18127856640

Names of 18127856640

• Cardinal: 18127856640 can be written as Eighteen billion, one hundred twenty-seven million, eight hundred fifty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 1.812785664 × 10¹⁰

Factors of 18127856640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 130

Divisors of 18127856640

• Number of divisors d(n): 352
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 64 69 80 92 96 97 115 120 128 138 160 184 192 194 230 240 256 276 291 320 345 368 384 388 460 480 485 512 529 552 582 640 690 736 768 776 920 960 970 1024 1058 1104 1164 1280 1380 1455 1472 1536 1552 1587 1840 1920 1940 2116 2208 2231 2328 2560 2645 2760 2910 2944 3072 3104 3174 3680 3840 3880 4232 4416 4462 4656 5120 5290 5520 5820 5888 6208 6348 6693 7360 7680 7760 7935 8464 8832 8924 9312 10580 11040 11155 11640 11776 12167 12416 12696 13386 14720 15360 15520 15870 16928 17664 17848 18624 21160 22080 22310 23280 23552 24334 24832 25392 26772 29440 31040 31740 33465 33856 35328 35696 36501 37248 42320 44160 44620 46560 48668 49664 50784 51313 53544 58880 60835 62080 63480 66930 67712 70656 71392 73002 74496 84640 88320 89240 93120 97336 99328 101568 102626 107088 117760 121670 124160 126960 133860 135424 142784 146004 148992 153939 169280 176640 178480 182505 186240 194672 203136 205252 214176 243340 248320 253920 256565 267720 270848 285568 292008 297984 307878 338560 353280 356960 365010 372480 389344 406272 410504 428352 486680 496640 507840 513130 535440 541696 571136 584016 615756 677120 713920 730020 744960 769695 778688 812544 821008 856704 973360 1015680 1026260 1070880 1142272 1168032 1180199 1231512 1354240 1427840 1460040 1489920 1539390 1557376 1625088 1642016 1713408 1946720 2031360 2052520 2141760 2284544 2336064 2360398 2463024 2708480 2855680 2920080 3078780 3114752 3284032 3426816 3540597 3893440 4062720 4105040 4283520 4672128 4720796 4926048 5711360 5840160 5900995 6157560 6229504 6568064 6853632 7081194 7786880 8125440 8210080 8567040 9344256 9441592 9852096 11422720 11680320 11801990 12315120 12459008 13136128 14162388 15573760 16420160 17134080 17702985 18688512 18883184 19704192 23360640 23603980 24630240 26272256 28324776 31147520 32840320 34268160 35405970 37377024 37766368 39408384 46721280 47207960 49260480 52544512 56649552 62295040 65680640 70811940 75532736 78816768 93442560 94415920 98520960 113299104 131361280 141623880 151065472 157633536 186885120 188831840 197041920 226598208 262722560 283247760 302130944 377663680 394083840 453196416 566495520 604261888 755327360 788167680 906392832 1132991040 1208523776 1510654720 1812785664 2265982080 3021309440 3625571328 4531964160 6042618880 9063928320 18127856640
• Sum of all divisors σ(n): 61240999680
• Sum of proper divisors (its aliquot sum) s(n): 43113143040
• 18127856640 is an abundant number, because the sum of its proper divisors (43113143040) is greater than itself. Its abundance is 24985286400

Bases of 18127856640

• Binary: 10000111000100000010010010000000000₂
• Hexadecimal: 0x438812400
• Base-36: 8BSUVPC

Squares and roots of 18127856640

• 18127856640 squared (18127856640²) is 328619186360392089600
• 18127856640 cubed (18127856640³) is 5957161499494631174458834944000
• The square root of 18127856640 is 134639.7290549859
• The cube root of 18127856640 is 2626.9319300019

Scales and comparisons

• 18,127,856,640 seconds is equal to 576 years, 21 weeks, 2 days, 3 hours, 44 minutes.
• To count from 1 to 18,127,856,640 would take you about one thousand, one hundred fifty-two 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 18127856640 cubic inches would be around 218.9 feet tall.

Recreational maths with 18127856640

• 18127856640 backwards is 04665872181
• 18127856640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18127856640's digits is 48
• More coming soon!