29868017920

Names of 29868017920

• Cardinal: 29868017920 can be written as Twenty-nine billion, eight hundred sixty-eight million, seventeen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 2.986801792 × 10¹⁰

Factors of 29868017920

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2906

Divisors of 29868017920

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 128 130 160 208 256 260 320 416 520 640 832 907 1040 1280 1664 1814 1979 2080 3328 3628 3958 4160 4535 7256 7916 8320 9070 9895 11791 14512 15832 16640 18140 19790 23582 25727 29024 31664 36280 39580 47164 51454 58048 58955 63328 72560 79160 94328 102908 116096 117910 126656 128635 145120 158320 188656 205816 232192 235820 253312 257270 290240 316640 377312 411632 471640 506624 514540 580480 633280 754624 823264 943280 1029080 1160960 1266560 1509248 1646528 1794953 1886560 2058160 2533120 3018496 3293056 3589906 3773120 4116320 6586112 7179812 7546240 8232640 8974765 14359624 15092480 16465280 17949530 23334389 28719248 32930560 35899060 46668778 57438496 71798120 93337556 114876992 116671945 143596240 186675112 229753984 233343890 287192480 373350224 459507968 466687780 574384960 746700448 933375560 1148769920 1493400896 1866751120 2297539840 2986801792 3733502240 5973603584 7467004480 14934008960 29868017920
• Sum of all divisors σ(n): 77170484160
• Sum of proper divisors (its aliquot sum) s(n): 47302466240
• 29868017920 is an abundant number, because the sum of its proper divisors (47302466240) is greater than itself. Its abundance is 17434448320

Bases of 29868017920

• Binary: 11011110100010001011100100100000000₂
• Hexadecimal: 0x6F445C900
• Base-36: DPYNA4G

Squares and roots of 29868017920

• 29868017920 squared (29868017920²) is 892098494469441126400
• 29868017920 cubed (29868017920³) is 26645213819218288455700185088000
• The square root of 29868017920 is 172823.6613430001
• The cube root of 29868017920 is 3102.6691517285

Scales and comparisons

• 29,868,017,920 seconds is equal to 949 years, 36 weeks, 6 days, 15 hours, 38 minutes, 40 seconds.
• To count from 1 to 29,868,017,920 would take you about one thousand, eight hundred ninety-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 29868017920 cubic inches would be around 258.6 feet tall.

Recreational maths with 29868017920

• 29868017920 backwards is 02971086892
• 29868017920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 29868017920's digits is 52
• More coming soon!