18378722040

Names of 18378722040

• Cardinal: 18378722040 can be written as Eighteen billion, three hundred seventy-eight million, seven hundred twenty-two thousand and forty.

Scientific notation

• Scientific notation: 1.837872204 × 10¹⁰

Factors of 18378722040

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 438

Divisors of 18378722040

• Number of divisors d(n): 512
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 19 20 21 24 28 30 35 38 40 42 49 56 57 60 70 71 76 84 95 98 105 114 120 133 140 142 147 152 168 190 196 210 213 228 245 266 280 284 285 294 331 343 355 380 392 399 420 426 456 490 497 532 568 570 588 662 665 686 710 735 760 798 840 852 931 980 993 994 1029 1064 1065 1140 1176 1324 1330 1349 1372 1420 1470 1491 1596 1655 1704 1715 1862 1960 1986 1988 1995 2058 2130 2280 2317 2485 2648 2660 2698 2744 2793 2840 2940 2982 3192 3310 3430 3479 3724 3972 3976 3990 4047 4116 4260 4634 4655 4965 4970 5145 5320 5396 5586 5880 5964 6289 6517 6620 6745 6860 6951 6958 7448 7455 7944 7980 8094 8232 8520 9268 9310 9443 9930 9940 10290 10437 10792 11172 11585 11928 12578 13034 13240 13490 13720 13902 13916 13965 14910 15960 16188 16219 17395 18536 18620 18867 18886 19551 19860 19880 20235 20580 20874 22344 23170 23501 24353 25156 26068 26980 27804 27832 27930 28329 29820 31445 32376 32438 32585 34755 34790 37240 37734 37772 39102 39720 40470 41160 41748 44023 46340 47002 47215 48657 48706 50312 52136 52185 53960 55608 55860 56658 59640 62890 64876 65170 66101 69510 69580 70503 73059 75468 75544 78204 80940 81095 83496 88046 92680 94004 94335 94430 97314 97412 97755 104370 111720 113316 113533 117505 121765 125780 129752 130340 132069 132202 139020 139160 141006 141645 146118 150936 156408 161880 162190 164507 176092 188008 188670 188860 194628 194824 195510 198303 208740 220115 226632 227066 235010 243285 243530 251560 260680 264138 264404 278040 282012 283290 292236 308161 324380 329014 330505 340599 352184 352515 365295 377340 377720 389256 391020 396606 417480 440230 446519 454132 462707 470020 486570 487060 493521 528276 528808 564024 566580 567665 584472 616322 648760 658028 660345 661010 681198 705030 730590 754680 782040 793212 822535 880460 893038 908264 924483 925414 940040 973140 974120 987042 991515 1056552 1133160 1135330 1151549 1232644 1316056 1320690 1322020 1339557 1362396 1388121 1410060 1461180 1540805 1586424 1645070 1702995 1760920 1786076 1848966 1850828 1946280 1974084 1983030 2157127 2232595 2270660 2303098 2313535 2465288 2467605 2641380 2644040 2679114 2724792 2776242 2820120 2922360 3081610 3125633 3290140 3405990 3454647 3572152 3697932 3701656 3948168 3966060 4314254 4465190 4541320 4606196 4622415 4627070 4935210 5282760 5358228 5552484 5757745 6163220 6251266 6471381 6580280 6697785 6811980 6909294 6940605 7395864 7932120 8060843 8628508 8930380 9212392 9244830 9254140 9376899 9870420 10716456 10785635 11104968 11515490 12326440 12502532 12942762 13395570 13623960 13818588 13881210 15628165 16121686 17257016 17273235 17860760 18489660 18508280 18753798 19740840 21571270 21879431 23030980 24182529 25005064 25885524 26791140 27637176 27762420 31256330 32243372 32356905 34546470 36979320 37507596 40304215 43142540 43758862 46061960 46884495 48365058 51771048 53582280 55524840 62512660 64486744 64713810 65638293 69092940 75015192 80608430 86285080 87517724 93768990 96730116 109397155 120912645 125025320 129427620 131276586 138185880 153156017 161216860 175035448 187537980 193460232 218794310 241825290 258855240 262553172 306312034 322433720 328191465 375075960 437588620 459468051 483650580 525106344 612624068 656382930 765780085 875177240 918936102 967301160 1225248136 1312765860 1531560170 1837872204 2297340255 2625531720 3063120340 3675744408 4594680510 6126240680 9189361020 18378722040
• Sum of all divisors σ(n): 68843520000
• Sum of proper divisors (its aliquot sum) s(n): 50464797960
• 18378722040 is an abundant number, because the sum of its proper divisors (50464797960) is greater than itself. Its abundance is 32086075920

Bases of 18378722040

• Binary: 10001000111011101010000101011111000₂
• Hexadecimal: 0x447750AF8
• Base-36: 8FY7SOO

Squares and roots of 18378722040

• 18378722040 squared (18378722040²) is 337777423823581761600
• 18378722040 cubed (18378722040³) is 6207917383840883193659945664000
• The square root of 18378722040 is 135568.1453734617
• The cube root of 18378722040 is 2638.9942047825

Scales and comparisons

• 18,378,722,040 seconds is equal to 584 years, 20 weeks, 16 hours, 34 minutes.
• To count from 1 to 18,378,722,040 would take you about one thousand, one hundred sixty-eight 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 18378722040 cubic inches would be around 219.9 feet tall.

Recreational maths with 18378722040

• 18378722040 backwards is 04022787381
• 18378722040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18378722040's digits is 42
• More coming soon!