18031769640

Names of 18031769640

• Cardinal: 18031769640 can be written as Eighteen billion, thirty-one million, seven hundred sixty-nine thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.803176964 × 10¹⁰

Factors of 18031769640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 4545

Divisors of 18031769640

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 27 29 30 36 40 43 45 54 58 60 72 81 86 87 90 108 116 120 129 135 145 162 172 174 180 215 216 232 258 261 270 290 324 344 348 360 387 405 430 435 516 522 540 580 645 648 696 774 783 810 860 870 1032 1044 1080 1160 1161 1247 1290 1305 1548 1566 1620 1720 1740 1935 2088 2322 2349 2494 2580 2610 3096 3132 3240 3480 3483 3741 3870 3915 4463 4644 4698 4988 5160 5220 5805 6235 6264 6966 7482 7740 7830 8926 9288 9396 9976 10440 11223 11610 11745 12470 13389 13932 14964 15480 15660 17415 17852 18705 18792 22315 22446 23220 23490 24940 26778 27864 29928 31320 33669 34830 35704 37410 40167 44630 44892 46440 46980 49880 53556 56115 66945 67338 69660 74820 80334 89260 89784 93960 101007 107112 112230 120501 129427 133890 134676 139320 149640 160668 168345 178520 191909 200835 202014 224460 241002 258854 267780 269352 321336 336690 361503 383818 388281 401670 404028 448920 482004 505035 517708 535560 575727 602505 647135 673380 723006 767636 776562 803340 808056 959545 964008 1010070 1035416 1151454 1164843 1205010 1294270 1346760 1446012 1535272 1553124 1606680 1727181 1807515 1919090 1941405 2020140 2302908 2329686 2410020 2588540 2878635 2892024 3106248 3454362 3494529 3615030 3838180 3882810 4040280 4605816 4659372 4820040 5177080 5181543 5565361 5757270 5824215 6908724 6989058 7230060 7676360 7765620 8635905 9318744 10363086 10483587 11130722 11514540 11648430 13817448 13978116 14460120 15531240 15544629 16696083 17271810 17472645 20726172 20967174 22261444 23029080 23296860 25907715 27826805 27956232 31089258 33392166 34543620 34945290 41452344 41934348 44522888 46593720 50088249 51815430 52417935 55653610 62178516 66784332 69087240 69890580 77723145 83480415 83868696 100176498 103630860 104835870 111307220 124357032 133568664 139781160 150264747 155446290 166960830 200352996 207261720 209671740 222614440 250441245 300529494 310892580 333921660 400705992 419343480 450794241 500882490 601058988 621785160 667843320 751323735 901588482 1001764980 1202117976 1502647470 1803176964 2003529960 2253971205 3005294940 3606353928 4507942410 6010589880 9015884820 18031769640
• Sum of all divisors σ(n): 64169107200
• Sum of proper divisors (its aliquot sum) s(n): 46137337560
• 18031769640 is an abundant number, because the sum of its proper divisors (46137337560) is greater than itself. Its abundance is 28105567920

Bases of 18031769640

• Binary: 10000110010110001101111100000101000₂
• Hexadecimal: 0x432C6F828
• Base-36: 8A7NEI0

Squares and roots of 18031769640

• 18031769640 squared (18031769640²) is 325144716350025729600
• 18031769640 cubed (18031769640³) is 5862934624886805564220129344000
• The square root of 18031769640 is 134282.4249110807
• The cube root of 18031769640 is 2622.2823400333

Scales and comparisons

• 18,031,769,640 seconds is equal to 573 years, 18 weeks, 3 days, 54 minutes.
• To count from 1 to 18,031,769,640 would take you about one thousand, one hundred forty-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 18031769640 cubic inches would be around 218.5 feet tall.

Recreational maths with 18031769640

• 18031769640 backwards is 04696713081
• 18031769640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18031769640's digits is 45
• More coming soon!