161372842752

Names of 161372842752

• Cardinal: 161372842752 can be written as One hundred sixty-one billion, three hundred seventy-two million, eight hundred forty-two thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 1.61372842752 × 10¹¹

Factors of 161372842752

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 644

Divisors of 161372842752

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 32 33 44 48 59 64 66 88 96 118 128 132 176 177 192 236 256 264 352 354 384 472 528 569 649 704 708 768 944 1056 1138 1298 1408 1416 1707 1888 1947 2112 2276 2596 2816 2832 3414 3776 3894 4224 4552 5192 5664 6259 6828 7552 7788 8448 9104 10384 11328 12518 13656 15104 15576 18208 18777 20768 22656 25036 27312 31152 33571 36416 37554 41536 45312 50072 54624 62304 67142 72832 75108 83072 100144 100713 109248 124608 134284 145664 150216 166144 200288 201426 218496 249216 268568 300432 323761 369281 400576 402852 436992 498432 537136 600864 647522 738562 801152 805704 971283 1074272 1107843 1201728 1295044 1477124 1602304 1611408 1942566 2148544 2215686 2403456 2590088 2954248 3222816 3561371 3885132 4297088 4431372 4806912 5180176 5908496 6445632 7122742 7770264 8594176 8862744 10360352 10684113 11816992 12891264 14245484 15540528 17725488 19101899 20720704 21368226 23633984 25782528 28490968 31081056 35450976 38203798 41441408 42736452 47267968 56981936 57305697 62162112 70901952 76407596 82882816 85472904 94535936 113963872 114611394 124324224 141803904 152815192 170945808 210120889 227927744 229222788 248648448 283607808 305630384 341891616 420241778 455855488 458445576 611260768 630362667 683783232 840483556 911710976 916891152 1222521536 1260725334 1367566464 1680967112 1833782304 2445043072 2521450668 2735132928 3361934224 3667564608 4890086144 5042901336 6723868448 7335129216 10085802672 13447736896 14670258432 20171605344 26895473792 40343210688 53790947584 80686421376 161372842752
• Sum of all divisors σ(n): 477311446080
• Sum of proper divisors (its aliquot sum) s(n): 315938603328
• 161372842752 is an abundant number, because the sum of its proper divisors (315938603328) is greater than itself. Its abundance is 154565760576

Bases of 161372842752

• Binary: 10010110010010100100100010101100000000₂
• Hexadecimal: 0x2592922B00
• Base-36: 224T82DC

Squares and roots of 161372842752

• 161372842752 squared (161372842752²) is 26041194377861718933504
• 161372842752 cubed (161372842752³) is 4202341565412945639456762136363008
• The square root of 161372842752 is 401712.3880987491
• The cube root of 161372842752 is 5444.3179875021

Scales and comparisons

• 161,372,842,752 seconds is equal to 5,131 years, 8 weeks, 1 day, 5 hours, 39 minutes, 12 seconds.
• To count from 1 to 161,372,842,752 would take you about ten thousand, two hundred sixty-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 161372842752 cubic inches would be around 453.7 feet tall.

Recreational maths with 161372842752

• 161372842752 backwards is 257248273161
• 161372842752 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 161372842752's digits is 48
• More coming soon!