640739442688000

Names of 640739442688000

• Cardinal: 640739442688000 can be written as Six hundred forty trillion, seven hundred thirty-nine billion, four hundred forty-two million, six hundred eighty-eight thousand.

Scientific notation

• Scientific notation: 6.40739442688 × 10¹⁴

Factors of 640739442688000

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 27
• Sum of prime factors: 265

Divisors of 640739442688000

• Number of divisors d(n): 528
• Complete list of divisors:
  1 2 4 5 8 10 16 20 25 32 40 50 64 67 80 100 125 128 134 160 191 200 250 256 268 320 335 382 400 500 512 536 640 670 764 800 955 1000 1024 1072 1280 1340 1528 1600 1675 1910 2000 2048 2144 2560 2680 3056 3200 3350 3820 4000 4096 4288 4775 5120 5360 6112 6400 6700 7640 8000 8192 8375 8576 9550 10240 10720 12224 12797 12800 13400 15280 16000 16384 16750 17152 19100 20480 21440 23875 24448 25594 25600 26800 30560 32000 32768 33500 34304 36481 38200 40960 42880 47750 48896 51188 51200 53600 61120 63985 64000 65536 67000 68608 72962 76400 81920 85760 95500 97792 102376 102400 107200 122240 127970 128000 131072 134000 137216 145924 152800 163840 171520 182405 191000 195584 204752 204800 214400 244480 255940 256000 262144 268000 274432 291848 305600 319925 327680 343040 364810 382000 391168 409504 409600 428800 488960 511880 512000 524288 536000 548864 583696 611200 639850 655360 686080 729620 764000 782336 819008 819200 857600 912025 977920 1023760 1024000 1048576 1072000 1097728 1167392 1222400 1279700 1310720 1372160 1459240 1528000 1564672 1599625 1638016 1638400 1715200 1824050 1955840 2047520 2048000 2097152 2144000 2195456 2334784 2444227 2444800 2559400 2621440 2744320 2918480 3056000 3129344 3199250 3276032 3276800 3430400 3648100 3911680 4095040 4096000 4288000 4390912 4560125 4669568 4888454 4889600 5118800 5242880 5488640 5836960 6112000 6258688 6398500 6552064 6553600 6860800 7296200 7823360 8190080 8192000 8576000 8781824 9120250 9339136 9776908 9779200 10237600 10485760 10977280 11673920 12221135 12224000 12517376 12797000 13104128 13107200 13721600 14592400 15646720 16380160 16384000 17152000 17563648 18240500 18678272 19553816 19558400 20475200 21954560 23347840 24442270 24448000 25034752 25594000 26208256 26214400 27443200 29184800 31293440 32760320 32768000 34304000 35127296 36481000 37356544 39107632 39116800 40950400 43909120 46695680 48884540 48896000 50069504 51188000 52416512 52428800 54886400 58369600 61105675 62586880 65520640 65536000 68608000 70254592 72962000 74713088 78215264 78233600 81900800 87818240 93391360 97769080 97792000 100139008 102376000 104833024 109772800 116739200 122211350 125173760 131041280 131072000 137216000 140509184 145924000 149426176 156430528 156467200 163801600 175636480 186782720 195538160 195584000 200278016 204752000 209666048 219545600 233478400 244422700 250347520 262082560 262144000 274432000 291848000 298852352 305528375 312861056 312934400 327603200 351272960 373565440 391076320 391168000 400556032 409504000 419332096 439091200 466956800 488845400 500695040 524165120 548864000 583696000 597704704 611056750 625722112 625868800 655206400 702545920 747130880 782152640 782336000 819008000 838664192 878182400 933913600 977690800 1001390080 1048330240 1097728000 1167392000 1195409408 1222113500 1251444224 1251737600 1310412800 1494261760 1564305280 1564672000 1638016000 1677328384 1756364800 1867827200 1955381600 2002780160 2096660480 2195456000 2334784000 2390818816 2444227000 2502888448 2503475200 2620825600 2988523520 3128610560 3129344000 3276032000 3354656768 3512729600 3735654400 3910763200 4193320960 4390912000 4669568000 4781637632 4888454000 5005776896 5006950400 5241651200 5977047040 6257221120 6258688000 6552064000 6709313536 7471308800 7821526400 8386641920 8781824000 9339136000 9563275264 9776908000 10011553792 10013900800 10483302400 11954094080 12514442240 12517376000 13104128000 13418627072 14942617600 15643052800 16773283840 17563648000 18678272000 19126550528 19553816000 20023107584 20966604800 23908188160 25028884480 25034752000 26208256000 26837254144 29885235200 31286105600 33546567680 37356544000 38253101056 39107632000 40046215168 41933209600 47816376320 50057768960 50069504000 52416512000 59770470400 62572211200 67093135360 74713088000 76506202112 78215264000 80092430336 83866419200 95632752640 100115537920 104833024000 119540940800 125144422400 134186270720 149426176000 156430528000 160184860672 167732838400 191265505280 200231075840 209666048000 239081881600 250288844800 298852352000 312861056000 320369721344 335465676800 382531010560 400462151680 419332096000 478163763200 500577689600 597704704000 625722112000 640739442688 670931353600 800924303360 838664192000 956327526400 1001155379200 1195409408000 1251444224000 1281478885376 1601848606720 1677328384000 1912655052800 2002310758400 2390818816000 2502888448000 2562957770752 3203697213440 3354656768000 4004621516800 4781637632000 5005776896000 5125915541504 6407394426880 8009243033600 9563275264000 10011553792000 12814788853760 16018486067200 20023107584000 25629577707520 32036972134400 40046215168000 64073944268800 80092430336000 128147888537600 160184860672000 320369721344000 640739442688000
• Sum of all divisors σ(n): 1631697884932752
• Sum of proper divisors (its aliquot sum) s(n): 990958442244752
• 640739442688000 is an abundant number, because the sum of its proper divisors (990958442244752) is greater than itself. Its abundance is 350218999556752

Bases of 640739442688000

• Binary: 10010001101011111111000110111000000000000000000000₂
• Hexadecimal: 0x246BFC6E00000
• Base-36: 6B4FMWRVGG

Squares and roots of 640739442688000

• 640739442688000 squared (640739442688000²) is 410547033416128836665344000000
• 640739442688000 cubed (640739442688000³) is 263053677388262103595358294923804672000000000
• The square root of 640739442688000 is 25312831.5817887113
• The cube root of 640739442688000 is 86210.5640144897

Scales and comparisons

• 640,739,442,688,000 seconds is equal to 20,373,532 years, 17 weeks, 4 days, 20 hours, 26 minutes, 40 seconds.
• To count from 1 to 640,739,442,688,000 would take you about fifty million, nine hundred thirty-three thousand, eight hundred thirty 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 640739442688000 cubic inches would be around 7184.2 feet tall.

Recreational maths with 640739442688000

• 640739442688000 backwards is 000886244937046
• The number of decimal digits it has is: 15
• The sum of 640739442688000's digits is 61
• More coming soon!