64964316474710989920

Names of 64964316474710989920

• Cardinal: 64964316474710989920 can be written as Sixty-four quintillion, nine hundred sixty-four quadrillion, three hundred sixteen trillion, four hundred seventy-four billion, seven hundred ten million, nine hundred eighty-nine thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.496431647471098992 × 10¹⁹

Factors of 64964316474710989920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 399239899672634

Divisors of 64964316474710989920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 72 80 90 96 113 120 144 160 180 226 240 288 339 360 452 480 565 678 720 904 1017 1130 1356 1440 1695 1808 2034 2260 2712 3390 3616 4068 4520 5085 5424 6780 8136 9040 10170 10848 13560 16272 18080 20340 27120 32544 40680 54240 81360 162720 399239899672511 798479799345022 1197719699017533 1596959598690044 1996199498362555 2395439398035066 3193919197380088 3593159097052599 3992398996725110 4790878796070132 5988598495087665 6387838394760176 7186318194105198 7984797993450220 9581757592140264 11977196990175330 12775676789520352 14372636388210396 15969595986900440 17965795485262995 19163515184280528 23954393980350660 28745272776420792 31939191973800880 35931590970525990 38327030368561056 45114108662993743 47908787960701320 57490545552841584 63878383947601760 71863181941051980 90228217325987486 95817575921402640 114981091105683168 135342325988981229 143726363882103960 180456434651974972 191635151842805280 225570543314968715 270684651977962458 287452727764207920 360912869303949944 406026977966943687 451141086629937430 541369303955924916 574905455528415840 676711629944906145 721825738607899888 812053955933887374 902282173259874860 1082738607911849832 1353423259889812290 1443651477215799776 1624107911867774748 1804564346519749720 2030134889834718435 2165477215823699664 2706846519779624580 3248215823735549496 3609128693039499440 4060269779669436870 4330954431647399328 5413693039559249160 6496431647471098992 7218257386078998880 8120539559338873740 10827386079118498320 12992863294942197984 16241079118677747480 21654772158236996640 32482158237355494960 64964316474710989920
• Sum of all divisors σ(n): 223652594836942532352
• Sum of proper divisors (its aliquot sum) s(n): 158688278362231542432
• 64964316474710989920 is an abundant number, because the sum of its proper divisors (158688278362231542432) is greater than itself. Its abundance is 93723961887520552512

Bases of 64964316474710989920

• Binary: 111000010110001111100111011010001101010111001101001001110001100000₂
• Hexadecimal: 0x3858F9DA357349C60
• Base-36: DPKGO88N5IL40

Squares and roots of 64964316474710989920

• 64964316474710989920 squared (64964316474710989920²) is 4220362415026405741021913390826341606400
• 64964316474710989920 cubed (64964316474710989920³) is 274172959567750990762308696706357615413793693186227007488000
• The square root of 64964316474710989920 is 8060044446.1994742725
• The cube root of 64964316474710989920 is 4019989.8615024247

Scales and comparisons

• 64,964,316,474,710,989,920 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 64,964,316,474,710,989,920 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 64964316474710989920 cubic inches would be around 334999.2 feet tall.

Recreational maths with 64964316474710989920

• 64964316474710989920 backwards is 02998901747461346946
• The number of decimal digits it has is: 20
• The sum of 64964316474710989920's digits is 99
• More coming soon!