826073280 25858764512 26056663220 29779043680 32323455640 36156502592 36479328508 36941092160 41690661152 45195628240 45599160635 51717529024 52113326440 59558087360 63838824889 64646911280 72958657016 83381322304 90391256480 91198321270 104226652880 127677649778 129293822560 145917314032 180782512960 182396642540 208453305760 255355299556 258587645120 291834628064 319194124445 364793285080 416906611520 510710599112 583669256128 638388248890 729586570160 1021421198224 1276776497780 1459173140320 2042842396448 2553552995560 2918346280640 4085684792896 5107105991120 10214211982240 20428423964480
• Sum of all divisors σ(n): 57958329600000
• Sum of proper divisors (its aliquot sum) s(n): 37529905635520
• 20428423964480 is an abundant number, because the sum of its proper divisors (37529905635520) is greater than itself. Its abundance is 17101481671040

Bases of 20428423964480

• Binary: 100101001010001011100111101000010011101000000₂
• Hexadecimal: 0x12945CF42740
• Base-36: 78OOS6K3K

Squares and roots of 20428423964480

• 20428423964480 squared (20428423964480²) is 417320505672540760301670400
• 20428423964480 cubed (20428423964480³) is 8525200218949843447236243033534267392000
• The square root of 20428423964480 is 4519781.4067142671
• The cube root of 20428423964480 is 27336.6287097139

Scales and comparisons

• 20,428,423,964,480 seconds is equal to 649,560 years, 36 weeks, 4 hours, 21 minutes, 20 seconds.
• To count from 1 to 20,428,423,964,480 would take you about one million, six hundred twenty-three thousand, nine hundred one 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 20428423964480 cubic inches would be around 2278.1 feet tall.

Recreational maths with 20428423964480

• 20428423964480 backwards is 08446932482402
• 20428423964480 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 20428423964480's digits is 56
• More coming soon!