13257791904

Names of 13257791904

• Cardinal: 13257791904 can be written as Thirteen billion, two hundred fifty-seven million, seven hundred ninety-one thousand, nine hundred four.

Scientific notation

• Scientific notation: 1.3257791904 × 10¹⁰

Factors of 13257791904

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2899

Divisors of 13257791904

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 17 21 24 28 32 34 42 48 51 56 68 84 96 102 112 119 136 168 204 224 238 272 336 357 408 476 487 544 672 714 816 952 974 1428 1461 1632 1904 1948 2383 2856 2922 3409 3808 3896 4766 5712 5844 6818 7149 7792 8279 9532 10227 11424 11688 13636 14298 15584 16558 16681 19064 20454 23376 24837 27272 28596 33116 33362 38128 40511 40908 46752 49674 50043 54544 57192 57953 66232 66724 76256 81022 81816 99348 100086 109088 114384 115906 121533 132464 133448 162044 163632 173859 198696 200172 228768 231812 243066 264928 266896 283577 324088 327264 347718 397392 400344 463624 486132 533792 567154 648176 695436 794784 800688 850731 927248 972264 1134308 1160521 1296352 1390872 1601376 1701462 1854496 1944528 2268616 2321042 2781744 3402924 3481563 3889056 4537232 4642084 5563488 6805848 6963126 8123647 9074464 9284168 13611696 13926252 16247294 18568336 19728857 24370941 27223392 27852504 32494588 37136672 39457714 48741882 55705008 59186571 64989176 78915428 97483764 111410016 118373142 129978352 138101999 157830856 194967528 236746284 259956704 276203998 315661712 389935056 414305997 473492568 552407996 631323424 779870112 828611994 946985136 1104815992 1657223988 1893970272 2209631984 3314447976 4419263968 6628895952 13257791904
• Sum of all divisors σ(n): 42217168896
• Sum of proper divisors (its aliquot sum) s(n): 28959376992
• 13257791904 is an abundant number, because the sum of its proper divisors (28959376992) is greater than itself. Its abundance is 15701585088

Bases of 13257791904

• Binary: 1100010110001110011101100110100000₂
• Hexadecimal: 0x31639D9A0
• Base-36: 639CHPC

Squares and roots of 13257791904

• 13257791904 squared (13257791904²) is 175769046169767945216
• 13257791904 cubed (13257791904³) is 2330309437283351673643400331264
• The square root of 13257791904 is 115142.4852259147
• The cube root of 13257791904 is 2366.7755056031

Scales and comparisons

• 13,257,791,904 seconds is equal to 421 years, 28 weeks, 6 days, 15 hours, 58 minutes, 24 seconds.
• To count from 1 to 13,257,791,904 would take you about eight hundred forty-three 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 13257791904 cubic inches would be around 197.2 feet tall.

Recreational maths with 13257791904

• 13257791904 backwards is 40919775231
• 13257791904 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13257791904's digits is 48
• More coming soon!