18426947840

Names of 18426947840

• Cardinal: 18426947840 can be written as Eighteen billion, four hundred twenty-six million, nine hundred forty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.842694784 × 10¹⁰

Factors of 18426947840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 80

Divisors of 18426947840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 47 49 56 64 70 76 80 94 95 98 112 128 133 140 152 160 188 190 196 224 235 245 256 266 280 304 320 329 343 376 380 392 448 470 490 532 560 608 640 658 665 686 752 760 784 893 896 931 940 980 1064 1120 1216 1280 1316 1330 1372 1504 1520 1568 1645 1715 1786 1792 1862 1880 1960 2128 2209 2240 2303 2432 2632 2660 2744 3008 3040 3136 3290 3430 3572 3724 3760 3920 4256 4418 4465 4480 4606 4655 4864 5264 5320 5488 6016 6080 6251 6272 6517 6580 6860 7144 7448 7520 7840 8512 8836 8930 8960 9212 9310 10528 10640 10976 11045 11515 12032 12160 12502 12544 13034 13160 13720 14288 14896 15040 15463 15680 16121 17024 17672 17860 18424 18620 21056 21280 21952 22090 23030 24320 25004 26068 26320 27440 28576 29792 30080 30926 31255 31360 32242 32585 34048 35344 35720 36848 37240 41971 42112 42560 43757 43904 44180 46060 50008 52136 52640 54880 57152 59584 60160 61852 62510 62720 64484 65170 70688 71440 73696 74480 77315 80605 83942 84224 85120 87514 87808 88360 92120 100016 104272 105280 108241 109760 114304 119168 123704 125020 128968 130340 141376 142880 147392 148960 154630 161210 167884 170240 175028 176720 184240 200032 208544 209855 210560 216482 218785 219520 228608 238336 247408 250040 257936 260680 282752 285760 293797 294784 297920 306299 309260 322420 335768 350056 353440 368480 400064 417088 419710 421120 432964 437570 439040 494816 500080 515872 521360 541205 565504 571520 587594 589568 595840 612598 618520 644840 671536 700112 706880 736960 757687 800128 834176 839420 865928 875140 989632 1000160 1031744 1042720 1082410 1143040 1175188 1191680 1225196 1237040 1289680 1343072 1400224 1413760 1468985 1473920 1515374 1531495 1600256 1668352 1678840 1731856 1750280 1979264 2000320 2056579 2063488 2085440 2164820 2350376 2450392 2474080 2579360 2686144 2800448 2827520 2937970 2947840 3030748 3062990 3357680 3463712 3500560 3788435 3958528 4000640 4113158 4126976 4170880 4329640 4700752 4900784 4948160 5158720 5372288 5600896 5875940 6061496 6125980 6715360 6927424 7001120 7576870 8001280 8226316 8341760 8659280 9401504 9801568 9896320 10282895 10317440 10744576 11201792 11751880 12122992 12251960 13430720 13854848 14002240 14396053 15153740 16452632 17318560 18803008 19603136 19792640 20565790 20634880 23503760 24245984 24503920 26861440 27709696 28004480 28792106 30307480 32905264 34637120 37606016 39206272 41131580 47007520 48491968 49007840 53722880 56008960 57584212 60614960 65810528 69274240 71980265 75212032 78412544 82263160 94015040 96983936 98015680 115168424 121229920 131621056 138548480 143960530 164526320 188030080 193967872 196031360 230336848 242459840 263242112 287921060 329052640 376060160 392062720 460673696 484919680 526484224 575842120 658105280 921347392 969839360 1151684240 1316210560 1842694784 2303368480 2632421120 3685389568 4606736960 9213473920 18426947840
• Sum of all divisors σ(n): 55359696000
• Sum of proper divisors (its aliquot sum) s(n): 36932748160
• 18426947840 is an abundant number, because the sum of its proper divisors (36932748160) is greater than itself. Its abundance is 18505800320

Bases of 18426947840

• Binary: 10001001010010101001110100100000000₂
• Hexadecimal: 0x44A54E900
• Base-36: 8GQXFY8

Squares and roots of 18426947840

• 18426947840 squared (18426947840²) is 339552406698080665600
• 18426947840 cubed (18426947840³) is 6256914487171999053123682304000
• The square root of 18426947840 is 135745.8943762205
• The cube root of 18426947840 is 2641.3004306383

Scales and comparisons

• 18,426,947,840 seconds is equal to 585 years, 47 weeks, 5 days, 20 hours, 37 minutes, 20 seconds.
• To count from 1 to 18,426,947,840 would take you about one thousand, one hundred seventy-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 18426947840 cubic inches would be around 220.1 feet tall.

Recreational maths with 18426947840

• 18426947840 backwards is 04874962481
• The number of decimal digits it has is: 11
• The sum of 18426947840's digits is 53
• More coming soon!