64399343616

Names of 64399343616

• Cardinal: 64399343616 can be written as Sixty-four billion, three hundred ninety-nine million, three hundred forty-three thousand, six hundred sixteen.

Scientific notation

• Scientific notation: 6.4399343616 × 10¹⁰

Factors of 64399343616

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 26
• Sum of prime factors: 858

Divisors of 64399343616

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 128 144 192 256 288 384 512 576 768 853 1024 1152 1536 1706 2048 2304 2559 3072 3412 4096 4608 5118 6144 6824 7677 8192 9216 10236 12288 13648 15354 16384 18432 20472 24576 27296 30708 32768 36864 40944 49152 54592 61416 65536 73728 81888 98304 109184 122832 131072 147456 163776 196608 218368 245664 262144 294912 327552 393216 436736 491328 524288 589824 655104 786432 873472 982656 1048576 1179648 1310208 1572864 1746944 1965312 2097152 2359296 2620416 3145728 3493888 3930624 4194304 4718592 5240832 6291456 6987776 7861248 8388608 9437184 10481664 12582912 13975552 15722496 18874368 20963328 25165824 27951104 31444992 37748736 41926656 55902208 62889984 75497472 83853312 111804416 125779968 167706624 223608832 251559936 335413248 447217664 503119872 670826496 894435328 1006239744 1341652992 1788870656 2012479488 2683305984 3577741312 4024958976 5366611968 7155482624 8049917952 10733223936 16099835904 21466447872 32199671808 64399343616
• Sum of all divisors σ(n): 186260640930
• Sum of proper divisors (its aliquot sum) s(n): 121861297314
• 64399343616 is an abundant number, because the sum of its proper divisors (121861297314) is greater than itself. Its abundance is 57461953698

Bases of 64399343616

• Binary: 111011111110100000000000000000000000₂
• Hexadecimal: 0xEFE800000
• Base-36: TL1PFK0

Squares and roots of 64399343616

• 64399343616 squared (64399343616²) is 4147275458171639955456
• 64399343616 cubed (64399343616³) is 267081817300999276597645877968896
• The square root of 64399343616 is 253770.2575480429
• The cube root of 64399343616 is 4008.3024142233

Scales and comparisons

• 64,399,343,616 seconds is equal to 2,047 years, 36 weeks, 2 days, 18 hours, 33 minutes, 36 seconds.
• To count from 1 to 64,399,343,616 would take you about four thousand and ninety-five 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 64399343616 cubic inches would be around 334 feet tall.

Recreational maths with 64399343616

• 64399343616 backwards is 61634399346
• The number of decimal digits it has is: 11
• The sum of 64399343616's digits is 54
• More coming soon!