161984964861440

Names of 161984964861440

• Cardinal: 161984964861440 can be written as One hundred sixty-one trillion, nine hundred eighty-four billion, nine hundred sixty-four million, eight hundred sixty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.6198496486144 × 10¹⁴

Factors of 161984964861440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 2362137

Divisors of 161984964861440

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 43 56 64 70 80 86 89 112 128 140 160 172 178 215 224 256 280 301 320 344 356 430 445 448 512 560 602 623 640 688 712 860 890 896 1120 1204 1246 1280 1376 1424 1505 1720 1780 1792 2240 2408 2492 2560 2752 2848 3010 3115 3440 3560 3584 3827 4480 4816 4984 5504 5696 6020 6230 6880 7120 7654 8960 9632 9968 11008 11392 12040 12460 13760 14240 15308 17920 19135 19264 19936 22016 22784 24080 24920 26789 27520 28480 30616 38270 38528 39872 45568 48160 49840 53578 55040 56960 61232 76540 77056 79744 96320 99680 107156 110080 113920 122464 133945 153080 154112 159488 192640 199360 214312 227840 244928 267890 306160 318976 385280 398720 428624 489856 535780 612320 770560 797440 857248 979712 1071560 1224640 1594880 1714496 1959424 2143120 2361991 2449280 3428992 4286240 4723982 4898560 6857984 8572480 9447964 9797120 11809955 13715968 16533937 17144960 18895928 23619910 33067874 34289920 37791856 47239820 66135748 68579840 75583712 82669685 94479640 101565613 132271496 151167424 165339370 188959280 203131226 210217199 264542992 302334848 330678740 377918560 406262452 420434398 507828065 529085984 604669696 661357480 710959291 755837120 812524904 840868796 1015656130 1051085995 1058171968 1209339392 1322714960 1421918582 1471520393 1511674240 1625049808 1681737592 2031312260 2102171990 2116343936 2645429920 2843837164 2943040786 3023348480 3250099616 3363475184 3554796455 4062624520 4204343980 4232687872 5290859840 5687674328 5886081572 6046696960 6500199232 6726950368 7109592910 7357601965 8125249040 8408687960 8465375744 9039339557 10581719680 11375348656 11772163144 13000398464 13453900736 14219185820 14715203930 16250498080 16817375920 18078679114 21163439360 22750697312 23544326288 26000796928 26907801472 28438371640 29430407860 32500996160 33634751840 36157358228 42326878720 45196697785 45501394624 47088652576 52001593856 53815602944 56876743280 58860815720 63275376899 65001992320 67269503680 72314716456 90393395570 91002789248 94177305152 107631205888 113753486560 117721631440 126550753798 130003984640 134539007360 144629432912 180786791140 182005578496 188354610304 227506973120 235443262880 253101507596 260007969280 269078014720 289258865824 316376884495 361573582280 364011156992 376709220608 455013946240 470886525760 506203015192 538156029440 578517731648 632753768990 723147164560 753418441216 910027892480 941773051520 1012406030384 1157035463296 1265507537980 1446294329120 1820055784960 1883546103040 2024812060768 2314070926592 2531015075960 2892588658240 3767092206080 4049624121536 4628141853184 5062030151920 5785177316480 8099248243072 10124060303840 11570354632960 16198496486144 20248120607680 23140709265920 32396992972288 40496241215360 80992482430720 161984964861440
• Sum of all divisors σ(n): 459293690465280
• Sum of proper divisors (its aliquot sum) s(n): 297308725603840
• 161984964861440 is an abundant number, because the sum of its proper divisors (297308725603840) is greater than itself. Its abundance is 135323760742400

Bases of 161984964861440

• Binary: 100100110101001100010000010010100001111000000000₂
• Hexadecimal: 0x9353104A1E00
• Base-36: 1LF2V5R0U8

Squares and roots of 161984964861440

• 161984964861440 squared (161984964861440²) is 26239128841161951518398873600
• 161984964861440 cubed (161984964861440³) is 4250344363330415583808138393746076073984000
• The square root of 161984964861440 is 12727331.4116290693
• The cube root of 161984964861440 is 54511.9312723011

Scales and comparisons

• 161,984,964,861,440 seconds is equal to 5,150,620 years, 43 weeks, 1 day, 4 hours, 37 minutes, 20 seconds.
• To count from 1 to 161,984,964,861,440 would take you about twelve million, eight hundred seventy-six thousand, five hundred fifty-two 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 161984964861440 cubic inches would be around 4542.7 feet tall.

Recreational maths with 161984964861440

• 161984964861440 backwards is 044168469489161
• The number of decimal digits it has is: 15
• The sum of 161984964861440's digits is 71
• More coming soon!