18018127872
18,018,127,872 is an even composite number composed of five prime numbers multiplied together.
18018127872 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of three hundred twelve divisors.
Prime factorization of 18018127872:
212 × 32 × 23 × 79 × 269
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 3 × 23 × 79 × 269)See below for interesting mathematical facts about the number 18018127872 from the Numbermatics database.
Names of 18018127872
- Cardinal: 18018127872 can be written as Eighteen billion, eighteen million, one hundred twenty-seven thousand, eight hundred seventy-two.
Scientific notation
- Scientific notation: 1.8018127872 × 1010
Factors of 18018127872
Divisors of 18018127872
- Number of divisors d(n): 312
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Complete list of divisors:
1 2 3 4 6 8 9 12 16 18 23 24 32 36 46 48 64 69 72 79 92 96 128 138 144 158 184 192 207 237 256 269 276 288 316 368 384 414 474 512 538 552 576 632 711 736 768 807 828 948 1024 1076 1104 1152 1264 1422 1472 1536 1614 1656 1817 1896 2048 2152 2208 2304 2421 2528 2844 2944 3072 3228 3312 3634 3792 4096 4304 4416 4608 4842 5056 5451 5688 5888 6144 6187 6456 6624 7268 7584 8608 8832 9216 9684 10112 10902 11376 11776 12288 12374 12912 13248 14536 15168 16353 17216 17664 18432 18561 19368 20224 21251 21804 22752 23552 24748 25824 26496 29072 30336 32706 34432 35328 36864 37122 38736 40448 42502 43608 45504 47104 49496 51648 52992 55683 58144 60672 63753 65412 68864 70656 74244 77472 80896 85004 87216 91008 94208 98992 103296 105984 111366 116288 121344 127506 130824 137728 141312 148488 154944 161792 170008 174432 182016 191259 197984 206592 211968 222732 232576 242688 255012 261648 275456 282624 296976 309888 323584 340016 348864 364032 382518 395968 413184 423936 445464 465152 485376 488773 510024 523296 550912 593952 619776 680032 697728 728064 765036 791936 826368 847872 890928 930304 970752 977546 1020048 1046592 1101824 1187904 1239552 1360064 1395456 1456128 1466319 1530072 1583872 1652736 1781856 1860608 1955092 2040096 2093184 2375808 2479104 2720128 2790912 2912256 2932638 3060144 3167744 3305472 3563712 3721216 3910184 4080192 4186368 4398957 4751616 4958208 5440256 5581824 5865276 6120288 6335488 7127424 7442432 7820368 8160384 8372736 8797914 9503232 9916416 10880512 11163648 11730552 12240576 12670976 14254848 15640736 16320768 16745472 17595828 19006464 21761024 22327296 23461104 24481152 25341952 28509696 31281472 32641536 33490944 35191656 38012928 43522048 46922208 48962304 57019392 62562944 65283072 66981888 70383312 76025856 87044096 93844416 97924608 114038784 125125888 130566144 140766624 187688832 195849216 228077568 250251776 261132288 281533248 375377664 391698432 500503552 563066496 750755328 783396864 1001007104 1126132992 1501510656 2002014208 2252265984 3003021312 4504531968 6006042624 9009063936 18018127872
- Sum of all divisors σ(n): 55200787200
- Sum of proper divisors (its aliquot sum) s(n): 37182659328
- 18018127872 is an abundant number, because the sum of its proper divisors (37182659328) is greater than itself. Its abundance is 19164531456
Bases of 18018127872
- Binary: 100001100011111011011010000000000002
- Hexadecimal: 0x431F6D000
- Base-36: 89ZJ0G0
Squares and roots of 18018127872
- 18018127872 squared (180181278722) is 324652932011743248384
- 18018127872 cubed (180181278723) is 5849638043007312055015569358848
-
The
square root of 18018127872 is 134231.6202390479 -
The
cube root of 18018127872 is 2621.6208854089
Scales and comparisons
How big is 18018127872?- 18,018,127,872 seconds is equal to 572 years, 47 weeks, 6 days, 3 hours, 31 minutes, 12 seconds.
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To count from 1 to 18,018,127,872 would take you about one thousand, one hundred forty-five 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 18018127872 cubic inches would be around 218.5 feet tall.
Recreational maths with 18018127872
- 18018127872 backwards is 27872181081
- The number of decimal digits it has is: 11
- The sum of 18018127872's digits is 45
- More coming soon!
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