3978213457920

Names of 3978213457920

• Cardinal: 3978213457920 can be written as Three trillion, nine hundred seventy-eight billion, two hundred thirteen million, four hundred fifty-seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 3.97821345792 × 10¹²

Factors of 3978213457920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 34
• Sum of prime factors: 42

Divisors of 3978213457920

• Number of divisors d(n): 496
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 19 20 24 26 30 32 38 39 40 48 52 57 60 64 65 76 78 80 95 96 104 114 120 128 130 152 156 160 190 192 195 208 228 240 247 256 260 285 304 312 320 380 384 390 416 456 480 494 512 520 570 608 624 640 741 760 768 780 832 912 960 988 1024 1040 1140 1216 1235 1248 1280 1482 1520 1536 1560 1664 1824 1920 1976 2048 2080 2280 2432 2470 2496 2560 2964 3040 3072 3120 3328 3648 3705 3840 3952 4096 4160 4560 4864 4940 4992 5120 5928 6080 6144 6240 6656 7296 7410 7680 7904 8192 8320 9120 9728 9880 9984 10240 11856 12160 12288 12480 13312 14592 14820 15360 15808 16384 16640 18240 19456 19760 19968 20480 23712 24320 24576 24960 26624 29184 29640 30720 31616 32768 33280 36480 38912 39520 39936 40960 47424 48640 49152 49920 53248 58368 59280 61440 63232 65536 66560 72960 77824 79040 79872 81920 94848 97280 98304 99840 106496 116736 118560 122880 126464 131072 133120 145920 155648 158080 159744 163840 189696 194560 196608 199680 212992 233472 237120 245760 252928 262144 266240 291840 311296 316160 319488 327680 379392 389120 393216 399360 425984 466944 474240 491520 505856 524288 532480 583680 622592 632320 638976 655360 758784 778240 786432 798720 851968 933888 948480 983040 1011712 1048576 1064960 1167360 1245184 1264640 1277952 1310720 1517568 1556480 1572864 1597440 1703936 1867776 1896960 1966080 2023424 2097152 2129920 2334720 2490368 2529280 2555904 2621440 3035136 3112960 3145728 3194880 3407872 3735552 3793920 3932160 4046848 4194304 4259840 4669440 4980736 5058560 5111808 5242880 6070272 6225920 6291456 6389760 6815744 7471104 7587840 7864320 8093696 8388608 8519680 9338880 9961472 10117120 10223616 10485760 12140544 12451840 12582912 12779520 13631488 14942208 15175680 15728640 16187392 16777216 17039360 18677760 19922944 20234240 20447232 20971520 24281088 24903680 25165824 25559040 27262976 29884416 30351360 31457280 32374784 33554432 34078720 37355520 39845888 40468480 40894464 41943040 48562176 49807360 50331648 51118080 54525952 59768832 60702720 62914560 64749568 67108864 68157440 74711040 79691776 80936960 81788928 83886080 97124352 99614720 100663296 102236160 109051904 119537664 121405440 125829120 129499136 134217728 136314880 149422080 159383552 161873920 163577856 167772160 194248704 199229440 201326592 204472320 218103808 239075328 242810880 251658240 258998272 268435456 272629760 298844160 318767104 323747840 327155712 335544320 388497408 398458880 402653184 408944640 436207616 478150656 485621760 503316480 517996544 536870912 545259520 597688320 637534208 647495680 654311424 671088640 776994816 796917760 805306368 817889280 872415232 956301312 971243520 1006632960 1035993088 1073741824 1090519040 1195376640 1275068416 1294991360 1308622848 1342177280 1553989632 1593835520 1610612736 1635778560 1744830464 1912602624 1942487040 2013265920 2071986176 2181038080 2390753280 2550136832 2589982720 2617245696 2684354560 3107979264 3187671040 3221225472 3271557120 3489660928 3825205248 3884974080 4026531840 4143972352 4362076160 4781506560 5100273664 5179965440 5234491392 5368709120 6215958528 6375342080 6543114240 6979321856 7650410496 7769948160 8053063680 8287944704 8724152320 9563013120 10200547328 10359930880 10468982784 12431917056 12750684160 13086228480 13958643712 15300820992 15539896320 16106127360 16575889408 17448304640 19126026240 20401094656 20719861760 20937965568 24863834112 25501368320 26172456960 30601641984 31079792640 33151778816 34896609280 38252052480 41439723520 41875931136 49727668224 51002736640 52344913920 61203283968 62159585280 66303557632 69793218560 76504104960 82879447040 99455336448 102005473280 104689827840 124319170560 132607115264 153008209920 165758894080 198910672896 209379655680 248638341120 265214230528 306016419840 331517788160 397821345792 497276682240 663035576320 795642691584 994553364480 1326071152640 1989106728960 3978213457920
• Sum of all divisors σ(n): 14431090107840
• Sum of proper divisors (its aliquot sum) s(n): 10452876649920
• 3978213457920 is an abundant number, because the sum of its proper divisors (10452876649920) is greater than itself. Its abundance is 6474663192000

Bases of 3978213457920

• Binary: 111001111001000000000000000000000000000000₂
• Hexadecimal: 0x39E40000000
• Base-36: 1ERKDKTMO

Squares and roots of 3978213457920

• 3978213457920 squared (3978213457920²) is 15826182316775803610726400
• 3978213457920 cubed (3978213457920³) is 62959931480093026507614693347033088000
• The square root of 3978213457920 is 1994545.9277539839
• The cube root of 3978213457920 is 15845.1380536153

Scales and comparisons

• 3,978,213,457,920 seconds is equal to 126,494 years, 45 weeks, 6 days, 5 hours, 52 minutes.
• To count from 1 to 3,978,213,457,920 would take you about three hundred sixteen thousand, two hundred thirty-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 3978213457920 cubic inches would be around 1320.4 feet tall.

Recreational maths with 3978213457920

• 3978213457920 backwards is 0297543128793
• 3978213457920 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 3978213457920's digits is 60
• More coming soon!