18657140040

Names of 18657140040

• Cardinal: 18657140040 can be written as Eighteen billion, six hundred fifty-seven million, one hundred forty thousand and forty.

Scientific notation

• Scientific notation: 1.865714004 × 10¹⁰

Factors of 18657140040

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 8769

Divisors of 18657140040

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 11 12 14 15 18 20 21 22 24 28 30 33 35 36 40 42 44 45 49 55 56 60 63 66 70 72 77 84 88 90 98 99 105 110 120 121 126 132 140 147 154 165 168 180 196 198 210 220 231 242 245 252 264 280 294 308 315 330 360 363 385 392 396 420 440 441 462 484 490 495 504 539 588 605 616 630 660 693 726 735 770 792 840 847 882 924 968 980 990 1078 1089 1155 1176 1210 1260 1320 1386 1452 1470 1540 1617 1694 1764 1815 1848 1960 1980 2156 2178 2205 2310 2420 2520 2541 2695 2772 2904 2940 3080 3234 3388 3465 3528 3630 3960 4235 4312 4356 4410 4620 4840 4851 5082 5390 5445 5544 5880 5929 6468 6776 6930 7260 7623 8085 8470 8712 8741 8820 9240 9702 10164 10780 10890 11858 12705 12936 13860 14520 15246 16170 16940 17482 17640 17787 19404 20328 21560 21780 23716 24255 25410 26223 27720 29645 30492 32340 33880 34964 35574 38115 38808 43560 43705 47432 48510 50820 52446 53361 59290 60984 61187 64680 69928 71148 76230 78669 87410 88935 96151 97020 101640 104892 106722 118580 122374 131115 142296 152460 157338 174820 177870 183561 192302 194040 209784 213444 237160 244748 262230 266805 288453 304920 305935 314676 349640 355740 367122 384604 393345 426888 428309 480755 489496 524460 533610 550683 576906 611870 629352 673057 711480 734244 769208 786690 856618 865359 917805 961510 1048920 1057661 1067220 1101366 1153812 1223740 1284927 1346114 1442265 1468488 1573380 1713236 1730718 1835610 1923020 2019171 2115322 2134440 2141545 2202732 2307624 2447480 2569854 2692228 2753415 2884530 3146760 3172983 3365285 3426472 3461436 3671220 3846040 3854781 4038342 4230644 4283090 4326795 4405464 4711399 5139708 5288305 5384456 5506830 5769060 6057513 6345966 6424635 6730570 6922872 7342440 7403627 7709562 8076684 8461288 8566180 8653590 9422798 9518949 10095855 10279416 10576610 11013660 11538120 12115026 12691932 12849270 13461140 14134197 14807254 15419124 15864915 16153368 17132360 17307180 18845596 19037898 19273905 20191710 21153220 22027320 22210881 23556995 24230052 25383864 25698540 26922280 28268394 29614508 30287565 30838248 31729830 34614360 37018135 37691192 38075796 38547810 40383420 42306440 42402591 44421762 47113990 47594745 48460104 51397080 51825389 56536788 59229016 60575130 63459660 66632643 70670985 74036270 76151592 77095620 80766840 84805182 88843524 94227980 95189490 103650778 111054405 113073576 121150260 126919320 133265286 141341970 148072540 154191240 155476167 169610364 177687048 188455960 190378980 207301556 212012955 222108810 242300520 259126945 266530572 282683940 296145080 310952334 333163215 339220728 380757960 414603112 424025910 444217620 466428501 518253890 533061144 565367880 621904668 666326430 777380835 848051820 888435240 932857002 1036507780 1243809336 1332652860 1554761670 1696103640 1865714004 2073015560 2332142505 2665305720 3109523340 3731428008 4664285010 6219046680 9328570020 18657140040
• Sum of all divisors σ(n): 77539529340
• Sum of proper divisors (its aliquot sum) s(n): 58882389300
• 18657140040 is an abundant number, because the sum of its proper divisors (58882389300) is greater than itself. Its abundance is 40225249260

Bases of 18657140040

• Binary: 10001011000000011010101110101001000₂
• Hexadecimal: 0x4580D5D48
• Base-36: 8KJZ9E0

Squares and roots of 18657140040

• 18657140040 squared (18657140040²) is 348088874472171201600
• 18657140040 cubed (18657140040³) is 6494342877393279191106272064000
• The square root of 18657140040 is 136591.1418796987
• The cube root of 18657140040 is 2652.2534547521

Scales and comparisons

• 18,657,140,040 seconds is equal to 593 years, 12 weeks, 3 days, 2 hours, 54 minutes.
• To count from 1 to 18,657,140,040 would take you about one thousand, one hundred eighty-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 18657140040 cubic inches would be around 221 feet tall.

Recreational maths with 18657140040

• 18657140040 backwards is 04004175681
• 18657140040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18657140040's digits is 36
• More coming soon!