128137287434240

Names of 128137287434240

• Cardinal: 128137287434240 can be written as One hundred twenty-eight trillion, one hundred thirty-seven billion, two hundred eighty-seven million, four hundred thirty-four thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.2813728743424 × 10¹⁴

Factors of 128137287434240

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 1340

Divisors of 128137287434240

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 112 128 140 160 224 256 280 320 448 512 560 607 640 719 896 1024 1120 1214 1280 1438 1792 2048 2240 2428 2560 2876 3035 3584 3595 4096 4249 4480 4856 5033 5120 5752 6070 7168 7190 8192 8498 8960 9712 10066 10240 11504 12140 14336 14380 16384 16996 17920 19424 20132 20480 21245 23008 24280 25165 28672 28760 32768 33992 35840 38848 40264 40960 42490 46016 48560 50330 57344 57520 65536 67984 71680 77696 80528 81920 84980 92032 97120 100660 114688 115040 131072 135968 143360 155392 161056 163840 169960 184064 194240 201320 229376 230080 262144 271936 286720 310784 322112 327680 339920 368128 388480 402640 436433 458752 460160 524288 543872 573440 621568 644224 655360 679840 736256 776960 805280 872866 917504 920320 1048576 1087744 1146880 1243136 1288448 1310720 1359680 1472512 1553920 1610560 1745732 1835008 1840640 2097152 2175488 2182165 2293760 2486272 2576896 2621440 2719360 2945024 3055031 3107840 3221120 3491464 3670016 3681280 4194304 4350976 4364330 4587520 4972544 5153792 5242880 5438720 5890048 6110062 6215680 6442240 6982928 7340032 7362560 8388608 8701952 8728660 9175040 9945088 10307584 10485760 10877440 11780096 12220124 12431360 12884480 13965856 14680064 14725120 15275155 17403904 17457320 18350080 19890176 20615168 20971520 21754880 23560192 24440248 24862720 25768960 27931712 29360128 29450240 30550310 34807808 34914640 36700160 39780352 41230336 41943040 43509760 47120384 48880496 49725440 51537920 55863424 58720256 58900480 61100620 69615616 69829280 73400320 79560704 82460672 87019520 94240768 97760992 99450880 103075840 111726848 117800960 122201240 139231232 139658560 146800640 159121408 164921344 174039040 188481536 195521984 198901760 206151680 223453696 235601920 244402480 278462464 279317120 293601280 318242816 329842688 348078080 376963072 391043968 397803520 412303360 446907392 471203840 488804960 556924928 558634240 636485632 659685376 696156160 753926144 782087936 795607040 824606720 893814784 942407680 977609920 1113849856 1117268480 1272971264 1319370752 1392312320 1507852288 1564175872 1591214080 1649213440 1787629568 1884815360 1955219840 2227699712 2234536960 2545942528 2638741504 2784624640 3015704576 3128351744 3182428160 3298426880 3575259136 3769630720 3910439680 4455399424 4469073920 5091885056 5277483008 5569249280 6031409152 6256703488 6364856320 6596853760 7150518272 7539261440 7820879360 8910798848 8938147840 10554966016 11138498560 12513406976 12729712640 13193707520 14301036544 15078522880 15641758720 17821597696 17876295680 21109932032 22276997120 25026813952 25459425280 26387415040 28602073088 30157045760 31283517440 35643195392 35752591360 42219864064 44553994240 50053627904 52774830080 57204146176 62567034880 71505182720 89107988480 100107255808 105549660160 114408292352 125134069760 143010365440 178215976960 200214511616 211099320320 228816584704 250268139520 286020730880 400429023232 457633169408 500536279040 572041461760 800858046464 915266338816 1001072558080 1144082923520 1601716092928 1830532677632 2002145116160 2288165847040 3203432185856 3661065355264 4004290232320 4576331694080 6406864371712 8008580464640 9152663388160 12813728743424 16017160929280 18305326776320 25627457486848 32034321858560 64068643717120 128137287434240
• Sum of all divisors σ(n): 352530894643200
• Sum of proper divisors (its aliquot sum) s(n): 224393607208960
• 128137287434240 is an abundant number, because the sum of its proper divisors (224393607208960) is greater than itself. Its abundance is 96256319774720

Bases of 128137287434240

• Binary: 11101001000101001001001100000000000000000000000₂
• Hexadecimal: 0x748A49800000
• Base-36: 19F5GGJ4ZK

Squares and roots of 128137287434240

• 128137287434240 squared (128137287434240²) is 16419164431005040202324377600
• 128137287434240 cubed (128137287434240³) is 2103907192125742497371405497084908929024000
• The square root of 128137287434240 is 11319774.1777051365
• The cube root of 128137287434240 is 50414.8534045979

Scales and comparisons

• 128,137,287,434,240 seconds is equal to 4,074,369 years, 20 weeks, 9 hours, 57 minutes, 20 seconds.
• To count from 1 to 128,137,287,434,240 would take you about ten million, one hundred eighty-five thousand, nine hundred twenty-three 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 128137287434240 cubic inches would be around 4201.2 feet tall.

Recreational maths with 128137287434240

• 128137287434240 backwards is 042434782731821
• 128137287434240 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 128137287434240's digits is 56
• More coming soon!