18239207040

Names of 18239207040

• Cardinal: 18239207040 can be written as Eighteen billion, two hundred thirty-nine million, two hundred seven thousand and forty.

Scientific notation

• Scientific notation: 1.823920704 × 10¹⁰

Factors of 18239207040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 617

Divisors of 18239207040

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 64 71 72 80 90 96 103 120 128 142 144 160 180 192 206 213 240 284 288 309 320 355 360 384 412 426 433 480 515 568 576 618 639 640 710 720 824 852 866 927 960 1030 1065 1136 1152 1236 1278 1299 1420 1440 1545 1648 1704 1732 1854 1920 2060 2130 2165 2272 2472 2556 2598 2840 2880 3090 3195 3296 3408 3464 3708 3897 4120 4260 4330 4544 4635 4944 5112 5196 5680 5760 6180 6390 6495 6592 6816 6928 7313 7416 7794 8240 8520 8660 9088 9270 9888 10224 10392 11360 12360 12780 12990 13184 13632 13856 14626 14832 15588 16480 17040 17320 18540 19485 19776 20448 20784 21939 22720 24720 25560 25980 27264 27712 29252 29664 30743 31176 32960 34080 34640 36565 37080 38970 39552 40896 41568 43878 44599 45440 49440 51120 51960 55424 58504 59328 61486 62352 65817 65920 68160 69280 73130 74160 77940 81792 83136 87756 89198 92229 98880 102240 103920 109695 117008 118656 122972 124704 131634 133797 136320 138560 146260 148320 153715 155880 166272 175512 178396 184458 197760 204480 207840 219390 222995 234016 245944 249408 263268 267594 276687 277120 292520 296640 307430 311760 329085 351024 356792 368916 401391 408960 415680 438780 445990 461145 468032 491888 498816 526536 535188 553374 585040 593280 614860 623520 658170 668985 702048 713584 737832 802782 831360 877560 891980 922290 936064 983776 1053072 1070376 1106748 1170080 1229720 1247040 1316340 1337970 1383435 1404096 1427168 1475664 1605564 1755120 1783960 1844580 1967552 2006955 2106144 2140752 2213496 2340160 2459440 2494080 2632680 2675940 2766870 2808192 2854336 2951328 3166529 3211128 3510240 3567920 3689160 3935104 4013910 4212288 4281504 4426992 4680320 4918880 5265360 5351880 5533740 5708672 5902656 6333058 6422256 7020480 7135840 7378320 8027820 8424576 8563008 8853984 9499587 9837760 10530720 10703760 11067480 11805312 12666116 12844512 14040960 14271680 14756640 15832645 16055640 17126016 17707968 18999174 19675520 21061440 21407520 22134960 25332232 25689024 28498761 28543360 29513280 31665290 32111280 35415936 37998348 42122880 42815040 44269920 47497935 50664464 51378048 56997522 59026560 63330580 64222560 75996696 85630080 88539840 94995870 101328928 113995044 126661160 128445120 142493805 151993392 177079680 189991740 202657856 227990088 253322320 256890240 284987610 303986784 379983480 405315712 455980176 506644640 569975220 607973568 759966960 911960352 1013289280 1139950440 1215947136 1519933920 1823920704 2026578560 2279900880 3039867840 3647841408 4559801760 6079735680 9119603520 18239207040
• Sum of all divisors σ(n): 64638362880
• Sum of proper divisors (its aliquot sum) s(n): 46399155840
• 18239207040 is an abundant number, because the sum of its proper divisors (46399155840) is greater than itself. Its abundance is 28159948800

Bases of 18239207040

• Binary: 10000111111001001000011011010000000₂
• Hexadecimal: 0x43F243680
• Base-36: 8DN5I80

Squares and roots of 18239207040

• 18239207040 squared (18239207040²) is 332668673447985561600
• 18239207040 cubed (18239207040³) is 6067612810739959328953073664000
• The square root of 18239207040 is 135052.6084161279
• The cube root of 18239207040 is 2632.2995997375

Scales and comparisons

• 18,239,207,040 seconds is equal to 579 years, 49 weeks, 2 days, 22 hours, 24 minutes.
• To count from 1 to 18,239,207,040 would take you about one thousand, one hundred fifty-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 18239207040 cubic inches would be around 219.4 feet tall.

Recreational maths with 18239207040

• 18239207040 backwards is 04070293281
• 18239207040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18239207040's digits is 36
• More coming soon!