64369381440

Names of 64369381440

• Cardinal: 64369381440 can be written as Sixty-four billion, three hundred sixty-nine million, three hundred eighty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.436938144 × 10¹⁰

Factors of 64369381440

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1884

Divisors of 64369381440

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 32 35 39 40 42 48 52 56 60 64 65 70 78 80 84 91 96 104 105 112 120 130 140 156 160 168 182 192 195 208 210 224 240 260 273 280 312 320 336 364 390 416 420 448 455 480 520 546 560 577 624 672 728 780 832 840 910 960 1040 1092 1120 1154 1248 1277 1344 1365 1456 1560 1680 1731 1820 2080 2184 2240 2308 2496 2554 2730 2885 2912 3120 3360 3462 3640 3831 4039 4160 4368 4616 5108 5460 5770 5824 6240 6385 6720 6924 7280 7501 7662 8078 8655 8736 8939 9232 10216 10920 11540 12117 12480 12770 13848 14560 15002 15324 16156 16601 17310 17472 17878 18464 19155 20195 20432 21840 22503 23080 24234 25540 26817 27696 29120 30004 30648 32312 33202 34620 35756 36928 37505 38310 40390 40864 43680 44695 45006 46160 48468 49803 51080 52507 53634 55392 60008 60585 61296 64624 66404 69240 71512 75010 76620 80780 81728 83005 87360 89390 90012 92320 96936 99606 102160 105014 107268 110784 112515 116207 120016 121170 122592 129248 132808 134085 138480 143024 150020 153240 157521 161560 166010 178780 180024 184640 193872 199212 204320 210028 214536 225030 232414 240032 242340 245184 249015 258496 262535 265616 268170 276960 286048 300040 306480 315042 323120 332020 348621 357560 360048 387744 398424 408640 420056 429072 450060 464828 480064 484680 498030 525070 531232 536340 553920 572096 581035 600080 612960 630084 646240 664040 697242 715120 720096 736829 775488 787605 796848 840112 858144 900120 929656 969360 996060 1050140 1062464 1072680 1162070 1200160 1225920 1260168 1292480 1328080 1394484 1430240 1440192 1473658 1575210 1593696 1680224 1716288 1743105 1800240 1859312 1938720 1992120 2100280 2145360 2210487 2324140 2400320 2520336 2656160 2788968 2860480 2947316 3150420 3187392 3360448 3486210 3600480 3684145 3718624 3877440 3984240 4200560 4290720 4420974 4648280 5040672 5157803 5312320 5577936 5894632 6300840 6972420 7200960 7368290 7437248 7968480 8401120 8581440 8841948 9296560 9578777 10081344 10315606 11052435 11155872 11789264 12601680 13944840 14736580 15473409 15936960 16802240 17683896 18593120 19157554 20631212 22104870 22311744 23578528 25203360 25789015 27889680 28736331 29473160 30946818 35367792 37186240 38315108 41262424 44209740 47157056 47893885 50406720 51578030 55779360 57472662 58946320 61893636 67051439 70735584 76630216 77367045 82524848 88419480 95787770 103156060 111558720 114945324 117892640 123787272 134102878 141471168 143681655 153260432 154734090 165049696 176838960 191575540 201154317 206312120 229890648 235785280 247574544 268205756 287363310 306520864 309468180 330099392 335257195 353677920 383151080 402308634 412624240 459781296 495149088 536411512 574726620 613041728 618936360 670514390 707355840 766302160 804617268 825248480 919562592 990298176 1005771585 1072823024 1149453240 1237872720 1341028780 1532604320 1609234536 1650496960 1839125184 2011543170 2145646048 2298906480 2475745440 2682057560 3065208640 3218469072 4023086340 4291292096 4597812960 4951490880 5364115120 6436938144 8046172680 9195625920 10728230240 12873876288 16092345360 21456460480 32184690720 64369381440
• Sum of all divisors σ(n): 252168989184
• Sum of proper divisors (its aliquot sum) s(n): 187799607744
• 64369381440 is an abundant number, because the sum of its proper divisors (187799607744) is greater than itself. Its abundance is 123430226304

Bases of 64369381440

• Binary: 111011111100101101101101000001000000₂
• Hexadecimal: 0xEFCB6D040
• Base-36: TKJV8LC

Squares and roots of 64369381440

• 64369381440 squared (64369381440²) is 4143417266968216473600
• 64369381440 cubed (64369381440³) is 266709206522559438545650089984000
• The square root of 64369381440 is 253711.2166223637
• The cube root of 64369381440 is 4007.6806889813

Scales and comparisons

• 64,369,381,440 seconds is equal to 2,046 years, 38 weeks, 5 days, 23 hours, 44 minutes.
• To count from 1 to 64,369,381,440 would take you about four thousand and ninety-three 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 64369381440 cubic inches would be around 334 feet tall.

Recreational maths with 64369381440

• 64369381440 backwards is 04418396346
• 64369381440 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64369381440's digits is 48
• More coming soon!