18231920640

Names of 18231920640

• Cardinal: 18231920640 can be written as Eighteen billion, two hundred thirty-one million, nine hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.823192064 × 10¹⁰

Factors of 18231920640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 458

Divisors of 18231920640

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 81 85 90 96 102 108 120 128 135 136 144 153 160 162 170 180 192 204 216 240 243 255 256 270 272 288 306 320 324 340 360 384 405 408 431 432 459 480 486 510 512 540 544 576 612 640 648 680 720 765 768 810 816 862 864 918 960 972 1020 1024 1080 1088 1152 1215 1224 1280 1293 1296 1360 1377 1440 1530 1536 1620 1632 1724 1728 1836 1920 1944 2040 2048 2155 2160 2176 2295 2304 2430 2448 2560 2586 2592 2720 2754 2880 3060 3072 3240 3264 3448 3456 3672 3840 3879 3888 4080 4131 4310 4320 4352 4590 4608 4860 4896 5120 5172 5184 5440 5508 5760 6120 6144 6465 6480 6528 6885 6896 6912 7327 7344 7680 7758 7776 8160 8262 8620 8640 8704 9180 9216 9720 9792 10240 10344 10368 10880 11016 11520 11637 12240 12930 12960 13056 13770 13792 13824 14654 14688 15360 15516 15552 16320 16524 17240 17280 17408 18360 18432 19395 19440 19584 20655 20688 20736 21760 21981 22032 23040 23274 24480 25860 25920 26112 27540 27584 27648 29308 29376 30720 31032 31104 32640 33048 34480 34560 34816 34911 36635 36720 38790 38880 39168 41310 41376 41472 43520 43962 44064 46080 46548 48960 51720 51840 52224 55080 55168 55296 58185 58616 58752 62064 62208 65280 65943 66096 68960 69120 69822 73270 73440 77580 77760 78336 82620 82752 82944 87040 87924 88128 92160 93096 97920 103440 103680 104448 104733 109905 110160 110336 116370 117232 117504 124128 124416 130560 131886 132192 137920 138240 139644 146540 146880 155160 155520 156672 165240 165504 165888 174080 174555 175848 176256 186192 195840 197829 206880 207360 209466 219810 220320 220672 232740 234464 235008 248256 248832 261120 263772 264384 275840 276480 279288 293080 293760 310320 311040 313344 329715 330480 331008 349110 351696 352512 372384 391680 395658 413760 414720 418932 439620 440640 441344 465480 468928 470016 496512 497664 522240 523665 527544 528768 551680 558576 586160 587520 593487 620640 622080 659430 660960 662016 698220 703392 705024 744768 783360 791316 827520 829440 837864 879240 881280 882688 930960 937856 940032 989145 993024 1047330 1055088 1057536 1103360 1117152 1172320 1175040 1186974 1241280 1244160 1318860 1321920 1324032 1396440 1406784 1410048 1489536 1566720 1582632 1655040 1675728 1758480 1762560 1780461 1861920 1875712 1978290 1986048 2094660 2110176 2115072 2206720 2234304 2344640 2350080 2373948 2482560 2488320 2637720 2643840 2648064 2792880 2813568 2820096 2967435 2979072 3165264 3310080 3351456 3516960 3525120 3560922 3723840 3751424 3956580 3972096 4189320 4220352 4230144 4413440 4468608 4689280 4700160 4747896 4965120 5275440 5287680 5585760 5627136 5934870 5958144 6330528 6620160 6702912 7033920 7050240 7121844 7447680 7502848 7913160 7944192 8378640 8440704 8460288 8902305 8937216 9378560 9495792 9930240 10550880 10575360 11171520 11254272 11869740 11916288 12661056 13240320 13405824 14067840 14100480 14243688 14895360 15005696 15826320 16757280 16881408 17804610 17874432 18757120 18991584 19860480 21101760 21150720 22343040 22508544 23739480 23832576 25322112 26811648 28135680 28487376 29790720 31652640 33514560 33762816 35609220 35748864 37514240 37983168 39720960 42203520 42301440 44686080 45017088 47478960 50644224 53623296 56271360 56974752 59581440 63305280 67029120 67525632 71218440 71497728 75028480 75966336 84407040 89372160 94957920 101288448 107246592 112542720 113949504 119162880 126610560 134058240 135051264 142436880 151932672 168814080 178744320 189915840 202576896 214493184 225085440 227899008 253221120 268116480 284873760 303865344 337628160 357488640 379831680 405153792 455798016 506442240 536232960 569747520 607730688 675256320 759663360 911596032 1012884480 1072465920 1139495040 1215461376 1519326720 1823192064 2025768960 2278990080 3038653440 3646384128 4557980160 6077306880 9115960320 18231920640
• Sum of all divisors σ(n): 69544500480
• Sum of proper divisors (its aliquot sum) s(n): 51312579840
• 18231920640 is an abundant number, because the sum of its proper divisors (51312579840) is greater than itself. Its abundance is 33080659200

Bases of 18231920640

• Binary: 10000111110101101010000100000000000₂
• Hexadecimal: 0x43EB50800
• Base-36: 8DITC00

Squares and roots of 18231920640

• 18231920640 squared (18231920640²) is 332402930223258009600
• 18231920640 cubed (18231920640³) is 6060343844333897513271558144000
• The square root of 18231920640 is 135025.6295671307
• The cube root of 18231920640 is 2631.9490263377

Scales and comparisons

• 18,231,920,640 seconds is equal to 579 years, 37 weeks, 2 days, 14 hours, 24 minutes.
• To count from 1 to 18,231,920,640 would take you about one thousand, one hundred fifty-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 18231920640 cubic inches would be around 219.3 feet tall.

Recreational maths with 18231920640

• 18231920640 backwards is 04602913281
• 18231920640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18231920640's digits is 36
• More coming soon!