161536136720

Names of 161536136720

• Cardinal: 161536136720 can be written as One hundred sixty-one billion, five hundred thirty-six million, one hundred thirty-six thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.6153613672 × 10¹¹

Factors of 161536136720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 67127

Divisors of 161536136720

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 31 35 40 56 62 70 80 112 124 139 140 155 217 248 278 280 310 434 496 556 560 620 695 868 973 1085 1112 1240 1390 1736 1946 2170 2224 2480 2780 3472 3892 4309 4340 4865 5560 7784 8618 8680 9730 11120 15568 17236 17360 19460 21545 30163 34472 38920 43090 60326 66943 68944 77840 86180 120652 133886 150815 172360 241304 267772 301630 334715 344720 468601 482608 535544 603260 669430 937202 1071088 1206520 1338860 1874404 2075233 2343005 2413040 2677720 3748808 4150466 4686010 5355440 7497616 8300932 9305077 9372020 10376165 14526631 16601864 18610154 18744040 20752330 29053262 33203728 37220308 37488080 41504660 46525385 58106524 65135539 72633155 74440616 83009320 93050770 116213048 130271078 145266310 148881232 166018640 186101540 232426096 260542156 288457387 290532620 325677695 372203080 521084312 576914774 581065240 651355390 744406160 1042168624 1153829548 1162130480 1302710780 1442286935 2019201709 2307659096 2605421560 2884573870 4038403418 4615318192 5210843120 5769147740 8076806836 10096008545 11538295480 16153613672 20192017090 23076590960 32307227344 40384034180 80768068360 161536136720
• Sum of all divisors σ(n): 446264770560
• Sum of proper divisors (its aliquot sum) s(n): 284728633840
• 161536136720 is an abundant number, because the sum of its proper divisors (284728633840) is greater than itself. Its abundance is 123192497120

Bases of 161536136720

• Binary: 10010110011100010011011101011000010000₂
• Hexadecimal: 0x259C4DD610
• Base-36: 227IG0SW

Squares and roots of 161536136720

• 161536136720 squared (161536136720²) is 26093923466422532358400
• 161536136720 cubed (161536136720³) is 4215111588633246516335126440448000
• The square root of 161536136720 is 401915.5840720785
• The cube root of 161536136720 is 5446.1537457605

Scales and comparisons

• 161,536,136,720 seconds is equal to 5,136 years, 18 weeks, 1 day, 5 hours, 5 minutes, 20 seconds.
• To count from 1 to 161,536,136,720 would take you about ten thousand, two hundred seventy-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 161536136720 cubic inches would be around 453.8 feet tall.

Recreational maths with 161536136720

• 161536136720 backwards is 027631635161
• The number of decimal digits it has is: 12
• The sum of 161536136720's digits is 41
• More coming soon!