64129336920

Names of 64129336920

• Cardinal: 64129336920 can be written as Sixty-four billion, one hundred twenty-nine million, three hundred thirty-six thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.412933692 × 10¹⁰

Factors of 64129336920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 44

Divisors of 64129336920

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 18 20 22 23 24 30 33 36 40 44 45 46 55 60 66 69 72 88 90 92 99 110 115 120 121 132 138 165 180 184 198 207 220 230 242 253 264 276 330 345 360 363 396 414 440 460 484 495 506 529 552 605 660 690 726 759 792 828 920 968 990 1012 1035 1058 1089 1210 1265 1320 1331 1380 1452 1518 1587 1656 1815 1980 2024 2070 2116 2178 2277 2420 2530 2645 2662 2760 2783 2904 3036 3174 3630 3795 3960 3993 4140 4232 4356 4554 4761 4840 5060 5290 5324 5445 5566 5819 6072 6348 6655 7260 7590 7935 7986 8280 8349 8712 9108 9522 10120 10580 10648 10890 11132 11385 11638 11979 12167 12696 13310 13915 14520 14641 15180 15870 15972 16698 17457 18216 19044 19965 21160 21780 22264 22770 23276 23805 23958 24334 25047 26620 27830 29095 29282 30360 30613 31740 31944 33396 34914 36501 38088 39930 41745 43560 43923 45540 46552 47610 47916 48668 50094 52371 53240 55660 58190 58564 59895 60835 61226 63480 64009 66792 69828 73002 73205 79860 83490 87285 87846 91080 91839 95220 95832 97336 100188 104742 109503 111320 116380 117128 119790 121670 122452 125235 128018 131769 133837 139656 146004 146410 153065 159720 166980 174570 175692 182505 183678 190440 192027 200376 209484 219006 219615 232760 239580 243340 244904 250470 256036 261855 263538 267674 275517 292008 292820 306130 320045 333960 336743 349140 351384 365010 367356 384054 401511 418968 438012 439230 459195 479160 486680 500940 512072 523710 527076 535348 547515 551034 576081 585640 612260 640090 658845 669185 673486 698280 704099 730020 734712 768108 803022 876024 878460 918390 960135 1001880 1010229 1047420 1054152 1070696 1095030 1102068 1152162 1204533 1224520 1280180 1317690 1338370 1346972 1377585 1408198 1460040 1472207 1536216 1606044 1683715 1756920 1836780 1920270 2007555 2020458 2094840 2112297 2190060 2204136 2304324 2409066 2560360 2635380 2676740 2693944 2755170 2816396 2880405 2944414 3030687 3212088 3367430 3520495 3673560 3840540 4015110 4040916 4224594 4380120 4416621 4608648 4818132 5051145 5270760 5353480 5510340 5632792 5760810 5888828 6022665 6061374 6336891 6734860 7040990 7361035 7681080 7745089 8030220 8081832 8449188 8833242 9636264 10102290 10561485 11020680 11521620 11777656 12045330 12122748 12673782 13249863 13469720 14081980 14722070 15153435 15490178 16060440 16194277 16898376 17666484 20204580 21122970 22083105 23043240 23235267 24090660 24245496 25347564 26499726 28163960 29444140 30306870 30980356 31684455 32388554 35332968 38725445 40409160 42245940 44166210 46470534 48181320 48582831 50695128 52999452 58888280 60613740 61960712 63368910 64777108 66249315 69705801 77450890 80971385 84491880 88332420 92941068 97165662 105998904 116176335 121227480 126737820 129554216 132498630 139411602 145748493 154901780 161942770 176664840 178137047 185882136 194331324 232352670 242914155 253475640 264997260 278823204 291496986 309803560 323885540 348529005 356274094 388662648 464705340 485828310 529994520 534411141 557646408 582993972 647771080 697058010 712548188 728742465 890685235 929410680 971656620 1068822282 1165987944 1394116020 1425096376 1457484930 1603233423 1781370470 1943313240 2137644564 2672055705 2788232040 2914969860 3206466846 3562740940 4275289128 5344111410 5829939720 6412933692 7125481880 8016167115 10688222820 12825867384 16032334230 21376445640 32064668460 64129336920
• Sum of all divisors σ(n): 239681052000
• Sum of proper divisors (its aliquot sum) s(n): 175551715080
• 64129336920 is an abundant number, because the sum of its proper divisors (175551715080) is greater than itself. Its abundance is 111422378160

Bases of 64129336920

• Binary: 111011101110011010000000011001011000₂
• Hexadecimal: 0xEEE680658
• Base-36: TGKY920

Squares and roots of 64129336920

• 64129336920 squared (64129336920²) is 4112571853798875086400
• 64129336920 cubed (64129336920³) is 263736506019977042332739709888000
• The square root of 64129336920 is 253237.7083295457
• The cube root of 64129336920 is 4002.6927060935

Scales and comparisons

• 64,129,336,920 seconds is equal to 2,039 years, 5 weeks, 6 days, 16 hours, 42 minutes.
• To count from 1 to 64,129,336,920 would take you about four thousand and seventy-eight 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 64129336920 cubic inches would be around 333.6 feet tall.

Recreational maths with 64129336920

• 64129336920 backwards is 02963392146
• 64129336920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 64129336920's digits is 45
• More coming soon!