81470976000

Names of 81470976000

• Cardinal: 81470976000 can be written as Eighty-one billion, four hundred seventy million, nine hundred seventy-six thousand.

Scientific notation

• Scientific notation: 8.1470976 × 10¹⁰

Factors of 81470976000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 129

Divisors of 81470976000

• Number of divisors d(n): 832
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 29 30 31 32 40 48 50 58 59 60 62 64 75 80 87 93 96 100 116 118 120 124 125 128 145 150 155 160 174 177 186 192 200 232 236 240 248 250 256 290 295 300 310 320 348 354 372 375 384 400 435 464 465 472 480 496 500 512 580 590 600 620 640 696 708 725 744 750 768 775 800 870 885 899 928 930 944 960 992 1000 1024 1160 1180 1200 1240 1280 1392 1416 1450 1475 1488 1500 1536 1550 1600 1711 1740 1770 1798 1829 1856 1860 1888 1920 1984 2000 2048 2175 2320 2325 2360 2400 2480 2560 2697 2784 2832 2900 2950 2976 3000 3072 3100 3200 3422 3480 3540 3596 3625 3658 3712 3720 3776 3840 3875 3968 4000 4096 4350 4425 4495 4640 4650 4720 4800 4960 5120 5133 5394 5487 5568 5664 5800 5900 5952 6000 6144 6200 6400 6844 6960 7080 7192 7250 7316 7375 7424 7440 7552 7680 7750 7936 8000 8555 8700 8850 8990 9145 9280 9300 9440 9600 9920 10240 10266 10788 10875 10974 11136 11328 11600 11625 11800 11904 12000 12288 12400 12800 13485 13688 13920 14160 14384 14500 14632 14750 14848 14880 15104 15360 15500 15872 16000 17110 17400 17700 17980 18290 18560 18600 18880 19200 19840 20480 20532 21576 21750 21948 22125 22272 22475 22656 23200 23250 23600 23808 24000 24800 25600 25665 26970 27376 27435 27840 28320 28768 29000 29264 29500 29696 29760 30208 30720 31000 31744 32000 34220 34800 35400 35960 36580 37120 37200 37760 38400 39680 41064 42775 43152 43500 43896 44250 44544 44950 45312 45725 46400 46500 47200 47616 48000 49600 51200 51330 53041 53940 54752 54870 55680 56640 57536 58000 58528 59000 59392 59520 60416 61440 62000 63488 64000 67425 68440 69600 70800 71920 73160 74240 74400 75520 76800 79360 82128 85550 86304 87000 87792 88500 89088 89900 90624 91450 92800 93000 94400 95232 96000 99200 102400 102660 106082 107880 109504 109740 111360 112375 113280 115072 116000 117056 118000 118784 119040 120832 124000 126976 128000 128325 134850 136880 137175 139200 141600 143840 146320 148480 148800 151040 153600 158720 159123 164256 171100 172608 174000 175584 177000 178176 179800 181248 182900 185600 186000 188800 190464 192000 198400 205320 212164 213875 215760 219008 219480 222720 224750 226560 228625 230144 232000 234112 236000 238080 241664 248000 256000 256650 265205 269700 273760 274350 278400 283200 287680 292640 296960 297600 302080 307200 317440 318246 328512 337125 342200 345216 348000 351168 354000 356352 359600 362496 365800 371200 372000 377600 380928 384000 396800 410640 424328 427750 431520 438016 438960 445440 449500 453120 457250 460288 464000 468224 472000 476160 496000 512000 513300 530410 539400 547520 548700 556800 566400 575360 585280 593920 595200 604160 634880 636492 641625 657024 674250 684400 685875 690432 696000 702336 708000 719200 724992 731600 742400 744000 755200 768000 793600 795615 821280 848656 855500 863040 876032 877920 890880 899000 906240 914500 920576 928000 936448 944000 952320 992000 1026600 1060820 1078800 1095040 1097400 1113600 1132800 1150720 1170560 1190400 1208320 1272984 1283250 1314048 1326025 1348500 1368800 1371750 1380864 1392000 1404672 1416000 1438400 1463200 1484800 1488000 1510400 1536000 1587200 1591230 1642560 1697312 1711000 1726080 1752064 1755840 1781760 1798000 1812480 1829000 1841152 1856000 1872896 1888000 1904640 1984000 2053200 2121640 2157600 2190080 