19494961920

Names of 19494961920

• Cardinal: 19494961920 can be written as Nineteen billion, four hundred ninety-four million, nine hundred sixty-one thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.949496192 × 10¹⁰

Factors of 19494961920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 497

Divisors of 19494961920

• Number of divisors d(n): 648
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 23 24 28 30 32 35 36 40 42 45 46 48 56 60 63 64 69 70 72 80 84 90 92 96 105 112 115 120 126 128 138 140 144 160 161 168 180 184 192 207 210 224 230 240 252 256 276 280 288 315 320 322 336 345 360 368 384 414 420 448 457 460 480 483 504 529 552 560 576 630 640 644 672 690 720 736 768 805 828 840 896 914 920 960 966 1008 1035 1058 1104 1120 1152 1260 1280 1288 1344 1371 1380 1440 1449 1472 1587 1610 1656 1680 1792 1828 1840 1920 1932 2016 2070 2116 2208 2240 2285 2304 2415 2520 2576 2645 2688 2742 2760 2880 2898 2944 3174 3199 3220 3312 3360 3656 3680 3703 3840 3864 4032 4113 4140 4232 4416 4480 4570 4761 4830 5040 5152 5290 5376 5484 5520 5760 5796 5888 6348 6398 6440 6624 6720 6855 7245 7312 7360 7406 7728 7935 8064 8226 8280 8464 8832 8960 9140 9522 9597 9660 10080 10304 10511 10580 10968 11040 11109 11520 11592 12696 12796 12880 13248 13440 13710 14490 14624 14720 14812 15456 15870 15995 16128 16452 16560 16928 17664 18280 18515 19044 19194 19320 20160 20565 20608 21022 21160 21936 22080 22218 23184 23805 25392 25592 25760 26496 26880 27420 28791 28980 29248 29440 29624 30912 31533 31740 31990 32904 33120 33327 33856 36560 37030 38088 38388 38640 40320 41130 41216 42044 42320 43872 44160 44436 46368 47610 47985 50784 51184 51520 52555 52992 54840 55545 57582 57960 58496 59248 61824 63066 63480 63980 65808 66240 66654 67712 73120 73577 74060 76176 76776 77280 80640 82260 84088 84640 87744 88320 88872 92736 94599 95220 95970 101568 102368 103040 105110 109680 111090 115164 115920 116992 118496 123648 126132 126960 127960 131616 132480 133308 135424 143955 146240 147154 148120 152352 153552 154560 157665 164520 166635 168176 169280 175488 177744 185472 189198 190440 191940 203136 204736 206080 210220 219360 220731 222180 230328 231840 236992 241753 252264 253920 255920 263232 264960 266616 287910 292480 294308 296240 304704 307104 309120 315330 329040 333270 336352 338560 350976 355488 367885 370944 378396 380880 383880 406272 409472 420440 438720 441462 444360 460656 463680 472995 473984 483506 504528 507840 511840 526464 533232 575820 584960 588616 592480 609408 614208 618240 630660 658080 662193 666540 672704 677120 710976 725259 735770 756792 761760 767760 818944 840880 877440 882924 888720 921312 927360 945990 947968 967012 1009056 1015680 1023680 1052928 1066464 1103655 1151640 1177232 1184960 1208765 1218816 1228416 1261320 1316160 1324386 1333080 1345408 1421952 1450518 1471540 1513584 1523520 1535520 1681760 1692271 1754880 1765848 1777440 1842624 1854720 1891980 1934024 2018112 2031360 2047360 2132928 2175777 2207310 2303280 2354464 2369920 2417530 2456832 2522640 2632320 2648772 2666160 2690816 2843904 2901036 2943080 3027168 3047040 3071040 3310965 3363520 3384542 3531696 3554880 3626295 3685248 3783960 3868048 4036224 4094720 4265856 4351554 4414620 4606560 4708928 4739840 4835060 5045280 5076813 5264640 5297544 5332320 5802072 5886160 6054336 6094080 6142080 6621930 6727040 6769084 7063392 7109760 7252590 7370496 7567920 7736096 8072448 8461355 8531712 8703108 8829240 9213120 9417856 9670120 10090560 10153626 10595088 10664640 10878885 11604144 11772320 12108672 12284160 13243860 13454080 13538168 14126784 14219520 14505180 15135840 15230439 15472192 16922710 17406216 17658480 18426240 18835712 19340240 20181120 20307252 21190176 21329280 21757770 23208288 23544640 24217344 25384065 26487720 27076336 28253568 29010360 30271680 30460878 30944384 33845420 34812432 35316960 36852480 38680480 40362240 40614504 42380352 42658560 43515540 46416576 47089280 50768130 52975440 54152672 56507136 58020720 60543360 60921756 61888768 67690840 69624864 70633920 76152195 77360960 81229008 84760704 87031080 92833152 94178560 101536260 105950880 108305344 116041440 121086720 121843512 135381680 139249728 141267840 152304390 154721920 162458016 169521408 174062160 185666304 203072520 211901760 216610688 232082880 243687024 270763360 278499456 282535680 304608780 309443840 324916032 348124320 406145040 423803520 433221376 464165760 487374048 541526720 556998912 609217560 649832064 696248640 812290080 847607040 928331520 974748096 1083053440 1218435120 1299664128 1392497280 1624580160 1949496192 2166106880 2436870240 2784994560 3249160320 3898992384 4873740480 6498320640 9747480960 19494961920
• Sum of all divisors σ(n): 80759960736
• Sum of proper divisors (its aliquot sum) s(n): 61264998816
• 19494961920 is an abundant number, because the sum of its proper divisors (61264998816) is greater than itself. Its abundance is 41770036896

Bases of 19494961920

• Binary: 10010001001111111011000001100000000₂
• Hexadecimal: 0x489FD8300
• Base-36: 8YESOW0

Squares and roots of 19494961920

• 19494961920 squared (19494961920²) is 380053540262250086400
• 19494961920 cubed (19494961920³) is 7409129294973752247884709888000
• The square root of 19494961920 is 139624.3600522487
• The cube root of 19494961920 is 2691.3744821819

Scales and comparisons

• 19,494,961,920 seconds is equal to 619 years, 45 weeks, 5 days, 3 hours, 12 minutes.
• To count from 1 to 19,494,961,920 would take you about one thousand, two hundred thirty-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 19494961920 cubic inches would be around 224.3 feet tall.

Recreational maths with 19494961920

• 19494961920 backwards is 02916949491
• The number of decimal digits it has is: 11
• The sum of 19494961920's digits is 54
• More coming soon!