18364782440

Names of 18364782440

• Cardinal: 18364782440 can be written as Eighteen billion, three hundred sixty-four million, seven hundred eighty-two thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.836478244 × 10¹⁰

Factors of 18364782440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 1942

Divisors of 18364782440

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 17 20 29 34 40 58 68 85 116 136 145 170 232 289 290 340 493 578 580 680 841 986 1156 1160 1445 1682 1889 1972 2312 2465 2890 3364 3778 3944 4205 4930 5780 6728 7556 8381 8410 9445 9860 11560 14297 15112 16762 16820 18890 19720 28594 32113 33524 33640 37780 41905 54781 57188 64226 67048 71485 75560 83810 109562 114376 128452 142970 160565 167620 219124 243049 256904 273905 285940 321130 335240 438248 486098 545921 547810 571880 642260 931277 972196 1091842 1095620 1215245 1284520 1588649 1862554 1944392 2183684 2191240 2430490 2729605 3177298 3725108 4367368 4656385 4860980 5459210 6354596 7450216 7943245 9312770 9721960 10918420 12709192 15831709 15886490 18625540 21836840 27007033 31663418 31772980 37251080 54014066 63326836 63545960 79158545 108028132 126653672 135035165 158317090 216056264 270070330 316634180 459119561 540140660 633268360 918239122 1080281320 1836478244 2295597805 3672956488 4591195610 9182391220 18364782440
• Sum of all divisors σ(n): 45484229700
• Sum of proper divisors (its aliquot sum) s(n): 27119447260
• 18364782440 is an abundant number, because the sum of its proper divisors (27119447260) is greater than itself. Its abundance is 8754664820

Bases of 18364782440

• Binary: 10001000110101000000101011101101000₂
• Hexadecimal: 0x446A05768
• Base-36: 8FPX0TK

Squares and roots of 18364782440

• 18364782440 squared (18364782440²) is 337265234068532353600
• 18364782440 cubed (18364782440³) is 6193802648244272723965150784000
• The square root of 18364782440 is 135516.7238387941
• The cube root of 18364782440 is 2638.3268419507

Scales and comparisons

• 18,364,782,440 seconds is equal to 583 years, 49 weeks, 8 hours, 27 minutes, 20 seconds.
• To count from 1 to 18,364,782,440 would take you about one thousand, one hundred sixty-seven 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 18364782440 cubic inches would be around 219.9 feet tall.

Recreational maths with 18364782440

• 18364782440 backwards is 04428746381
• The number of decimal digits it has is: 11
• The sum of 18364782440's digits is 47
• More coming soon!