2194800 2227200 2265600 2301440 2341120 2380800 2545968 2566500 2628096 2652050 2697000 2737600 2743500 2761728 2784000 2809344 2832000 2876800 2926400 2969600 2976000 3020800 3174400 3182460 3285120 3394624 3422000 3452160 3504128 3511680 3596000 3624960 3658000 3682304 3712000 3745792 3776000 3968000 3978075 4106400 4243280 4315200 4380160 4389600 4454400 4531200 4602880 4682240 4761600 5091936 5133000 5256192 5304100 5394000 5475200 5487000 5523456 5568000 5618688 5664000 5753600 5852800 5952000 6041600 6364920 6570240 6630125 6789248 6844000 6904320 7008256 7023360 7192000 7316000 7424000 7491584 7552000 7936000 7956150 8212800 8486560 8630400 8760320 8779200 8908800 9062400 9205760 9364480 9523200 10183872 10266000 10512384 10608200 10788000 10950400 10974000 11046912 11136000 11237376 11328000 11507200 11705600 11904000 12729840 13140480 13260250 13578496 13688000 13808640 14046720 14384000 14632000 14848000 15104000 15872000 15912300 16425600 16973120 17260800 17520640 17558400 18124800 18411520 18728960 19890375 20367744 20532000 21024768 21216400 21576000 21900800 21948000 22272000 22474752 22656000 23014400 23411200 23808000 25459680 26280960 26520500 27156992 27376000 27617280 28093440 28768000 29264000 30208000 31824600 32851200 33946240 34521600 35041280 35116800 37457920 39780750 40735488 41064000 42432800 43152000 43801600 43896000 44544000 45312000 46028800 46822400 47616000 50919360 52561920 53041000 54313984 54752000 55234560 56186880 57536000 58528000 63649200 65702400 67892480 69043200 70233600 79561500 81470976 82128000 84865600 86304000 87603200 87792000 90624000 92057600 93644800 101838720 105123840 106082000 108627968 109504000 112373760 115072000 117056000 127298400 131404800 135784960 138086400 140467200 159123000 162941952 164256000 169731200 172608000 175206400 175584000 187289600 203677440 212164000 217255936 219008000 230144000 234112000 254596800 262809600 271569920 276172800 280934400 318246000 325883904 328512000 339462400 345216000 351168000 407354880 424328000 438016000 460288000 468224000 509193600 525619200 543139840 561868800 636492000 651767808 657024000 678924800 690432000 702336000 814709760 848656000 876032000 936448000 1018387200 1086279680 1272984000 1314048000 1357849600 1380864000 1404672000 1629419520 1697312000 2036774400 2545968000 2628096000 2715699200 2809344000 3258839040 3394624000 4073548800 5091936000 5431398400 6789248000 8147097600 10183872000 13578496000 16294195200 20367744000 27156992000 40735488000 81470976000
• Sum of all divisors σ(n): 294404198400
• Sum of proper divisors (its aliquot sum) s(n): 212933222400
• 81470976000 is an abundant number, because the sum of its proper divisors (212933222400) is greater than itself. Its abundance is 131462246400

Bases of 81470976000

• Binary: 1001011111000000011000111000000000000₂
• Hexadecimal: 0x12F80C7000
• Base-36: 11FDPREO

Squares and roots of 81470976000

• 81470976000 squared (81470976000²) is 6637519930392576000000
• 81470976000 cubed (81470976000³) is 540765226948535229874176000000000
• The square root of 81470976000 is 285431.2106270091
• The cube root of 81470976000 is 4335.1184965659

Scales and comparisons

• 81,470,976,000 seconds is equal to 2,590 years, 27 weeks, 2 days, 2 hours, 40 minutes.
• To count from 1 to 81,470,976,000 would take you about five thousand, one hundred eighty-one 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 81470976000 cubic inches would be around 361.3 feet tall.

Recreational maths with 81470976000

• 81470976000 backwards is 00067907418
• The number of decimal digits it has is: 11
• The sum of 81470976000's digits is 42
• More coming soon!