66972221440

Names of 66972221440

• Cardinal: 66972221440 can be written as Sixty-six billion, nine hundred seventy-two million, two hundred twenty-one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.697222144 × 10¹⁰

Factors of 66972221440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 404

Divisors of 66972221440

• Number of divisors d(n): 272
• Complete list of divisors:
  1 2 4 5 8 10 16 19 20 31 32 38 40 62 64 76 80 95 124 128 152 155 160 190 248 256 304 310 320 347 380 496 512 589 608 620 640 694 760 992 1024 1178 1216 1240 1280 1388 1520 1735 1984 2048 2356 2432 2480 2560 2776 2945 3040 3470 3968 4096 4712 4864 4960 5120 5552 5890 6080 6593 6940 7936 8192 9424 9728 9920 10240 10757 11104 11780 12160 13186 13880 15872 16384 18848 19456 19840 20480 21514 22208 23560 24320 26372 27760 31744 32768 32965 37696 38912 39680 40960 43028 44416 47120 48640 52744 53785 55520 63488 65536 65930 75392 77824 79360 81920 86056 88832 94240 97280 105488 107570 111040 126976 131860 150784 155648 158720 163840 172112 177664 188480 194560 204383 210976 215140 222080 253952 263720 301568 311296 317440 327680 344224 355328 376960 389120 408766 421952 430280 444160 507904 527440 603136 622592 634880 688448 710656 753920 778240 817532 843904 860560 888320 1015808 1021915 1054880 1206272 1245184 1269760 1376896 1421312 1507840 1556480 1635064 1687808 1721120 1776640 2031616 2043830 2109760 2412544 2539520 2753792 2842624 3015680 3112960 3270128 3375616 3442240 3553280 4087660 4219520 4825088 5079040 5507584 5685248 6031360 6225920 6540256 6751232 6884480 7106560 8175320 8439040 9650176 10158080 11015168 11370496 12062720 13080512 13502464 13768960 14213120 16350640 16878080 19300352 22030336 22740992 24125440 26161024 27004928 27537920 28426240 32701280 33756160 38600704 44060672 48250880 52322048 54009856 55075840 56852480 65402560 67512320 88121344 96501760 104644096 108019712 110151680 113704960 130805120 135024640 176242688 193003520 209288192 216039424 220303360 261610240 270049280 352485376 418576384 432078848 440606720 523220480 540098560 704970752 837152768 881213440 1046440960 1080197120 1674305536 1762426880 2092881920 2160394240 3348611072 3524853760 4185763840 6697222144 8371527680 13394444288 16743055360 33486110720 66972221440
• Sum of all divisors σ(n): 175152798720
• Sum of proper divisors (its aliquot sum) s(n): 108180577280
• 66972221440 is an abundant number, because the sum of its proper divisors (108180577280) is greater than itself. Its abundance is 41208355840

Bases of 66972221440

• Binary: 111110010111110110110000000000000000₂
• Hexadecimal: 0xF97DB0000
• Base-36: URLJ4SG

Squares and roots of 66972221440

• 66972221440 squared (66972221440²) is 4485278444608395673600
• 66972221440 cubed (66972221440³) is 300389061212372249135477161984000
• The square root of 66972221440 is 258789.9175779459
• The cube root of 66972221440 is 4060.9867096315

Scales and comparisons

• 66,972,221,440 seconds is equal to 2,129 years, 26 weeks, 3 days, 10 hours, 50 minutes, 40 seconds.
• To count from 1 to 66,972,221,440 would take you about four thousand, two 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 66972221440 cubic inches would be around 338.4 feet tall.

Recreational maths with 66972221440

• 66972221440 backwards is 04412227966
• The number of decimal digits it has is: 11
• The sum of 66972221440's digits is 43
• More coming soon!