138491255040
138,491,255,040 is an even composite number composed of six prime numbers multiplied together.
138491255040 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 138491255040:
28 × 3 × 5 × 31 × 73 × 15937
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 31 × 73 × 15937)See below for interesting mathematical facts about the number 138491255040 from the Numbermatics database.
Names of 138491255040
- Cardinal: 138491255040 can be written as One hundred thirty-eight billion, four hundred ninety-one million, two hundred fifty-five thousand and forty.
Scientific notation
- Scientific notation: 1.3849125504 × 1011
Factors of 138491255040
Divisors of 138491255040
- Number of divisors d(n): 288
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 31 32 40 48 60 62 64 73 80 93 96 120 124 128 146 155 160 186 192 219 240 248 256 292 310 320 365 372 384 438 465 480 496 584 620 640 730 744 768 876 930 960 992 1095 1168 1240 1280 1460 1488 1752 1860 1920 1984 2190 2263 2336 2480 2920 2976 3504 3720 3840 3968 4380 4526 4672 4960 5840 5952 6789 7008 7440 7936 8760 9052 9344 9920 11315 11680 11904 13578 14016 14880 15937 17520 18104 18688 19840 22630 23360 23808 27156 28032 29760 31874 33945 35040 36208 39680 45260 46720 47811 54312 56064 59520 63748 67890 70080 72416 79685 90520 93440 95622 108624 119040 127496 135780 140160 144832 159370 181040 191244 217248 239055 254992 271560 280320 289664 318740 362080 382488 434496 478110 494047 509984 543120 579328 637480 724160 764976 868992 956220 988094 1019968 1086240 1163401 1274960 1448320 1482141 1529952 1737984 1912440 1976188 2039936 2172480 2326802 2470235 2549920 2896640 2964282 3059904 3490203 3824880 3952376 4079872 4344960 4653604 4940470 5099840 5817005 5928564 6119808 6980406 7410705 7649760 7904752 8689920 9307208 9880940 10199680 11634010 11857128 12239616 13960812 14821410 15299520 15809504 17451015 18614416 19761880 20399360 23268020 23714256 27921624 29642820 30599040 31619008 34902030 36065431 37228832 39523760 46536040 47428512 55843248 59285640 61198080 63238016 69804060 72130862 74457664 79047520 93072080 94857024 108196293 111686496 118571280 126476032 139608120 144261724 148915328 158095040 180327155 186144160 189714048 216392586 223372992 237142560 279216240 288523448 297830656 316190080 360654310 372288320 379428096 432785172 446745984 474285120 540981465 558432480 577046896 632380160 721308620 744576640 865570344 893491968 948570240 1081962930 1116864960 1154093792 1442617240 1489153280 1731140688 1897140480 2163925860 2233729920 2308187584 2885234480 3462281376 4327851720 4467459840 4616375168 5770468960 6924562752 8655703440 9232750336 11540937920 13849125504 17311406880 23081875840 27698251008 34622813760 46163751680 69245627520 138491255040
- Sum of all divisors σ(n): 462857880576
- Sum of proper divisors (its aliquot sum) s(n): 324366625536
- 138491255040 is an abundant number, because the sum of its proper divisors (324366625536) is greater than itself. Its abundance is 185875370496
Bases of 138491255040
- Binary: 100000001111101011100011011001000000002
- Hexadecimal: 0x203EB8D900
- Base-36: 1RME48AO
Squares and roots of 138491255040
- 138491255040 squared (1384912550402) is 19179827722554325401600
- 138491255040 cubed (1384912550403) is 2656238412747533439448136024064000
-
The
square root of 138491255040 is 372144.1320778819 -
The
cube root of 138491255040 is 5173.7739560461
Scales and comparisons
How big is 138491255040?- 138,491,255,040 seconds is equal to 4,403 years, 30 weeks, 6 days, 1 hour, 4 minutes.
-
To count from 1 to 138,491,255,040 would take you about eight thousand, eight hundred seven 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 138491255040 cubic inches would be around 431.1 feet tall.
Recreational maths with 138491255040
- 138491255040 backwards is 040552194831
- The number of decimal digits it has is: 12
- The sum of 138491255040's digits is 42
- More coming soon!
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