1621404802816

Names of 1621404802816

• Cardinal: 1621404802816 can be written as One trillion, six hundred twenty-one billion, four hundred four million, eight hundred two thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 1.621404802816 × 10¹²

Factors of 1621404802816

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1005

Divisors of 1621404802816

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 8 16 23 31 32 46 47 62 64 92 94 124 128 184 188 248 256 331 368 376 496 571 662 713 736 752 992 1081 1142 1324 1426 1457 1472 1504 1984 2162 2284 2648 2852 2914 2944 3008 3968 4324 4568 5296 5704 5828 5888 6016 7613 7936 8648 9136 10261 10592 11408 11656 12032 13133 15226 15557 17296 17701 18272 20522 21184 22816 23312 26266 26837 30452 31114 33511 34592 35402 36544 41044 42368 45632 46624 52532 53674 60904 62228 67022 69184 70804 73088 82088 84736 91264 93248 105064 107348 121808 124456 134044 138368 141608 146176 164176 182528 186496 189001 210128 214696 236003 243616 248912 268088 276736 283216 328352 357811 372992 378002 407123 420256 429392 472006 482267 487232 497824 536176 566432 617251 656704 715622 756004 814246 831947 840512 858784 944012 964534 974464 995648 1072352 1132864 1234502 1313408 1431244 1512008 1628492 1663894 1681024 1717568 1888024 1929068 1948928 1991296 2144704 2265728 2469004 2626816 2862488 3024016 3256984 3327788 3362048 3435136 3776048 3858136 3982592 4289408 4347023 4531456 4938008 5724976 5859031 6048032 6513968 6655576 6870272 7552096 7716272 8578816 8694046 8883047 9876016 11092141 11449952 11718062 12096064 13027936 13311152 15104192 15432544 17388092 17766094 19134781 19752032 22184282 22899904 23436124 24192128 26055872 26622304 30208384 30865088 34776184 35532188 38269562 39504064 44368564 45799808 46872248 48384256 52111744 53244608 60416768 61730176 69552368 71064376 76539124 79008128 88737128 91599616 93744496 104223488 106489216 123460352 134757713 139104736 142128752 153078248 158016256 177474256 187488992 204310081 212978432 269515426 275374457 278209472 284257504 306156496 354948512 374977984 408620162 539030852 550748914 556418944 568515008 612312992 709897024 749955968 817240324 1078061704 1101497828 1112837888 1137030016 1224625984 1419794048 1499911936 1634480648 2156123408 2202995656 2274060032 2449251968 2839588096 3268961296 4312246816 4405991312 4898503936 6333612511 6537922592 8624493632 8811982624 12667225022 13075845184 17248987264 17623965248 25334450044 26151690368 34497974528 35247930496 50668900088 52303380736 70495860992 101337800176 202675600352 405351200704 810702401408 1621404802816
• Sum of all divisors σ(n): 3577317359616
• Sum of proper divisors (its aliquot sum) s(n): 1955912556800
• 1621404802816 is an abundant number, because the sum of its proper divisors (1955912556800) is greater than itself. Its abundance is 334507753984

Bases of 1621404802816

• Binary: 10111100110000011010000011101111100000000₂
• Hexadecimal: 0x1798341DF00
• Base-36: KOV2K0SG

Squares and roots of 1621404802816

• 1621404802816 squared (1621404802816²) is 2628953534594791841529856
• 1621404802816 cubed (1621404802816³) is 4262597887372094700276281687456874496
• The square root of 1621404802816 is 1273343.9452151175
• The cube root of 1621404802816 is 11747.9967680531

Scales and comparisons

• 1,621,404,802,816 seconds is equal to 51,555 years, 34 weeks, 1 day, 7 hours, 16 seconds.
• To count from 1 to 1,621,404,802,816 would take you about one hundred twenty-eight thousand, eight hundred eighty-nine 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 1621404802816 cubic inches would be around 979 feet tall.

Recreational maths with 1621404802816

• 1621404802816 backwards is 6182084041261
• The number of decimal digits it has is: 13
• The sum of 1621404802816's digits is 43
• More coming soon!