81429895577600

Names of 81429895577600

• Cardinal: 81429895577600 can be written as Eighty-one trillion, four hundred twenty-nine billion, eight hundred ninety-five million, five hundred seventy-seven thousand, six hundred.

Scientific notation

• Scientific notation: 8.14298955776 × 10¹³

Factors of 81429895577600

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 32
• Sum of prime factors: 6074

Divisors of 81429895577600

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 80 100 128 160 200 256 320 400 512 640 800 1024 1280 1600 2048 2560 3200 4096 5120 6067 6400 8192 10240 12134 12800 16384 20480 24268 25600 30335 32768 40960 48536 51200 60670 65536 81920 97072 102400 121340 131072 151675 163840 194144 204800 242680 262144 303350 327680 388288 409600 485360 524288 606700 655360 776576 819200 970720 1048576 1213400 1310720 1553152 1638400 1941440 2097152 2426800 2621440 3106304 3276800 3882880 4194304 4853600 5242880 6212608 6553600 7765760 8388608 9707200 10485760 12425216 13107200 15531520 16777216 19414400 20971520 24850432 26214400 31063040 33554432 38828800 41943040 49700864 52428800 62126080 67108864 77657600 83886080 99401728 104857600 124252160 134217728 155315200 167772160 198803456 209715200 248504320 268435456 310630400 335544320 397606912 419430400 497008640 536870912 621260800 671088640 795213824 838860800 994017280 1242521600 1342177280 1590427648 1677721600 1988034560 2485043200 2684354560 3180855296 3355443200 3976069120 4970086400 6361710592 6710886400 7952138240 9940172800 12723421184 13421772800 15904276480 19880345600 25446842368 31808552960 39760691200 50893684736 63617105920 79521382400 101787369472 127234211840 159042764800 203574738944 254468423680 318085529600 407149477888 508936847360 636171059200 814298955776 1017873694720 1272342118400 1628597911552 2035747389440 2544684236800 3257195823104 4071494778880 5089368473600 8142989557760 10178736947200 16285979115520 20357473894400 40714947788800 81429895577600
• Sum of all divisors σ(n): 201979426840884
• Sum of proper divisors (its aliquot sum) s(n): 120549531263284
• 81429895577600 is an abundant number, because the sum of its proper divisors (120549531263284) is greater than itself. Its abundance is 39119635685684

Bases of 81429895577600

• Binary: 10010100000111101100000000000000000000000000000₂
• Hexadecimal: 0x4A0F60000000
• Base-36: SV4DLDAM8

Squares and roots of 81429895577600

• 81429895577600 squared (81429895577600²) is 6630827893778840037621760000
• 81429895577600 cubed (81429895577600³) is 539947622983448288931993972245528576000000
• The square root of 81429895577600 is 9023851.4824657881
• The cube root of 81429895577600 is 43343.8973626027

Scales and comparisons

• 81,429,895,577,600 seconds is equal to 2,589,218 years, 41 weeks, 4 days, 6 hours, 13 minutes, 20 seconds.
• To count from 1 to 81,429,895,577,600 would take you about six million, four hundred seventy-three thousand and forty-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 81429895577600 cubic inches would be around 3612 feet tall.

Recreational maths with 81429895577600

• 81429895577600 backwards is 00677559892418
• The number of decimal digits it has is: 14
• The sum of 81429895577600's digits is 71
• More coming soon!