18949301490

Names of 18949301490

• Cardinal: 18949301490 can be written as Eighteen billion, nine hundred forty-nine million, three hundred one thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.894930149 × 10¹⁰

Factors of 18949301490

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 717

Divisors of 18949301490

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 30 31 35 42 43 62 70 86 93 105 129 139 155 186 210 215 217 258 278 301 310 417 430 434 465 487 602 645 651 695 834 903 930 973 974 1085 1290 1302 1333 1390 1461 1505 1806 1946 2085 2170 2435 2666 2919 2922 3010 3255 3409 3999 4170 4309 4515 4865 4870 5838 5977 6510 6665 6818 7305 7998 8618 9030 9331 9730 10227 11954 12927 13330 14595 14610 15097 17045 17931 18662 19995 20454 20941 21545 25854 27993 29190 29885 30163 30194 34090 35862 39990 41839 41882 43090 45291 46655 51135 55986 59770 60326 62823 64635 67693 75485 83678 89655 90489 90582 93310 102270 104705 105679 125517 125646 129270 135386 139965 146587 150815 150970 179310 180978 185287 203079 209195 209410 211358 226455 251034 279930 293174 301630 314115 317037 338465 370574 406158 418390 439761 452445 452910 473851 528395 555861 627585 628230 634074 649171 676930 732935 879522 904890 926435 947702 1015395 1056790 1111722 1255170 1297009 1298342 1421553 1465870 1585185 1852870 1947513 2030790 2098483 2198805 2369255 2594018 2779305 2843106 2910799 3170370 3245855 3891027 3895026 4196966 4397610 4544197 4738510 5558610 5821598 6295449 6485045 6491710 7107765 7782054 8732397 9088394 9737565 10492415 12590898 12970090 13632591 14215530 14553995 14689381 17464794 19455135 19475130 20375593 20984830 22720985 27265182 29107990 29378762 31477245 38910270 40751186 43661985 44068143 45441970 61126779 62954490 68162955 73446905 87323970 88136286 90234769 101877965 122253558 136325910 146893810 180469538 203755930 220340715 270704307 305633895 440681430 451173845 541408614 611267790 631643383 902347690 1263286766 1353521535 1894930149 2707043070 3158216915 3789860298 6316433830 9474650745 18949301490
• Sum of all divisors σ(n): 55408066560
• Sum of proper divisors (its aliquot sum) s(n): 36458765070
• 18949301490 is an abundant number, because the sum of its proper divisors (36458765070) is greater than itself. Its abundance is 17509463580

Bases of 18949301490

• Binary: 10001101001011101110110010011110010₂
• Hexadecimal: 0x4697764F2
• Base-36: 8PDXALU

Squares and roots of 18949301490

• 18949301490 squared (18949301490²) is 359076026958916220100
• 18949301490 cubed (18949301490³) is 6804239892675871298326097949000
• The square root of 18949301490 is 137656.4618534125
• The cube root of 18949301490 is 2666.0261312767

Scales and comparisons

• 18,949,301,490 seconds is equal to 602 years, 27 weeks, 3 days, 14 hours, 51 minutes, 30 seconds.
• To count from 1 to 18,949,301,490 would take you about one thousand, two hundred five 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 18949301490 cubic inches would be around 222.2 feet tall.

Recreational maths with 18949301490

• 18949301490 backwards is 09410394981
• The number of decimal digits it has is: 11
• The sum of 18949301490's digits is 48
• More coming soon!