18329866380

Names of 18329866380

• Cardinal: 18329866380 can be written as Eighteen billion, three hundred twenty-nine million, eight hundred sixty-six thousand, three hundred eighty.

Scientific notation

• Scientific notation: 1.832986638 × 10¹⁰

Factors of 18329866380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 638

Divisors of 18329866380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 73 84 90 105 108 126 135 140 146 180 181 189 210 219 252 270 292 315 362 365 367 378 420 438 511 540 543 630 657 724 730 734 756 876 905 945 1022 1086 1095 1101 1260 1267 1314 1460 1468 1533 1629 1810 1835 1890 1971 2044 2172 2190 2202 2534 2555 2569 2628 2715 3066 3258 3285 3303 3620 3670 3780 3801 3942 4380 4404 4599 4887 5068 5110 5138 5430 5505 6132 6335 6516 6570 6606 7340 7602 7665 7707 7884 8145 9198 9774 9855 9909 10220 10276 10860 11010 11403 12670 12845 13140 13212 13213 13797 15204 15330 15414 16290 16515 18396 19005 19548 19710 19818 22020 22806 22995 23121 24435 25340 25690 26426 26791 27594 30660 30828 32580 33030 34209 38010 38535 39420 39636 39639 45612 45990 46242 48870 49545 51380 52852 53582 55188 57015 66060 66065 66427 68418 68985 69363 76020 77070 79278 80373 91980 92484 92491 97740 99090 107164 114030 115605 118917 132130 132854 133955 136836 137970 138726 154140 158556 160746 171045 184982 187537 198180 198195 199281 228060 231210 237834 241119 264260 265708 267910 275940 277452 277473 321492 332135 342090 346815 356751 369964 375074 396390 398562 401865 462420 462455 464989 475668 482238 535820 554946 562611 594585 597843 664270 684180 693630 713502 723357 750148 792780 797124 803730 832419 924910 929978 937685 964476 996405 1109892 1125222 1189170 1195686 1205595 1328540 1387260 1387365 1394967 1427004 1446714 1607460 1664838 1687833 1783755 1793529 1849820 1859956 1875370 1992810 2250444 2324945 2378340 2391372 2411190 2497257 2774730 2789934 2813055 2893428 2989215 3329676 3375666 3567510 3587058 3616785 3750740 3985620 4162095 4184901 4649890 4822380 4849171 4994514 5063499 5549460 5579868 5626110 5978430 6751332 6974835 7135020 7174116 7233570 8324190 8369802 8439165 8967645 9299780 9698342 9989028 10126998 11252220 11956860 12486285 12554703 13949670 14467140 14547513 16648380 16739604 16878330 17935290 19396684 20253996 20924505 24245855 24972570 25109406 25317495 27899340 29095026 33756660 33944197 35870580 41849010 43642539 48491710 49945140 50218812 50634990 58190052 62773515 67888394 72737565 83698020 87285078 96983420 101269980 101832591 125547030 130927617 135776788 145475130 169720985 174570156 203665182 218212695 251094060 261855234 290950260 305497773 339441970 407330364 436425390 509162955 523710468 610995546 654638085 678883940 872850780 916493319 1018325910 1221991092 1309276170 1527488865 1832986638 2036651820 2618552340 3054977730 3665973276 4582466595 6109955460 9164933190 18329866380
• Sum of all divisors σ(n): 66611650560
• Sum of proper divisors (its aliquot sum) s(n): 48281784180
• 18329866380 is an abundant number, because the sum of its proper divisors (48281784180) is greater than itself. Its abundance is 29951917800

Bases of 18329866380

• Binary: 10001000100100010111001000010001100₂
• Hexadecimal: 0x4448B908C
• Base-36: 8F54NF0

Squares and roots of 18329866380

• 18329866380 squared (18329866380²) is 335984001508654304400
• 18329866380 cubed (18329866380³) is 6158541853471351813263846072000
• The square root of 18329866380 is 135387.8368982975
• The cube root of 18329866380 is 2636.6537407051

Scales and comparisons

• 18,329,866,380 seconds is equal to 582 years, 43 weeks, 2 days, 5 hours, 33 minutes.
• To count from 1 to 18,329,866,380 would take you about one thousand, one hundred sixty-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 18329866380 cubic inches would be around 219.7 feet tall.

Recreational maths with 18329866380

• 18329866380 backwards is 08366892381
• 18329866380 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18329866380's digits is 54
• More coming soon!