172342639872

Names of 172342639872

• Cardinal: 172342639872 can be written as One hundred seventy-two billion, three hundred forty-two million, six hundred thirty-nine thousand, eight hundred seventy-two.

Scientific notation

• Scientific notation: 1.72342639872 × 10¹¹

Factors of 172342639872

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 639347

Divisors of 172342639872

• Number of divisors d(n): 180
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 32 36 39 48 52 54 64 72 78 81 96 104 108 117 128 144 156 162 192 208 216 234 256 288 312 324 351 384 416 432 468 576 624 648 702 768 832 864 936 1053 1152 1248 1296 1404 1664 1728 1872 2106 2304 2496 2592 2808 3328 3456 3744 4212 4992 5184 5616 6912 7488 8424 9984 10368 11232 14976 16848 20736 22464 29952 33696 44928 67392 89856 134784 269568 639329 1278658 1917987 2557316 3835974 5114632 5753961 7671948 8311277 10229264 11507922 15343896 16622554 17261883 20458528 23015844 24933831 30687792 33245108 34523766 40917056 46031688 49867662 51785649 61375584 66490216 69047532 74801493 81834112 92063376 99735324 103571298 122751168 132980432 138095064 149602986 163668224 184126752 199470648 207142596 224404479 245502336 265960864 276190128 299205972 368253504 398941296 414285192 448808958 491004672 531921728 552380256 598411944 673213437 736507008 797882592 828570384 897617916 1063843456 1104760512 1196823888 1346426874 1473014016 1595765184 1657140768 1795235832 2127686912 2209521024 2393647776 2692853748 3191530368 3314281536 3590471664 4419042048 4787295552 5385707496 6383060736 6628563072 7180943328 9574591104 10771414992 13257126144 14361886656 19149182208 21542829984 28723773312 43085659968 57447546624 86171319936 172342639872
• Sum of all divisors σ(n): 553425785220
• Sum of proper divisors (its aliquot sum) s(n): 381083145348
• 172342639872 is an abundant number, because the sum of its proper divisors (381083145348) is greater than itself. Its abundance is 208740505476

Bases of 172342639872

• Binary: 10100000100000011010111111110100000000₂
• Hexadecimal: 0x28206BFD00
• Base-36: 2768CW00

Squares and roots of 172342639872

• 172342639872 squared (172342639872²) is 29701985518049884176384
• 172342639872 cubed (172342639872³) is 5118918593620630544341859039182848
• The square root of 172342639872 is 415141.7105904923
• The cube root of 172342639872 is 5564.9881898311

Scales and comparisons

• 172,342,639,872 seconds is equal to 5,479 years, 50 weeks, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 172,342,639,872 would take you about ten thousand, nine hundred fifty-nine 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 172342639872 cubic inches would be around 463.7 feet tall.

Recreational maths with 172342639872

• 172342639872 backwards is 278936243271
• 172342639872 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 172342639872's digits is 54
• More coming soon!