17938949490

Names of 17938949490

• Cardinal: 17938949490 can be written as Seventeen billion, nine hundred thirty-eight million, nine hundred forty-nine thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.793894949 × 10¹⁰

Factors of 17938949490

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 289

Divisors of 17938949490

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 14 15 18 21 22 30 31 33 35 42 45 49 55 62 63 66 70 77 79 90 93 98 99 105 110 126 147 151 154 155 158 165 186 198 210 217 231 237 245 279 294 302 310 315 330 341 385 395 434 441 453 462 465 474 490 495 539 553 558 630 651 682 693 711 735 755 770 790 869 882 906 930 990 1023 1057 1078 1085 1106 1155 1185 1302 1359 1386 1395 1422 1470 1510 1519 1617 1659 1661 1705 1738 1953 2046 2114 2170 2205 2265 2310 2370 2387 2449 2607 2695 2718 2765 2790 3038 3069 3171 3234 3255 3318 3322 3410 3465 3555 3871 3906 4345 4410 4530 4557 4681 4774 4851 4898 4977 4983 5115 5214 5285 5390 5530 6083 6138 6342 6510 6795 6930 7110 7161 7347 7399 7595 7742 7821 8085 8295 8305 8690 9114 9362 9513 9702 9765 9954 9966 10230 10570 11613 11627 11929 11935 12166 12245 13035 13590 13671 14043 14322 14694 14798 14949 15190 15345 15642 15855 16170 16590 16610 16709 17143 18249 19026 19355 19530 21483 22041 22197 22785 23226 23254 23405 23858 23870 24255 24490 24885 24915 26070 26939 27342 28086 29898 30415 30690 31710 32767 33418 34286 34839 34881 35787 35805 36498 36735 36995 38710 39105 42129 42581 42966 44082 44394 45570 46810 47565 48510 49770 49830 50127 51429 51491 53878 54747 58065 58135 59645 60830 65534 66591 68355 69678 69762 70215 71574 71610 73470 73990 74745 78210 80817 81389 83503 83545 84258 85162 85715 91245 95130 98301 100254 102858 102982 104643 107361 107415 109494 110205 110985 116130 116270 119290 120001 127743 131219 133182 134695 136710 140430 149490 150381 154287 154473 161634 162778 163835 167006 167090 171430 174195 174405 178935 182490 188573 196602 209286 210645 212905 214722 214830 220410 221970 229369 240002 242451 244167 250509 250635 255486 257145 257455 262438 269390 273735 294903 300762 308574 308946 327670 332955 348390 348810 357870 360003 360437 369799 377146 383229 393657 404085 406945 417515 421290 425810 458738 463419 484902 488334 491505 501018 501270 514290 514910 523215 536805 547470 565719 584521 589806 600005 638715 656095 665910 688107 720006 720874 732501 739598 751527 751905 766458 771435 772365 787314 808170 813890 835030 918533 926838 942865 983010 1046430 1073610 1080009 1081311 1109397 1131438 1146845 1169042 1180971 1200010 1212255 1220835 1252545 1277430 1312190 1320011 1376214 1465002 1474515 1503054 1503810 1542870 1544730 1697157 1753563 1800015 1802185 1837066 1848995 1885730 1916145 1968285 2064321 2160018 2162622 2218794 2293690 2317095 2361942 2424510 2441670 2505090 2523059 2588593 2640022 2755599 2828595 2922605 2949030 3243933 3328191 3394314 3440535 3507126 3600030 3604370 3662505 3697990 3757635 3832290 3936570 3960033 4067789 4128642 4592665 4634190 5046118 5177186 5260689 5400045 5406555 5511198 5546985 5657190 5845210 5904855 6429731 6487866 6600055 6656382 6881070 7325010 7515270 7569177 7765779 7920066 8135578 8266797 8485785 8767815 9185330 10321605 10521378 10800090 10813110 11093970 11809710 11880099 12203367 12615295 12859462 12942965 13200110 13777995 15138354 15531558 16219665 16533594 16640955 16971570 17535630 18120151 19289193 19800165 20338945 20643210 22707531 23297337 23760198 24406734 25230590 25885930 26303445 27555990 28474523 32148655 32439330 33281910 36240302 36610101 37845885 38578386 38828895 39600330 40677890 41333985 45415062 46594674 52606890 54360453 56949046 57867579 59400495 61016835 64297310 73220202 75691770 77657790 82667970 85423569 90600755 96445965 108720906 113537655 115735158 116486685 118800990 122033670 142372615 163081359 170847138 181201510 183050505 192891930 199321661 227075310 232973370 256270707 271802265 284745230 289337895 326162718 366101010 398643322 427117845 512541414 543604530 578675790 597964983 815406795 854235690 996608305 1195929966 1281353535 1630813590 1793894949 1993216610 2562707070 2989824915 3587789898 5979649830 8969474745 17938949490
• Sum of all divisors σ(n): 62280990720
• Sum of proper divisors (its aliquot sum) s(n): 44342041230
• 17938949490 is an abundant number, because the sum of its proper divisors (44342041230) is greater than itself. Its abundance is 26403091740

Bases of 17938949490

• Binary: 10000101101001111101010010101110010₂
• Hexadecimal: 0x42D3EA572
• Base-36: 88ODY0I

Squares and roots of 17938949490

• 17938949490 squared (17938949490²) is 321805908804771260100
• 17938949490 cubed (17938949490³) is 5772859943632337905937552349000
• The square root of 17938949490 is 133936.3635836063
• The cube root of 17938949490 is 2617.7751196165

Scales and comparisons

• 17,938,949,490 seconds is equal to 570 years, 20 weeks, 6 days, 17 hours, 31 minutes, 30 seconds.
• To count from 1 to 17,938,949,490 would take you about one thousand, one hundred forty 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 17938949490 cubic inches would be around 218.1 feet tall.

Recreational maths with 17938949490

• 17938949490 backwards is 09494983971
• 17938949490 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 17938949490's digits is 63
• More coming soon!