18258903040

Names of 18258903040

• Cardinal: 18258903040 can be written as Eighteen billion, two hundred fifty-eight million, nine hundred three thousand and forty.

Scientific notation

• Scientific notation: 1.825890304 × 10¹⁰

Factors of 18258903040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1904

Divisors of 18258903040

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 56 64 68 70 80 85 112 119 128 136 140 160 170 224 238 256 272 280 320 340 448 476 512 544 560 595 640 680 896 952 1024 1088 1120 1190 1280 1360 1792 1873 1904 2048 2176 2240 2380 2560 2720 3584 3746 3808 4096 4352 4480 4760 5120 5440 7168 7492 7616 8192 8704 8960 9365 9520 10240 10880 13111 14336 14984 15232 16384 17408 17920 18730 19040 20480 21760 26222 28672 29968 30464 31841 34816 35840 37460 38080 40960 43520 52444 57344 59936 60928 63682 65555 69632 71680 74920 76160 81920 87040 104888 114688 119872 121856 127364 131110 139264 143360 149840 152320 159205 174080 209776 222887 239744 243712 254728 262220 278528 286720 299680 304640 318410 348160 419552 445774 479488 487424 509456 524440 573440 599360 609280 636820 696320 839104 891548 958976 974848 1018912 1048880 1114435 1198720 1218560 1273640 1392640 1678208 1783096 1917952 1949696 2037824 2097760 2228870 2397440 2437120 2547280 3356416 3566192 3835904 4075648 4195520 4457740 4794880 4874240 5094560 6712832 7132384 7671808 8151296 8391040 8915480 9589760 9748480 10189120 13425664 14264768 15343616 16302592 16782080 17830960 19179520 20378240 26851328 28529536 30687232 32605184 33564160 35661920 38359040 40756480 53702656 57059072 65210368 67128320 71323840 76718080 81512960 107405312 114118144 130420736 134256640 142647680 153436160 163025920 214810624 228236288 260841472 268513280 285295360 326051840 456472576 521682944 537026560 570590720 652103680 912945152 1074053120 1141181440 1304207360 1825890304 2282362880 2608414720 3651780608 4564725760 9129451520 18258903040
• Sum of all divisors σ(n): 53054229312
• Sum of proper divisors (its aliquot sum) s(n): 34795326272
• 18258903040 is an abundant number, because the sum of its proper divisors (34795326272) is greater than itself. Its abundance is 16536423232

Bases of 18258903040

• Binary: 10001000000010100001100000000000000₂
• Hexadecimal: 0x44050C000
• Base-36: 8DYVNR4

Squares and roots of 18258903040

• 18258903040 squared (18258903040²) is 333387540224121241600
• 18258903040 cubed (18258903040³) is 6087290771696329619578814464000
• The square root of 18258903040 is 135125.5084726789
• The cube root of 18258903040 is 2633.2467739889

Scales and comparisons

• 18,258,903,040 seconds is equal to 580 years, 29 weeks, 6 days, 21 hours, 30 minutes, 40 seconds.
• To count from 1 to 18,258,903,040 would take you about one thousand, one hundred sixty-one 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 18258903040 cubic inches would be around 219.4 feet tall.

Recreational maths with 18258903040

• 18258903040 backwards is 04030985281
• 18258903040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18258903040's digits is 40
• More coming soon!