20724913440

Names of 20724913440

• Cardinal: 20724913440 can be written as Twenty billion, seven hundred twenty-four million, nine hundred thirteen thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.072491344 × 10¹⁰

Factors of 20724913440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 894

Divisors of 20724913440

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 16 18 20 21 22 24 28 30 32 33 35 36 40 42 44 45 48 55 56 60 63 66 70 72 77 80 84 88 90 96 99 105 110 112 120 126 132 140 144 154 160 165 168 176 180 198 210 220 224 231 240 252 264 280 288 308 315 330 336 352 360 385 396 409 420 440 457 462 480 495 504 528 560 616 630 660 672 693 720 770 792 818 840 880 914 924 990 1008 1056 1120 1155 1227 1232 1260 1320 1371 1386 1440 1540 1584 1636 1680 1760 1828 1848 1980 2016 2045 2285 2310 2454 2464 2520 2640 2742 2772 2863 3080 3168 3199 3272 3360 3465 3656 3681 3696 3960 4090 4113 4499 4570 4620 4908 5027 5040 5280 5484 5544 5726 6135 6160 6398 6544 6855 6930 7312 7362 7392 7920 8180 8226 8589 8998 9140 9240 9597 9816 10054 10080 10968 11088 11452 12270 12320 12796 13088 13497 13710 13860 14315 14624 14724 15081 15840 15995 16360 16452 17178 17996 18280 18405 18480 19194 19632 20108 20565 21936 22176 22495 22904 24540 25135 25592 25767 26994 27420 27720 28630 28791 29448 30162 31493 31990 32720 32904 34356 35189 35992 36560 36810 36960 38388 39264 40216 40491 41130 42945 43872 44990 45243 45808 47985 49080 50270 51184 51534 53988 54840 55440 57260 57582 58896 60324 62986 63980 65440 65808 67485 68712 70378 71984 73120 73620 75405 76776 80432 80982 82260 85890 89980 90486 91616 94479 95970 98160 100540 102368 103068 105567 107976 109680 110880 114520 115164 117792 120648 125972 127960 128835 131616 134970 137424 140756 143955 143968 147240 150810 153552 157465 160864 161964 164520 171780 175945 179960 180972 186913 188958 191940 196320 201080 202455 206136 211134 215952 219360 226215 229040 230328 241296 251944 255920 257670 269940 274848 281512 283437 287910 294480 301620 307104 314930 316701 323928 329040 343560 351890 359920 361944 373826 377916 383880 402160 404910 412272 422268 431904 452430 458080 460656 472395 482592 503888 511840 515340 527835 539880 560739 563024 566874 575820 588960 603240 629860 633402 647856 658080 687120 703780 719840 723888 747652 755832 767760 804320 809820 824544 844536 904860 921312 934565 944790 1007776 1030680 1055670 1079760 1121478 1126048 1133748 1151640 1206480 1259720 1266804 1295712 1308391 1374240 1407560 1417185 1447776 1495304 1511664 1535520 1583505 1619640 1682217 1689072 1809720 1869130 1889580 2056043 2061360 2111340 2159520 2242956 2267496 2303280 2412960 2519440 2533608 2616782 2803695 2815120 2834370 2990608 3023328 3167010 3239280 3364434 3378144 3619440 3738260 3779160 3925173 4112086 4122720 4222680 4485912 4534992 4606560 5038880 5067216 5233564 5607390 5630240 5668740 5981216 6168129 6334020 6478560 6541955 6728868 7238880 7476520 7558320 7850346 8224172 8411085 8445360 8971824 9069984 10134432 10280215 10467128 11214780 11337480 11775519 12336258 12668040 13083910 13457736 14392301 14953040 15116640 15700692 16448344 16822170 16890720 17943648 18504387 19625865 20560430 20934256 22429560 22674960 23551038 24672516 25336080 26167820 26915472 28784602 29906080 30840645 31401384 32896688 33644340 37008774 39251730 41120860 41868512 43176903 44859120 45349920 47102076 49345032 50672160 52335640 53830944 57569204 58877595 61681290 62802768 65793376 67288680 71961505 74017548 78503460 82241720 86353806 89718240 92521935 94204152 98690064 104671280 115138408 117755190 123362580 125605536 129530709 134577360 143923010 148035096 157006920 164483440 172707612 185043870 188408304 197380128 209342560 215884515 230276816 235510380 246725160 259061418 269154720 287846020 296070192 314013840 328966880 345415224 370087740 376816608 431769030 460553632 471020760 493450320 518122836 575692040 592140384 628027680 647653545 690830448 740175480 863538060 942041520 986900640 1036245672 1151384080 1295307090 1381660896 1480350960 1727076120 1884083040 2072491344 2302768160 2590614180 2960701920 3454152240 4144982688 5181228360 6908304480 10362456720 20724913440
• Sum of all divisors σ(n): 88584088320
• Sum of proper divisors (its aliquot sum) s(n): 67859174880
• 20724913440 is an abundant number, because the sum of its proper divisors (67859174880) is greater than itself. Its abundance is 47134261440

Bases of 20724913440

• Binary: 10011010011010011010001010100100000₂
• Hexadecimal: 0x4D34D1520
• Base-36: 9IR2TK0

Squares and roots of 20724913440

• 20724913440 squared (20724913440²) is 429522037095492633600
• 20724913440 cubed (20724913440³) is 8901807039376553845517635584000
• The square root of 20724913440 is 143961.4998532593
• The cube root of 20724913440 is 2746.8244751235

Scales and comparisons

• 20,724,913,440 seconds is equal to 658 years, 51 weeks, 2 days, 16 hours, 24 minutes.
• To count from 1 to 20,724,913,440 would take you about one thousand, three hundred seventeen 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 20724913440 cubic inches would be around 228.9 feet tall.

Recreational maths with 20724913440

• 20724913440 backwards is 04431942702
• 20724913440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 20724913440's digits is 36
• More coming soon!