18929983257472

Names of 18929983257472

• Cardinal: 18929983257472 can be written as Eighteen trillion, nine hundred twenty-nine billion, nine hundred eighty-three million, two hundred fifty-seven thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 1.8929983257472 × 10¹³

Factors of 18929983257472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 157828

Divisors of 18929983257472

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 8 14 16 19 28 32 38 49 53 56 64 76 98 106 112 128 133 152 196 212 224 266 304 361 371 392 424 448 532 608 722 742 784 848 896 931 1007 1064 1216 1444 1484 1568 1696 1862 2014 2128 2432 2527 2597 2888 2968 3136 3392 3724 4028 4256 5054 5194 5776 5936 6272 6784 7049 7448 8056 8512 10108 10388 11552 11872 14098 14896 16112 17024 17689 19133 20216 20776 23104 23744 28196 29792 32224 35378 38266 40432 41552 46208 47488 49343 56392 59584 64448 70756 76532 80864 83104 98686 112784 119168 128896 133931 141512 153064 157747 161728 166208 197372 225568 267862 283024 306128 315494 323456 332416 394744 451136 535724 566048 612256 630988 789488 902272 937517 1071448 1104229 1132096 1224512 1261976 1578976 1875034 2142896 2208458 2264192 2449024 2523952 2997193 3157952 3750068 4285792 4416916 5047904 5994386 6315904 7500136 7729603 8360591 8571584 8833832 10095808 11988772 15000272 15459206 16721182 17143168 17667664 20191616 20980351 23977544 30000544 30918412 33442364 35335328 41960702 47955088 56946667 58524137 60001088 61836824 66884728 70670656 83921404 95910176 113893334 117048274 120002176 123673648 133769456 141341312 146862457 158851229 167842808 191820352 227786668 234096548 247347296 267538912 293724914 317702458 335685616 383640704 398626669 409668959 455573336 468193096 494694592 535077824 587449828 635404916 671371232 797253338 819337918 911146672 936386192 989389184 1070155648 1111958603 1174899656 1270809832 1342742464 1594506676 1638675836 1822293344 1872772384 2223917206 2349799312 2541619664 2685484928 2790386683 3018173351 3189013352 3277351672 3644586688 3745544768 4447834412 4699598624 5083239328 5580773366 6036346702 6378026704 6554703344 7289173376 7491089536 7783710221 8895668824 9399197248 10166478656 11161546732 12072693404 12756053408 13109406688 15567420442 17791337648 18798394496 20332957312 21127213457 22323093464 24145386808 25512106816 26218813376 31134840884 35582675296 42254426914 44646186928 48290773616 51024213632 52437626752 62269681768 71165350592 84508853828 89292373856 96581547232 124539363536 142330701184 147890494199 169017707656 178584747712 193163094464 249078727072 295780988398 338035415312 357169495424 386326188928 498157454144 591561976796 676070830624 996314908288 1183123953592 1352141661248 2366247907184 2704283322496 4732495814368 9464991628736 18929983257472
• Sum of all divisors σ(n): 47173449361320
• Sum of proper divisors (its aliquot sum) s(n): 28243466103848
• 18929983257472 is an abundant number, because the sum of its proper divisors (28243466103848) is greater than itself. Its abundance is 9313482846376

Bases of 18929983257472

• Binary: 100010011011101111010111011010111101110000000₂
• Hexadecimal: 0x11377AED7B80
• Base-36: 6PKBB9UV4

Squares and roots of 18929983257472

• 18929983257472 squared (18929983257472²) is 358344266128170232243830784
• 18929983257472 cubed (18929983257472³) is 6783450958217353206034014632280271618048
• The square root of 18929983257472 is 4350860.0595137509
• The cube root of 18929983257472 is 26651.1984589983

Scales and comparisons

• 18,929,983,257,472 seconds is equal to 601,914 years, 47 weeks, 3 days, 10 hours, 37 minutes, 52 seconds.
• To count from 1 to 18,929,983,257,472 would take you about one million, five hundred four thousand, seven hundred eighty-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 18929983257472 cubic inches would be around 2220.9 feet tall.

Recreational maths with 18929983257472

• 18929983257472 backwards is 27475238992981
• 18929983257472 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 18929983257472's digits is 76
• More coming soon!