19913130720

Names of 19913130720

• Cardinal: 19913130720 can be written as Nineteen billion, nine hundred thirteen million, one hundred thirty thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.991313072 × 10¹⁰

Factors of 19913130720

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 46

Divisors of 19913130720

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 29 30 32 35 36 40 42 45 48 54 56 58 60 63 70 72 80 81 84 87 90 96 105 108 112 116 120 126 135 140 144 145 160 162 168 174 180 189 203 210 216 224 232 240 243 252 261 270 280 288 290 315 324 336 348 360 378 405 406 420 432 435 464 480 486 504 522 540 560 567 580 609 630 648 672 696 720 729 756 783 810 812 840 841 864 870 928 945 972 1008 1015 1044 1080 1120 1134 1160 1215 1218 1260 1296 1305 1392 1440 1458 1512 1566 1620 1624 1680 1682 1701 1740 1827 1890 1944 2016 2030 2088 2160 2268 2320 2349 2430 2436 2520 2523 2592 2610 2784 2835 2916 3024 3045 3132 3240 3248 3360 3364 3402 3480 3645 3654 3780 3888 3915 4060 4176 4205 4320 4536 4640 4698 4860 4872 5040 5046 5103 5220 5481 5670 5832 5887 6048 6090 6264 6480 6496 6728 6804 6960 7047 7290 7308 7560 7569 7776 7830 8120 8352 8410 8505 9072 9135 9396 9720 9744 10080 10092 10206 10440 10962 11340 11664 11745 11774 12180 12528 12615 12960 13456 13608 13920 14094 14580 14616 15120 15138 15660 16240 16443 16820 17010 17661 18144 18270 18792 19440 19488 20184 20412 20880 21141 21924 22680 22707 23328 23490 23548 24360 24389 25056 25230 25515 26912 27216 27405 28188 29160 29232 29435 30240 30276 31320 32480 32886 33640 34020 35235 35322 36540 37584 37845 38880 40368 40824 41760 42282 43848 45360 45414 46980 47096 48720 48778 49329 50460 51030 52983 54432 54810 56376 58320 58464 58870 60552 62640 65772 67280 68040 68121 70470 70644 73080 73167 75168 75690 80736 81648 82215 84564 87696 88305 90720 90828 93960 94192 97440 97556 98658 100920 102060 105705 105966 109620 112752 113535 116640 117740 121104 121945 125280 131544 134560 136080 136242 140940 141288 146160 146334 147987 151380 158949 163296 164430 169128 170723 175392 176610 181656 187920 188384 195112 197316 201840 204120 204363 211410 211932 219240 219501 225504 227070 235480 242208 243890 246645 263088 264915 272160 272484 281880 282576 292320 292668 295974 302760 317898 328860 338256 340605 341446 353220 363312 365835 375840 390224 394632 403680 408240 408726 422820 423864 438480 439002 454140 470960 476847 487780 493290 512169 526176 529830 544968 563760 565152 585336 591948 605520 613089 635796 657720 658503 676512 681210 682892 706440 726624 731670 739935 780448 789264 794745 816480 817452 845640 847728 853615 876960 878004 908280 941920 953694 975560 986580 1021815 1024338 1059660 1089936 1097505 1127520 1170672 1183896 1211040 1226178 1271592 1315440 1317006 1362420 1365784 1412880 1430541 1463340 1479870 1536507 1578528 1589490 1634904 1691280 1695456 1707230 1756008 1816560 1907388 1951120 1973160 1975509 2043630 2048676 2119320 2179872 2195010 2341344 2367792 2384235 2452356 2543184 2560845 2630880 2634012 2724840 2731568 2825760 2861082 2926680 2959740 3065445 3073014 3178980 3269808 3292515 3382560 3414460 3512016 3633120 3814776 3902240 3946320 3951018 4087260 4097352 4238640 4291623 4390020 4609521 4735584 4768470 4904712 5086368 5121690 5268024 5449680 5463136 5722164 5853360 5919480 5926527 6130890 6146028 6357960 6539616 6585030 6828920 7024032 7152705 7629552 7682535 7892640 7902036 8174520 8194704 8477280 8583246 8780040 9219042 9536940 9809424 9877545 10243380 10536048 10899360 11444328 11706720 11838960 11853054 12261780 12292056 12715920 13170060 13657840 13828563 14305410 15259104 15365070 15804072 16349040 16389408 17166492 17560080 17779581 18438084 19073880 19618848 19755090 20486760 21072096 21458115 22888656 23047605 23677920 23706108 24523560 24584112 25431840 26340120 27315680 27657126 28610820 29632635 30730140 31608144 32698080 34332984 35120160 35559162 36876168 38147760 39510180 40973520 41485689 42916230 45777312 46095210 47412216 49047120 49168224 52680240 55314252 57221640 59265270 61460280 63216288 68665968 69142815 71118324 73752336 76295520 79020360 81947040 82971378 85832460 88897905 92190420 94824432 98094240 105360480 110628504 114443280 118530540 122920560 124457067 137331936 138285630 142236648 147504672 158040720 165942756 171664920 177795810 184380840 189648864 207428445 221257008 228886560 237061080 245841120 248914134 276571260 284473296 316081440 331885512 343329840 355591620 368761680 414856890 442514016 474122160 497828268 553142520 568946592 622285335 663771024 686659680 711183240 737523360 829713780 948244320 995656536 1106285040 1244570670 1327542048 1422366480 1659427560 1991313072 2212570080 2489141340 2844732960 3318855120 3982626144 4978282680 6637710240 9956565360 19913130720
• Sum of all divisors σ(n): 83490160320
• Sum of proper divisors (its aliquot sum) s(n): 63577029600
• 19913130720 is an abundant number, because the sum of its proper divisors (63577029600) is greater than itself. Its abundance is 43663898880

Bases of 19913130720

• Binary: 10010100010111010100100001011100000₂
• Hexadecimal: 0x4A2EA42E0
• Base-36: 95BRI00

Squares and roots of 19913130720

• 19913130720 squared (19913130720²) is 396532775071807718400
• 19913130720 cubed (19913130720³) is 7896208984769264483204149248000
• The square root of 19913130720 is 141113.8927249901
• The cube root of 19913130720 is 2710.4819211663

Scales and comparisons

• 19,913,130,720 seconds is equal to 633 years, 9 weeks, 1 day, 1 hour, 12 minutes.
• To count from 1 to 19,913,130,720 would take you about one thousand, two hundred sixty-six 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 19913130720 cubic inches would be around 225.9 feet tall.

Recreational maths with 19913130720

• 19913130720 backwards is 02703131991
• 19913130720 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19913130720's digits is 36
• More coming soon!